STRYKER CORPORATION and HOWMEDICA OSTEONICS CORPORATION v. Xl Insurance America , fka Winterthur International America Insurance Company

RECOMMENDED FOR FULL-TEXT PUBLICATION
Pursuant to Sixth Circuit Rule 206
File Name: 12a0206a.06
UNITED STATES COURT OF APPEALS
FOR THE SIXTH CIRCUIT
_________________
STRYKER CORPORATION and HOWMEDICA
OSTEONICS CORPORATION ,
Plaintiffs-Appellees/Cross-Appellants,
STRYKER SALES CORPORATION ,
Plaintiff,
v.
XL I NSURANCE AMERICA , fka Winterthur
International America Insurance Company,
Defendant-Appellant, Cross-Appellee,
NATIONAL UNION FIRE I NSURANCE CO . OF
PITTSBURGH , PENNSYLVANIA ,
Defendant.
X---->
,-----------
N
Nos. 09-2332; 10-2383
Appeals from the United States District Court for the
Western District of Michigan at Kalamazoo.
No. 4:01-cv-157—Robert Holmes Bell, District Judge.
Argued: April 10, 2012
Decided and Filed: July 5, 2012
Before: GUY, COLE and ROGERS, Circuit Judges.
_________________
COUNSEL
ARGUED: Jonathan D. Hacker, O’MELVENY & MYERS LLP, Washington, D.C., for
Appellant/Cross-Appellee. David J. Gass, MILLER JOHNSON, Grand Rapids,
Michigan, for Appellee/Cross-Appellant. ON BRIEF: Jonathan D. Hacker,
O’MELVENY & MYERS LLP, Washington, D.C., Paul R. Koepff, CLYDE & CO.,
New York, New York, Michael W. Betz, David J. Bloss, BLOSS BETZ, Grand Rapids,
Michigan, for Appellant/Cross-Appellee. David J. Gass, D. Andrew Portinga, J. Michael
Smith, MILLER JOHNSON, Grand Rapids, Michigan, for Appellee/Cross-Appellant.
Michael F. Smith, THE SMITH APPELLATE LAW FIRM, Washington, D.C., for
Amicus Curiae.
1

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____________________
AMENDED OPINION
____________________
COLE, Circuit Judge. Stryker Corporation (“Stryker”), a manufacturer of
medical devices, brought an insurance coverage action against its umbrella insurer XL
Insurance America, Inc. (“XL”), seeking coverage for claims stemming from the
implantation of expired artificial knees. The district court held that XL was liable under
the policy for the entirety of Stryker’s losses on both direct claims brought against
Stryker, as well as claims brought against Pfizer that Stryker was obligated to reimburse.
On appeal, XL challenges the district court’s ruling that the XL policy covers the claims
at issue, the ruling that XL was liable for the full amount of Stryker’s losses, and the
ruling that the entire amount owed to Stryker was subject to pre-judgment interest.
Stryker also cross-appeals the award of interest, arguing that it should run through the
entry of the amended judgment, as opposed to terminating upon the entry of the first
final judgment. For the reasons set out below, we AFFIRM the district court’s judgment
with regard to XL’s liability for Stryker’s claims and the interest calculations,
REVERSE the district court’s judgment with regard to all remaining issues, and
REMAND to the district court for further proceedings consistent with this opinion.
I. BACKGROUND
A. The Claims
In 1997 and 1998, Howmedica, Inc., an Irish company which was a wholly-
owned subsidiary of Pfizer, Inc. (“Pfizer”), manufactured and distributed an artificial
knee joint known as Duracon Unicompartmental Knees (“Uni-Knees”). Stryker Corp.
v. XL Ins. America, Inc., No. 4:01-cv-157, 2007 WL 1031641, at *1 (W.D. Mich. April
3, 2007) (“Stryker I Coverage Opinion”). Key components of the Uni-Knees were made
of ultra-high-molecular-weight-polyethylene (“UHMWPE”). Id. In the mid-1990s, it
was discovered that the standard procedure to sterilize medical devices after
manufacture—gamma irradiation—caused UHMWPE to degrade slowly when exposed

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to the air contained in the device packaging, potentially leading to device failure. Id.
Howmedica and Pfizer determined that, because of this potential problem, Uni-Knees
should have an expiration date of five years after manufacture. Id. To ensure that
expired products did not ship to customers, Pfizer developed a computerized database
program to monitor all of their products containing UHMWPE. Id. However, as became
clear later, Uni-Knees were accidentally not entered into the database.
At the end of 1998, Stryker acquired Howmedica from Pfizer pursuant to a stock
and asset purchase agreement (“the Agreement”). Id. Under the terms of the
Agreement, Stryker was to indemnify Pfizer for any costs associated with claims brought
against Pfizer relating to Howmedica products, such as Uni-Knees.
In late 1999, a Stryker sales representative prepared an incident report disclosing
that an expired Uni-Knee had been implanted in a patient. Id. at *11. After an
investigation, Stryker believed that the error was “at the hospital end,” i.e., that hospitals
had been using inventory that had been sitting on their shelves past the five-year
expiration date. Id. On December 30, 1999, Elizabeth Staub, Stryker’s Vice President
for Quality Assurance, Regulatory Affairs, and Clinical Research, distributed a
memorandum to Stryker sales personnel, reminding them of the five-year expiration date
and instructing them to reinforce the rule with their customers (“the Staub Memo”). Id.
at *11-12. By 2000, however, it became clear that the error was on Stryker’s
end—expired Uni-Knees were being kept in Stryker warehouses and from there sold to
hospitals and implanted in patients. Id. at *13. This fact was memorialized in a July 28,
2000, letter to Stryker personnel. Beginning in 2000, Stryker was the subject of lawsuits
from patients who received expired Uni-Knees and had those devices fail after
implantation. In total, seventy-seven suits were brought against Stryker, and many of
those cases also contained claims against Pfizer.
B. The XL Insurance Policy
For the policy year 2000, Stryker purchased a Commercial General Liability
umbrella policy from Winterthur International America Insurance Company, now known
as XL. The policy provided for $15 million in coverage for each occurrence, and

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$15 million in aggregate coverage, over a $2 million self-insured retention (“SIL”). The
policy (“the XL policy”) imposes a duty on the part of the insurer to defend suits that
would be covered under the policy, and that any defense costs would be in addition to
the policy limits. The XL policy also required indemnification for “[a]ny [] organization
. . . to whom [Stryker is] obligated by a written insured Contract to provide insurance
such as is afforded by this policy but only with respect to [] liability arising out of
operations conducted by [Stryker] or on [Stryker’s] behalf.” Finally, the XL policy
contained an endorsement related to medical devices (“the Medical Product
Endorsement”), which grouped all medical products with the “same known or suspected
defect or deficiency which is identified by the same advisory memorandum” into one
“batch” or occurrence for coverage purposes. The endorsement provided that the
advisory memorandum set the date at which the batch “occurred” for coverage purposes.
However, the endorsement provided that “[b]atch coverage shall not apply to any loss
which arises out of a defect or deficiency that is known or suspected prior to 1-1-
[20]00.”
Stryker tendered notice of claims to XL in August 2000, seeking defense and
indemnification under the XL policy. On October 11, 2001, XL notified Stryker that it
was denying coverage under the XL policy, arguing that the claims arise out of a “defect
. . . that [was] known or suspected prior to 1-1-[20]00,” and thus not covered pursuant
to the Medical Product Endorsement.
Stryker filed suit against XL in the Western District of Michigan on October
4, 2001, seeking defense and indemnification for claims against Stryker related to
expired Uni-Knees under the XL policy (“Stryker I”). Soon after, Pfizer brought suit
against Stryker in the Southern District of New York, alleging that Stryker was obligated
to indemnify Pfizer against claims brought against Pfizer related to the Uni-Knees. That
court eventually granted summary judgment in favor of Pfizer, holding that Stryker was
required to indemnify Pfizer under the Agreement. See Pfizer Inc., v. Stryker Corp.,
348 F. Supp. 2d 131, 159 (S.D.N.Y. 2004). Stryker tendered the judgment in the Pfizer
case, $17.7 million plus interest, to XL for indemnification. XL denied that claim as

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well, and so Stryker filed a second action against XL, as well as against the excess
insurer, TIG. Stryker Corp. et al. v. XL Insurance America, Inc. et al., No. 1:05-cv-051-
RHB (“Stryker II”).
C. District Court Proceedings
Over the course of the ten-year history of this case, the district court issued six
rulings that are relevant on appeal. On April 3, 2007, the district court issued the Stryker
I Coverage Opinion, stemming from a five day bench trial. In that opinion, the district
court held that the XL policy does cover direct claims against Stryker. In a separate
order in Stryker II, the district court held that XL was liable for Stryker’s obligations to
Pfizer under the Agreement.
On December 15, 2008, the district court ruled on Stryker’s motion for summary
judgment, holding that Stryker’s settlements with the underlying plaintiffs, as well as
most of Stryker’s proffered defense costs, were reasonable. 2008 WL 5235886
(W.D. Mich. Dec. 15, 2008) (“Stryker I Damages Opinion”). The opinion also
established that Stryker was entitled to pre-judgment interest on these sums, without
establishing the amount of that interest. On February 9, 2009, XL entered into a
settlement with Pfizer, under which it would pay $26 million to settle all of Stryker’s
liability to Pfizer (“the Pfizer settlement”). XL thereafter filed a motion for summary
judgment, arguing that the Pfizer settlement exhausted the XL policy, and thus XL was
no longer liable for the sums outlined in the Stryker I Damages Opinion. On
October 7, 2009, the district court denied the motion, holding that XL’s breach of the
duty to defend Stryker voided any limits of liability in the XL policy. 2009 WL 3256179
(W.D. Mich. Oct. 7, 2009) (“Final Judgment Opinion”). Accordingly, XL was
responsible for all of Stryker’s losses associated with Uni-Knees claims. In addition, the
district court entered a final judgment on the same day, directing the parties to file a
motion to amend the judgment to add the final interest calculation.
XL appealed that final judgment. XL also filed a cross-motion for relief from
judgment, arguing that it was not subject to pre-judgment interest in light of a recent
Michigan Court of Appeals case which, XL argued, changed the governing law. The

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Nos. 09-2332; 10-2383 Stryker Corp., et al.. v. XL Ins. America Page 6
district court denied XL’s motion. 726 F. Supp. 2d 754 (W.D. Mich. 2010)
(“First Interest Opinion”). XL appealed that determination as well. Subsequently,
Stryker filed another motion to amend the judgment, arguing that pre-judgment interest
should be recalculated based on the date of the First Interest Opinion, rather than the
Final Judgment Opinion. The district court denied this motion. 2010 WL 3937180
(W.D. Mich. Oct. 4, 2010) (“Second Interest Opinion”). Stryker appealed this
determination, and the appeals were consolidated for purposes of review.
II. ANALYSIS
A. General Insurance Principles
Michigan law, which governs the substantive issues in the case, treats insurance
contracts in the same manner as other contracts. Rory v. Cont’l Ins. Co., 703 N.W.2d 23,
26 (Mich. 2005). Therefore, a court should “give contractual language that is clear and
unambiguous full effect according to its plain meaning unless it violates the law or is in
contravention of public policy.” Westfield Ins. Co. v. Ken’s Service, No. 300941, 2012
WL 752038 (Mich. Ct. App. Mar. 8, 2012). “Under Michigan law, exclusion clauses
and ambiguous provisions in insurance policies are strictly construed against the
insurer.” Northland Ins. Co. v. Stewart Title Guar. Co., 327 F.3d 448, 455 (6th Cir.
2003).
B. Coverage under the XL Policy
In the Stryker I bench trial, the district court found that the XL policy provides
coverage for claims made against Stryker in connection with Uni-Knees failures.
Factual findings made at a bench trial are reviewed for clear error, which occurs “if,
based on the entire record, we are left with the definite and firm conviction that a
mistake has been committed.” Solis v. Laurelbrook Sanitarium & Sch., Inc., 642 F.3d
518, 522 (6th Cir. 2011) (quoting Shelby Cnty. Health Care Corp. v. Majestic Star
Casino, 581 F.3d 355, 364-65 (6th Cir. 2009)). Legal conclusions that stem from factual
findings are reviewed de novo. Id. Under Michigan law, the proper interpretation of an

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1Strictly speaking, the Medical Products Endorsement speaks only to whether batch coverage
applies to the claims against Stryker, not whether there is coverage generally under the policy. However,
the policy limits coverage to “Bodily Injury . . . [or] Personal Injury . . . that takes place during the policy
period . . . .” The policy also contains an exclusion for “Bodily Injury . . . expected or intended from the
standpoint of the insured.” If batch coverage does not apply under XL’s theory, one or both of those
provisions would work to deny coverage to the Stryker claims in toto.
insurance policy provision is a legal question, and thus reviewed de novo. Klapp v.
United Ins. Grp. Agency, Inc., 663 N.W.2d 447, 463 (Mich. 2003).
Whether the XL policy provides coverage turns on the interpretation of the
Medical Products Endorsement. The Medical Products Endorsement alters the definition
of “occurrence” under the policy, such that all claims arising out of a single “known or
suspected defect” are considered to be one occurrence for coverage purposes. Such
“batch coverage,” however, does not apply to “any loss, which arises out of a defect, or
deficiency that is known or suspected prior to 1-1-[20]00.” Thus, if the “defect” occurs
before January 1, 2000, then there is no batch coverage for the underlying claims.1
Thus, the heart of the dispute between the parties is the precise “defect” that
triggers the batch coverage under the Medical Products Endorsement. The district court
found that “Duracon Uni-Knees were defective if they were available in inventory for
implantation by physicians beyond their shelf-life, that is beyond five years.” Stryker
I Coverage Opinion, 2007 WL 1031641, at *10. While the phrase “in inventory” is
potentially ambiguous, the district court went on to make clear that “in inventory” means
“in Stryker’s inventory.” “In deciding to send the Staub Memo, Ms. Staub never thought
that instances of expired polyethylene that prompted Mr. Irwin’s suggestion could have
been the result of [Stryker] shipping expired polyethylene.” Id. at *12 (emphasis added).
The district court found that it was not until April 2000 that Stryker began to suspect that
the problem stemmed from its own operations. Therefore, in the district court’s view,
“prior to January 1, 2000, no employee of Stryker . . . knew or suspected that Uni-Knees
were available in inventory for implantation by physicians beyond their shelf life.” Id. at
*15.
XL does not challenge the factual findings of the district court regarding what
facts Stryker personnel knew and when they knew them. Instead, XL argues in essence

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Nos. 09-2332; 10-2383 Stryker Corp., et al.. v. XL Ins. America Page 8
2Stryker filed a motion to strike this portion of XL’s brief, arguing that it is inconsistent with
XL’s prior theory in the case. Because we reject XL’s argument on the merits, as discussed below, we do
not address Stryker’s argument and dismiss their motion as moot.
that “in inventory” should be read as “in anyone’s inventory.”2 XL argues that it is
undisputed that Stryker knew before 2000 (via the Staub Memo) that expired Uni-Knees
were being used by physicians, and that fact is enough to defeat coverage.
The district court’s construction of the Medical Products Endorsement is the
more reasonable interpretation. Under XL’s theory, if an insured knows that there is
some future scenario under which a product would become defective via expiration, even
if it is completely out of the insured’s hands, then there is no coverage. While XL
focuses on the Staub Memo, under XL’s theory the Uni-Knees were barred from
coverage from day one. Stryker was aware since the mid-1990s that Uni-Knees would
deteriorate after five years of shelf life. Stryker also had to know that it was possible
that some end-user would implant Uni-Knees after five years, despite the warnings
Stryker provided. That would be enough to defeat coverage under XL’s interpretation.
It would also mean that any medical product with an expiration date, such as most
pharmaceuticals, would be uninsurable under the Medical Products Endorsement, since
there is always the chance that the expiration date would not be heeded.
In addition, insurance contracts should be read “as a whole, giving harmonious
effect, if possible, to each word and phrase.” Wilkie v. Auto-Owners Ins. Co.,
664 N.W.2d 776, 781 n.11 (Mich. 2003). The district court determined that the
“advisory memorandum” which locks in the occurrence for batch coverage purposes was
the July 28, 2000, memo by Stryker. XL does not challenge this determination on
appeal. A “batch” is defined as “all medical products which have the same known or
suspected defect or deficiency which is identified by the same advisory memorandum.”
Thus, in the first sentence of paragraph 3 of the Medical Products Endorsement, XL does
not dispute that the “known or suspected defect or deficiency” dates to July 28, 2000.
Yet, XL argues that a few sentences later in the same paragraph “defect, or deficiency
that is known or expected” should be interpreted to refer to a different, earlier, date.

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This is illogical and inconsistent with the requirement to provide a “harmonious effect,
if possible, to each word and phrase.”
Finally, any question of the interpretation of the policy must cut in favor of
Stryker. As discussed above, XL’s proposed interpretation of the policy would
completely exempt Uni-Knees, and indeed any Stryker products containing UHMWPE,
from coverage. It is highly unlikely that Stryker would have agreed to purchase such an
insurance policy. It is true that Michigan has rejected the rule, applicable in other states,
that insurance contracts should be interpreted to give effect to the reasonable
expectations of the insured. See generally Wilkie, 664 N.W.2d at 782-86. However, the
Michigan Supreme Court has equally emphasized that any ambiguities in an insurance
policy must be construed in favor of coverage and against the insurer. Id. at 786-87.
Thus, to the extent there is any ambiguity as to the meaning of the Medical Products
Endorsement, it must be construed in favor of coverage. At most, XL’s argument creates
an ambiguity in the meaning of the policy language, which would in turn support
coverage under the policy.
Therefore, we affirm the district court’s judgment that the XL policy provides
coverage for the claims made against Stryker in connection with Uni-Knees.
C. Exhaustion of the XL Policy
1. Priority of Claims under the XL Policy
Because we hold that the XL policy covers claims relating to Uni-Knees, we
must consider to what extent those claims exhaust the limits of liability under the policy.
As a preliminary matter, Stryker argues that XL may not apply the Pfizer settlement in
the Stryker II case to the XL policy prior to addressing the direct claims against Stryker
at issue in Stryker I. Stryker’s argument has both a procedural and substantive
component. On the procedural front, Stryker argues that XL’s motion for summary
judgment was rejected by the district court as untimely and improper. Substantively,
Stryker argues that the district court rejected XL’s exhaustion argument because it
violated the “district court’s roadmap” for the case and is inconsistent with the district

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court’s entry of judgment in Stryker I. In addition, Stryker argues that XL’s decision to
pay the Pfizer claim first was a contrivance designed to limit XL’s exposure to pre-
judgment interest.
Stryker’s argument is flawed for several reasons. First, it does not appear that
the district court actually held what Stryker says it did. The district court did conclude
that summary judgment was not the appropriate vehicle for XL’s contentions. The
district court then noted that the motion could be considered a motion for relief from
judgment or reconsideration. Far from rejecting this construction, the district court
concludes that “there does not appear to be a procedural reason why the court could not
do so.” Final Judgment Opinion, 2009 WL 3256179 at *2 (emphasis in original). The
district court then proceeded to reject XL’s argument on the merits. Stryker is simply
incorrect that XL’s motion was rejected on procedural grounds. Moreover, in reaching
the merits, the district court did not mention a “roadmap,” nor discuss a categorical rule
regarding the order that XL must pay its claims. The only two grounds addressed by the
district court relate to the exhaustion (or lack thereof) of the XL policy, as discussed in
Parts II.C.2 and II.C.3, below.
In addition, even if the district court had ruled as Stryker suggests, such a ruling
would be inconsistent with the language of the XL policy. In the policy’s limits of
liability section of the policy, the “General Aggregate Limit” is defined as “the most we
will pay for all damages covered under the Insuring Agreement . . . .” Similarly, in the
defense obligation section of the XL policy, the duty to defend terminates when the
“applicable Limits of Liability have been exhausted by payment of judgments or
settlements.” In both cases, exhaustion turns on the actual payment of money on behalf
of the insured, not when a judgment that would obligate the payment of money is
entered. Therefore, the question of whether the judgment in Stryker I was fully entered
prior to the Pfizer settlement is irrelevant. Instead, the relevant question is at what point
XL actually made provision to pay a claim on behalf of Stryker. As it is clear that XL
entered into the Pfizer settlement before it paid any claims under Stryker I, the Pfizer

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3In addition, Stryker cites no Michigan case law stating that an insurer has an obligation to pay
claims in a particular order. Case law in other jurisdictions, however, makes clear that the general rule is
that an insurer may pay claims in any order it chooses. See In re September 11 Prop. Damage Litig.,
650 F.3d 145, 153 (2d Cir. 2011) (New York law); Elliott Co. v. Liberty Mut. Ins. Co., 434 F. Supp. 2d
483, 499 (N.D. Ohio 2006) (Ohio, Pennsylvania, Connecticut, New York, and Delaware law).
settlement can be used to exhaust the XL policy before considering the Stryker I
judgment.3
2. Consequential Damages
XL’s liability to Stryker under the policy is limited to the aggregate limit of
liability on occurrences under the XL policy, which is $15 million above the self-insured
retention of $2 million. In Michigan, insurance policies are interpreted in the same
manner as every other contract. Wilkie, 664 N.W.2d at 780. Indeed, the Michigan
Supreme Court has explicitly rejected the approach, taken in other jurisdictions, that
would apply special rules of interpretation to insurance policies distinct from those used
for other commercial contracts. See id. at 782 (rejecting the practice of ”judges
divin[ing] the parties reasonable expectations” as inconsistent with the “bedrock
principle[s] of American contract law”) Therefore, the standard contract rule that any
damages beyond the value of the contract must be proven to “arise naturally from the
breach or those that were in contemplation of the parties at the time the contract was
made,” Lawrence v. Will Darrah & Assoc., Inc., 516 N.W.2d 43, 45 (Mich. 1994)
(quoting Kewin v. Mass. Mut. Life Ins. Co., 295 N.W.2d 50, 53 (Mich. 1980)), applies
to insurance policies. Thus, when an insurer breaches the duty to defend or indemnify
under the policy, the insurer is responsible for “‘expectation interest’ through awarding
damages for the economic loss suffered by the promisee.” Frankenmuth Mut. Ins. Co.
v. Keeley, 447 N.W.2d 691, 705 (Mich. 1989) (Levin, J., dissenting) (emphasis in
original), dissent adopted on rehearing, 461 N.W.2d 666 (Mich. 1990).
The district court found that the self-insured retention and the aggregate limits
of liability do not apply to the XL policy, because XL breached its duty to defend
Stryker against both the direct claims and the claims in the Pfizer litigation. Final
Judgment Opinion, 2009 WL 3256179 at *4. In reaching both conclusions, the district

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court relied on Capitol Reproduction, Inc. v. Hartford Insurance Co., 800 F.2d 617, 624
(6th Cir. 1986), which held that “an insured is not required to prove that the amount of
the judgment in excess of the policy limits was caused by the failure of the insurer to
provide a reasonable defense . . . .” (internal quotation marks and citation omitted). In
other words, any losses resulting from a breach of the duty to defend could be assumed
to be consequential losses, and thus would not account against any limits of liability.
While the Capitol Reproduction court may have correctly applied Michigan law
at the time of the decision, subsequent Michigan decisions have undermined the
rationale and holding of the case. Capitol Reproduction holds that, in an insurance
context only, all losses are assumed to be consequential losses, without the breached
party’s having to demonstrate the connection between the loss and the breach. This is
an extra-contractual rule of the kind the Michigan Supreme Court rejected in
Frankenmuth and Wilkie. As a federal court sitting in diversity, we are obligated to
apply the law of Michigan as it currently stands, even if such an application is
inconsistent with prior case law from this circuit. See Hampton v. United States, 191
F.3d 695, 701 (6th Cir. 1999) (“[A] panel may reconsider [the panel opinion] because
the Michigan courts have expressly indicated . . . that they disagree with [the panel
opinion] and would have decided it differently.”); Harrow Prods., Inc. v. Liberty Mut.
Ins. Co., 64 F.3d 1015, 1025-26 (6th Cir. 1995) (vacating a prior panel decision in light
of a controlling state-law ruling from the Michigan Supreme Court).
For these reasons, we reverse the district court’s judgment that the aggregate
limit of liability of the XL policy does not apply to the judgments in Stryker I and II. On
remand, the district court should consider what portion, if any, of the total liability for
Stryker I and II judgments beyond $15 million represents consequential damages as
defined under Michigan contract law.
3. Application of the Pfizer Settlement to the XL Policy Limits
As an alternate holding, the district court determined that only the actual
settlement payments to Pfizer, not Pfizer’s defense costs or attorney’s fees in connection
with the litigation against Stryker, should count against the limits of the XL policy.

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Final Judgment Opinion, 2009 WL 3256179 at *3. In reaching this conclusion, the
district court considered Pfizer’s defense costs in the tort suits together with Pfizer’s
defense costs in the litigation against Stryker. However, a close reading of the XL
policy shows that the two sources of liability for XL are conceptually distinct.
XL’s obligation to pay Pfizer’s defense costs comes from the “Insured Contract”
provision of the XL policy. “Insured Contract,” is defined as “any oral or written
contract entered into by you and pertaining to your business under which you assume the
tort liability of another party . . . .” In the separate section of the policy relating to
defense obligations, the XL policy commits XL to defending “any claim or suit seeking
damages covered by the terms and conditions of this policy when . . . [d]amages are
sought for Bodily Injury, Property Damage, Personal Injury, or Advertising Injury
covered by this policy. . . .” Defense costs are outside of the aggregate limits of liability:
“All expenses we incur in the defense of any suit or claim are in addition to our Limits
of Insurance.”
With regard to costs stemming from tort suits against Pfizer, the district court
found that XL had a duty to defend Pfizer, pursuant to the defense obligation provision
of the policy. Stryker Corp. v. National Union Fire Ins. Co of Pittsburgh, PA et al.
(“Stryker II”), No. 1:05-cv-051-RHB, 2009 WL 56292, at *9 (W.D. Mich. Jan. 8, 2009).
XL has not appealed this portion of Stryker II, and thus XL may not now challenge this
determination. From the conclusion that XL had a duty to defend, the district court
reasoned that XL should have borne the Pfizer’s defense costs, and that such costs
should have been in addition to the policy limits. Final Judgment Opinion at *3.
Therefore, Pfizer’s defense costs represent consequential damages that flow directly
from XL’s breach, and are not subject to the limits of liability. Id. The district court’s
conclusion is a logical extension of its ruling on the duty to defend, and thus we affirm
the district court’s ruling with regard to the Pfizer defense costs.
This same logic does not apply to the costs associated with the indemnification
action. The defense provisions are limited to “suit[s] . . . seeking damages on account
of Bodily Injury, Property Damage, Personal Injury, or Advertising Injury . . . .” The

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action between Pfizer and Stryker is none of those things—the parties agree that
Stryker’s obligation for Pfizer’s costs associated with the indemnification dispute arise
out of the terms of the Agreement. Instead, the costs associated with the action between
Stryker and Pfizer stem directly from “liability . . . assumed by the Insured under an
Insured Contract”—in this case the fee-shifting provisions of the Agreement. This
liability is part of the general grant of coverage, and thus subject to the limits of liability.
Therefore, on remand, the district court should consider Pfizer’s costs stemming
from the indemnification action against Stryker as part of the sum that may be used to
exhaust the $15 million aggregate limit of liability of the XL policy. By contrast,
Pfizer’s costs stemming from defending tort actions related to the Uni-Knees may not
exhaust the XL policy, and XL is liable for those costs notwithstanding the limits of
liability.
D. Pre-Judgment Interest
The district court applied a pre-judgment interest penalty to XL with respect to
the Stryker I judgment. In doing so, the district court ultimately held that, pursuant to
Mich. Comp. Laws § 500.2006, 12% interest accrues on the indemnification portion of
Stryker I from the date Stryker settled the underlying tort law suits until entry of the first
Stryker I judgment on October 9, 2009. First Interest Opinion, 726 F. Supp. 2d at 767.
In addition, 12% pre-judgment interest applies to the defense cost portion of Stryker I
from the date the underlying tort suits were submitted to XL until the October 9, 2009
judgment. Id. at 768. XL argues that pre-judgment interest should not apply at all
because the matters were “reasonably in dispute,” and in any event should not apply to
consequential damages. Stryker cross-appeals, arguing all pre-judgment interest should
run until the second amended judgment, entered on July 22, 2010. An award of pre-
judgment interest is reviewed for abuse of discretion. Scotts Co. v. Cent. Garden & Pet
Co., 403 F.3d 781, 788 (6th Cir. 2005).

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Nos. 09-2332; 10-2383 Stryker Corp., et al.. v. XL Ins. America Page 15
1. Application of Michigan Compiled Laws § 500.2006
Section 500.2006(4) divides insurance claims “not paid on a timely basis” into
two categories. For cases where “the claimant is the insured or an individual or entity
directly entitled to benefits under the insured’s contract of insurance,” the interest rate
is 12% per annum. However, for “third party tort claimant[s],” the interest rate is
12% per annum “if the liability of the insurer for the claim is not reasonably in dispute,
the insurer has refused payment in bad faith and the bad faith was determined by a court
of law.” Michigan case law has reinforced this distinction and emphasized that first
party insurance claimants need not demonstrate that the claim was “not reasonably in
dispute” in order to recover the 12% interest. Griswold Properties, LLC v. Lexington
Ins. Co., 741 N.W.2d 549, 566 (Mich. Ct. App. 2007) (special panel).
Relying on Griswold, the district court initially held that the entirety of the
Stryker I judgment was subject to the 12% pre-judgment interest because Stryker was
an “insured,” and thus entitled to pre-judgment interest from the tender of the claim to
XL, regardless of whether the matter was in dispute. The district court reconsidered this
award in light of the intervening Michigan Court of Appeals decision in Auto-Owners
Insurance Co. v. Ferwerda Enterprises., Inc. (Ferwerda I), 797 N.W.2d 168, 175 (Mich.
Ct. App. 2010), where the Michigan Court of Appeals held that a breach of the insurance
contract that was “specifically tied to the underlying third-party tort claim,” was subject
to the “reasonable dispute” rule in § 500.2006(4). In analyzing Ferwerda I, the district
court concluded that a claim is “tied” to the third-party tort claim up until the point
where the insured pays the claim, at which point it is converted into a first-party claim.
First Interest Opinion, 726 F. Supp. 2d at 767. Therefore, the district court modified the
pre-judgment interest award with regard to the settlements, holding that the interest
accrues from the date that Stryker settled the claim. Id. However, with regard to defense
costs, the district court held that they were always “first party” claims, since they are a
benefit due directly to Stryker. Therefore, pre-judgment interest on those claims began
to run when Stryker tendered the claim to XL. Id. at 768.

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Nos. 09-2332; 10-2383 Stryker Corp., et al.. v. XL Ins. America Page 16
XL argues that all pre-judgment interest in this case is subject to the “reasonable
dispute” rule, per Ferwerda I, because the Stryker I judgment stems ultimately from
third-party tort claims against Stryker. Stryker, by contrast, argues that the Michigan
Supreme Court vacated Ferwerda I via its subsequent decision in Ferwerda II. 784
N.W.2d 44 (Mich. 2010) (Ferwerda II). Thus, Stryker argues that we should not
consider Ferwerda I at all, and instead reinstate the district court’s original pre-judgment
interest calculation.
Stryker’s argument goes too far, because the Michigan Supreme Court reversed
Ferwerda II on other grounds, and at no point does the court say it is vacating the
penalty interest analysis. At most, the Michigan Supreme Court’s corrections turn the
penalty interest analysis in Ferwerda I into dicta. In the absence of a clear
pronouncement from the Michigan Supreme Court, a federal court sitting in diversity
“must predict how the court would rule by looking to all the available data.” Allstate
Ins. Co. v. Thrifty Rent-A-Car Sys., Inc., 249 F.3d 450, 454 (6th Cir. 2001). Even if
Ferwerda I is in fact dicta, it was not improper for the district court to consider
Ferwerda I to predict how Michigan courts would handle penalty interest. Nevertheless,
the uncertain status of Ferwerda I does significantly undercut XL’s argument that all
claims stemming ultimately from third party tort actions are always subject to the
“reasonable dispute” rule. This is particularly true because the plain language of the
statute focuses on the identity of the claimant who is seeking benefits from the insurer,
not the underlying source of the claim. Here, it is undisputed that Stryker is the
claimant, because Stryker already paid off the third-party tort claims. The district
court’s rule is therefore a logical one and one that is consistent with the statutory
language—as long as the “claimant” is a third-party, the “reasonable dispute” rule
applies; the moment the “claimant” becomes the insured, it ceases to apply.
XL also argues that any consequential damages for which it is liable, such as
attorney’s fees, should not be subject to penalty interest. The district court held that
Stryker’s attorney’s fees were subject to the penalty interest statute, accruing on the date
Stryker submitted the underlying tort claims to XL. First Interest Opinion, 726 F. Supp.

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Nos. 09-2332; 10-2383 Stryker Corp., et al.. v. XL Ins. America Page 17
2d at 768. XL argues that this is in error, relying on a provision of § 500.2006(4) which
states that, “[i]f the loss exceeds the limits of insurance coverage available, interest shall
be payable based upon the limits of insurance coverage rather than the amount of the
loss.” XL reads “interest shall be payable based upon the limits of insurance coverage
rather than the amount of the loss” to mean that the court can only apply penalty interest
to the sum that was used to exhaust the policy limits, and not any other sums that would
not be subject to the limits.
XL’s reading of the statute is unnecessarily narrow. A panel of this court,
interpreting § 500.2006(4), held that attorney’s fees stemming from an insurer’s breach
of the duty to defend were subject to penalty interest. Alticor, Inc. v. Nat’l Union Fire
Ins. Co. of Pa., 345 F. App’x 995, 1001-02 (6th Cir. 2009). A reasonable reading of the
statute is that the insurer is subject to pre-judgment interest on the amount it actually has
to pay to the insured. Such payments in a real sense do not “exceed the limit of
insurance coverage available.” However, to the extent that there are amounts that the
insurer is not liable to pay because they are beyond the limits of liability, those amounts
are not subject to pre-judgment interest. On remand, the district court should follow the
same methodology it used in calculating pre-judgment interest. However, the district
court should recalculate the pre-judgment award based on the total amount for which XL
is actually liable to Stryker, including any defense costs and consequential damages.
2. End-Date for Calculating Pre-Judgment Interest
Stryker in its cross-appeal argues that the district court should have re-calculated
the pre-judgment interest award from the date of the First Interest Opinion, as opposed
to using the date of the Final Judgment Opinion as the end of the interest period. The
parties agree that pre-judgment interest should run up until the point where the federal
post-judgment interest provisions are triggered. Post-judgment interest is calculated
“from the date of the entry of the judgment . . . .” 28 U.S.C. § 1961(a). The court has
interpreted “judgment,” for purposes of the statute, to mean “any judgment that is not
entirely set aside.” Skalka v. Fernald Envtl. Restoration Mgmt. Corp., 178 F.3d 414, 429
(6th Cir. 1999). By that definition, the Final Judgment Opinion would be the judgment,

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Nos. 09-2332; 10-2383 Stryker Corp., et al.. v. XL Ins. America Page 18
as it contained findings relating to the amount of pre-judgment interest that the First
Interest Opinion did not completely vacate.
This conclusion is potentially in tension with Scotts. 403 F.3d 781. In Scotts,
the first judgment was followed by two subsequent judgments that modified the total
award, but did not set aside the conclusions of the first judgment. The district court used
the first judgment as the cut-off for pre-judgment interest, but the panel reversed and
remanded to the district court to recalculate interest from the last judgment in the case.
Id. at 792-93. Stryker argues that the court’s rationale in Scotts—that the prevailing
party should be entitled to an extended period of pre-judgment interest—applies with
equal force here.
Scotts is distinguishable. In Scotts, the first mention of pre-judgment interest in
the opinions of the district court was the final judgment, not any of the earlier judgments.
Id. at 783, 786-88. As the district court stated, the Scotts opinion “merely aligned the
accrual of prejudgment interest with the date that prejudgment interest was first
awarded.” Here, there is no question that pre-judgment interest was awarded by the
district court in the First Interest Opinion. This makes this case factually closer to
Skalka than to Scotts. Thus, we affirm the district court’s judgment with regard to the
date that pre-judgment interest terminates.
III. CONCLUSION
Accordingly, we AFFIRM the district court’s judgment in part, REVERSE in
part, and REMAND for further proceedings consistent with the opinion. In addition, we
DISMISS AS MOOT Stryker’s motion to strike a portion of XL’s Reply Brief.

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