Andersen et al v. Stability AI Ltd. et al

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Case No.: 3:23-cv-00201-WHO
STIPULATION AND ORDER EXTENDING DEADLINE TO FILE JOINT LETTER BRIEF
REGARDING STABILITY AI’S TRAINING-DATA PRODUCTION
[Counsel Listed on Signature Pages]
UNITED STATES DISTRICT COURT
NORTHERN DISTRICT OF CALIFORNIA
SAN FRANCISCO DIVISION
SARAH ANDERSEN, et al.,
Individual and Representative Plaintiffs,
v.
STABILITY AI LTD., et al.,
Defendants.
Case No.: 3:23-cv-00201-WHO
STIPULATION AND ORDER EXTENDING
DEADLINE TO FILE JOINT LETTER
BRIEF REGARDING STABILITY AI’S
TRAINING-DATA PRODUCTION
Case 3:23-cv-00201-WHO Document 432 Filed 02/27/26 Page 1 of 3

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Case No.: 3:23-cv-00201-WHO 1
STIPULATION AND ORDER EXTENDING DEADLINE TO FILE JOINT LETTER BRIEF
REGARDING STABILITY AI’S TRAINING-DATA PRODUCTION
Plaintiffs Sarah Andersen, Karla Ortiz, Grzegorz Rutkowski, Gregory Manchess, Gerald Brom,
Jingna Zhang, Julia Kaye, and Adam Ellis (“Plaintiffs”) and Defendants Stability AI Ltd. and Stability AI,
Inc. (collectively, “Stability AI”), by and through their respective counsel, hereby stipulate and agree as
follows:
WHEREAS, on November 25, 2025, Plaintiffs sent a letter to Stability AI requesting nine categories
of information related to Stability AI’s training data production, including the existence of a manifest, the
completeness of metadata and training-run mapping, and the identification of preprocessing steps;
WHEREAS, during the January 22, 2026 Discovery Status Conference, the Court directed the
Parties to meet and confer to resolve the dispute;
WHEREAS, the Court’s deadline for filing a Joint Letter Brief on issues relating to Stability AI’s
training data production is February 27, 2026;
WHEREAS, the Parties have been meeting and conferring regarding the training data production
issues and wish to continue those discussions in good faith to attempt to resolve the dispute without judicial
intervention;
WHEREAS, to date, there have been minimal time modifications in the case by stipulation or Court
order;1
NOW, THEREFORE, IT IS HEREBY STIPULATED AND AGREED, by and between the Parties,
through their undersigned counsel, as follows:
1. The deadline for filing a Joint Letter Brief regarding the outstanding disputes over Stability AI’s
training-data production is extended from February 27, 2026 to March 11, 2026.
2. The Parties shall meet and confer in good faith regarding the training-data production issues on
or before March 7, 2026.
3. If the Parties resolve the dispute, they shall promptly notify the Court by filing a joint
stipulation.
4. If the Parties are unable to resolve the dispute by March 11, 2026, either Party may file a Joint
Letter Brief on or before that date in accordance with the Court’s procedures.
1 See ECF Nos. 28, 29, 39, 40, 137, 138, 152, 153, 270, 273, 295, 296, 310-13, 315, 317, 399, 401, 409-
11, 416, 417.
Case 3:23-cv-00201-WHO Document 432 Filed 02/27/26 Page 2 of 3

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Case No.: 3:23-cv-00201-WHO 2
STIPULATION AND ORDER EXTENDING DEADLINE TO FILE JOINT LETTER BRIEF
REGARDING STABILITY AI’S TRAINING-DATA PRODUCTION
5. Nothing in this Stipulation shall be construed as a waiver of either Party’s rights or positions
regarding the scope, completeness, or sufficiency of Stability AI’s training data production, or
any other issue in this litigation.
6. This Stipulation shall be binding on all signatory parties and their successors, assigns, and
counsel.
PURSUANT TO STIPULATION, IT IS SO ORDERED.
Dated: February 27, 2026
The Honorable Lisa J. Cisneros
United States Magistrate Judge
Case 3:23-cv-00201-WHO Document 432 Filed 02/27/26 Page 3 of 3