Questione giuridica chiave
Whether the interlocutory cantonal judgment of 1 December 2009 could be challenged together with the final judgment.
Decisione estratta
The interlocutory judgment could be reviewed together with the final judgment because it affected the outcome of the case on supplementary benefits.
Motivazione estratta
Under Art. 93(3) LTF, an incidental decision may be attacked with the final decision if it influences its content; the finding on the spouse's hypothetical income directly determined entitlement.