Questione giuridica chiave
Whether the appellant was entitled to an invalidity pension from the pension fund from 1 November 1992.
Decisione estratta
The claim was time-barred and therefore could not be enforced.
Motivazione estratta
The absolute ten-year limitation period had long expired before the 2009 claim was filed, and the later cantonal amendment on imprescriptibility did not apply retroactively to already prescribed claims.