Facts
The insured [F.] suffers from a progressively worsening eye disease. He was employed by an association from 1 February 2003 and was therefore insured with the [Z.] Staff Pension Fund until 31 December 2006 and with the Abendrot Foundation for occupational pensions from 1 January 2007. In June 2008, he applied for a disability pension from the IV (Disability Insurance). The IV office in Basel-Stadt awarded him a three-quarter pension from 1 April 2009 with a degree of disability of 68% and a half pension from 1 October 2011 with a degree of disability of 57%. The Abendrot Foundation denied any obligation to provide benefits from occupational pensions, as the IV pension together with the income still earned exceeded 90% of the presumed lost earnings. Furthermore, it invoked the jurisdiction of another pension fund, as the insured had already been at least 20% incapacitated for work at the time of taking up the position. The Social Insurance Court of the Canton of Basel-Stadt partially upheld the insured's claim and obliged the Abendrot Foundation to exempt him from the obligation to pay contributions for the retirement savings. In all other respects, it dismissed the claim.Considerations
The Federal Supreme Court confirmed the decision of the cantonal court. It found that a relevant incapacity for work of the insured was only proven from April 2008 onwards, when he was insured with the Abendrot Foundation. For the time before that, there were no indications of a…