Facts
The appellant [A.] , born in 1989, completed his high school diploma in 2008 and began studying computer science in 2009, which he abandoned in 2012. On 6 August 2012, he began a two-year apprenticeship as a retail specialist EFZ, which he successfully completed on 5 August 2014. On 1 October 2015, the IV-Stelle (IV Office) discontinued its services. On 16 June 2016, [A.] reapplied to the IV-Stelle for benefits, as his health condition had deteriorated. After a spinal cord surgery in December 2016 and various integration measures by the IV-Stelle, it granted him an attendance allowance as of 1 February 2018 and a low-level helplessness allowance as of 1 December 2017. On 31 July 2021, [A.] completed a training as a commercial clerk EFZ that lasted from 12 August 2019 to 31 July 2021 and took up a 50% commercial position as of 1 August 2021.Considerations
The lower court has determined the appellant's pension entitlement as follows: - From 1 January to 28 February 2017, entitlement to a quarter pension - From 1 August to 31 October 2021, entitlement to a half disability pension - From 1 to 30 November 2021, entitlement to a quarter pension The Federal Supreme Court confirms this determination, with the exception of an obvious clerical error in the judgment's operative part, which is corrected to the effect that the appellant is entitled to a quarter pension from 1 to 30…