Cooper Union won its battle over Chrysler Building’s leasehold against developer Aby Rosen. De Agostini via Getty Images Aby Rosen was booted over his failure to pay $21 million in ground rent.

Rosen, meanwhile, is rebounding from the crushing Chrysler Building setback. He said he wouldn’t appeal a court ruling in favor of Cooper Union, which yanked his leasehold when he fell $21 million ...

A Manhattan judge recently yanked RFR’s ground lease on the Chrysler Building, ordering Fuchs ... The ruling capped a messy dispute with Cooper Union, the downtown college that owns the land ...

Aby Rosen may have been kicked out of the Chrysler Building, but he wasn’t kicked off the block. RFR Holding is planning a redevelopment of the Trylons property next to the Chrysler Building ...

Rosen, meanwhile, is rebounding from the crushing Chrysler Building setback. He said he wouldn’t appeal a court ruling in favor of Cooper Union, which yanked his leasehold when he fell $21 ...