Defendant did not waive his defense based on the release in the settlement agreement by failing to timely assert it, pursuant to CPLR 3211[e]), since he pleaded a defense based on contract in his answer, and a release is a contract. Plaintiffs could not be surprised or prejudiced by his assertion of the defense .
Riehm Corp. v. Brennan, NY Slip Op 02261 (1st Dep't April 13, 2021)