The defendant did not assert the lack of personal jurisdiction in the answer, and thereby waived this defense under CPLR 3211(e). However, the defense can be interposed in an answer that is amended by leave of court pursuant to CPLR 3025(b).
Deutsche Bank Natl. Trust Co. v. Groder, NY Slip Op 03768 (2d Dep't July 12, 2023)