Equitable estoppel.
Practice point: Equitable estoppel will bar the assertion of the Statute of Limitations as an affirmative defense when it was the defendant's wrongdoing which caused the delay between the accrual of the cause of action and the commencement of the legal proceeding.
Case: Bevinetto v. Plotnick, NY Slip Op 04302 (2d Dept. 2008)