Lack of personal jurisdiction is an affirmative defense that is waived by appearing in an action, either formally or informally, without raising the defense in an answer or pre-answer motion to dismiss. A defendant's participation in a lawsuit on the merits indicates an intention to submit to the court's jurisdiction.
Matter of Weiss v. County of Suffolk, NY Slip Op 02210 (2d Dep't April 16, 2025)
