The filing of a notice of appearance in an action by a party's counsel serves as a waiver of any objection to personal jurisdiction in the absence of either the service of an answer which raises a jurisdictional objection, or a motion to dismiss, pursuant to CPLR 3211(a)(8), for lack of personal jurisdiction.
Mid-Island Mtge. Corp. v. Johnson, NY Slip Op 06081 (2d Dep't August 7, 2019)
Here is the decision.