if the action is based on new york state law, does the new york trial court have both subject and personal jurisdiction over the defendant

Yes

Explanation:

Every state court in the United States have jurisdiction over the persons within the territory. The court must have both personal jurisdiction as well as subject jurisdiction so as to have a jurisdiction over a case.

Any court can exercise personal jurisdiction over any defendant unless the statute exists in forum state which explicitly give authorization to the court to have personal jurisdiction over that particular defendant. A defendant must not be a resident of the state in order to have a personal jurisdiction over him by the court.

answer:

insta, i mean its just better