Blacks 2nd

—Lex fori. The law of the forum, or court: that is, the positive law of the state. country, or jurisdiction of whose judicial system the court where the suit is brought or remedy sought is an integral part. “Remedies upon contracts and their incidents are regulated and pursued according to the law of the place where the action is '

Wiki

Lex fori (Latin for the laws of a forum) is a legal term used in the conflict of laws to refer to the laws of the jurisdiction in which a legal action is brought.[1] When a court decides that it should, by reason of the principles of conflict of law, resolve a given legal dispute by reference to the laws of another jurisdiction, the lex causae, the lex fori still govern procedural matters.[2]

 

Lex Fori Law and Legal Definition

Lex fori is a legal term used in the conflict of laws used to refer to the laws of the jurisdiction in which a legal action is brought. It is a Latin term referring to the laws of the forum.