Answer:
The ruling was made by a lower court than the court hearing the current case.
Some of the facts of the original case are significantly different than the current case.
The judge in the original case did not have jurisdiction to try the case.
Explanation:
1, 5,4
It comes from the Latin word "forensis" pertaining to a forum. ... The meaning of "forensic" later came to be restricted to refer to the courts of law. The word entered English usage in 1659.