: a doctrine in legal procedure: an issue especially of law that has been decided (as by an appeals court) will not be reconsidered in the same case unless compelling circumstances warrant such reconsideration;
also: a matter of law considered as settled in a case
the jury instructions were not objected to and thus became the law of the case
Seen and Heard
What made you want to look up law of the case? Please tell us where you read or heard it (including the quote, if possible).