stare decisis

The final paragraphs of this morning’s opinion of the Supreme Court in Kimble v. Marvel Entertainment, LLC—a patent case involving Spider-Man web-shooters—in which the Court’s decision turned on whether it would overrule its prior decision in Brulotte v. Thys Co., 379 U.S. 29 (1964):

One of Justice Kagan’s clerks is having a really, really good day today.