Supreme Court Amicus Rules Explained: The 7-Day Clock That Follows Apple’s Epic Brief

Supreme Court Rule 37.3(a) gives an outside group exactly 7 days after a party’s brief is filed to submit its own brief backing that side. Applied to Apple Inc. v. Epic Games, Inc., that rule puts September 21, 2026 on the calendar as the deadline for any amicus brief supporting Apple, one week after Monday’s filing. A procedural filing deadline...