United States Court of Appeals for the Federal Circuit ______________________

MAQUET CARDIOVASCULAR LLC, Plaintiff-Appellant

v.

ABIOMED INC., ABIOMED R&D, INC., ABIOMED EUROPE GMBH, Defendants-Appellees ______________________

2023-2045 ______________________

Appeal from the United States District Court for the District of Massachusetts in No. 1:17-cv-12311-FDS, Judge F. Dennis Saylor, IV. ______________________

Decided: March 21, 2025 ______________________

KIRK T. BRADLEY, Alston & Bird LLP, Charlotte, NC, argued for plaintiff-appellant. Also represented by NICHOLAS CHRISTOPHER MARAIS; CHRISTOPHER L. MCARDLE, WADE G. PERRIN, New York, NY.

KEITH HUMMEL, Cravath, Swaine & Moore LLP, New York, NY, argued for defendants-appellees. Also repre- sented by SHARONMOYEE GOSWAMI, ANDREI HARASYMIAK, LAUREN MOSKOWITZ. ______________________ Case: 23-2045 Document: 33 Page: 2 Filed: 03/21/2025

2 MAQUET CARDIOVASCULAR