Emily Greb

Emily Greb is a seasoned patent trial lawyer and Partner at Perkins Coie, LLP, specializing in high-stakes patent litigation across federal courts. Her practice emphasizes life science technologies, including significant experience in Hatch-Waxman litigation. While her primary focus is on life sciences, she also handles other complex technology areas, as evidenced by her representation of Hisense Company Ltd. in a case involving patents related to backlight units and LED strips for LCD TVs.

Based on tracked appearances and her firm profile, Ms. Greb primarily represents defendants in patent disputes. She is noted for securing victories at various litigation stages, including trial and preliminary injunction. Notable engagements include serving as trial and appellate counsel for Mylan in a Hatch-Waxman litigation, which resulted in a successful settlement agreement, and representing Broadcom Corporation in an ITC investigation concerning semiconductor chips that settled favorably.

Ms. Greb is active in post-grant review proceedings before the Patent Trial and Appeal Board (PTAB), frequently navigating parallel proceedings in both district courts and the PTAB. She has achieved victories in inter partes review (IPR) proceedings. Her involvement in the Light Guide Innovations, LLC v. Hisense Company Ltd., et al. case includes a parallel IPR proceeding (IPR2025-01538) where Hisense USA Corp. et al. challenged Light Guide Innovations LLC's patents.

She holds a J.D., cum laude, from the University of Wisconsin Law School, along with an M.S. and B.S. in Bacteriology from the University of Wisconsin. Ms. Greb is admitted to practice in Wisconsin, before the U.S. Patent and Trademark Office, the U.S. Court of Appeals for the Federal Circuit, the U.S. Court of Appeals for the Seventh Circuit, and the U.S. District Courts for the Eastern and Western Districts of Wisconsin.