Eric Joseph Klein

Eric Joseph Klein is a patent litigation attorney with a practice focused on complex intellectual property disputes, particularly in the technology and energy sectors. His technical experience spans a range of areas including solar technology, computer hardware and software, internet-related technologies, cell phone technologies, computer and data networking, wireless communications, and semiconductors, including telecommunications standards such as Wi-Fi, WiMAX, CDMA, UMTS, LTE, GSM, and Bluetooth.

Based on tracked appearances, Mr. Klein primarily represents plaintiffs in patent infringement actions, with all two recorded appearances on the plaintiff side. He has appeared in patent litigation cases for firms including White & Case and Vinson & Elkins. He is currently a partner in the Intellectual Property group at Vinson & Elkins LLP in Dallas, Texas. He joined Vinson & Elkins in 2016, moving from Akin Gump Strauss Hauer & Feld LLP.

Mr. Klein has represented Maxeon Solar Pte. Ltd. as plaintiff in patent infringement litigation, including cases against Canadian Solar, Inc. and REC Solar Holdings AS, involving solar cell technology. In the case of Maxeon Solar Pte. Ltd. v. Canadian Solar, Inc., the patents-in-suit were ultimately invalidated. He also served as counsel for Maxell in an appeal to the Federal Circuit concerning a rechargeable lithium-ion battery patent, where the appellate court reversed a district court's indefiniteness ruling.

While Vinson & Elkins's Intellectual Property practice includes representing clients before the U.S. Patent and Trademark Office, specific details on Mr. Klein's regular involvement in PTAB or IPR proceedings are not extensively detailed in publicly available sources. Mr. Klein earned his law degree from Texas Tech University School of Law in 2003 and has been licensed to practice in Texas since then. He is a registered patent attorney.