William Ellsworth Davis, III

William Ellsworth Davis, III is a patent litigator specializing in complex intellectual property disputes, primarily focusing on technologies related to location-aware wireless communication, mobile station monitoring, and medical diagnostic systems, including wearable health sensors and biosensors. His practice demonstrates a balanced approach, representing both plaintiffs and defendants in patent infringement actions. Of his four tracked appearances, he has defended operating companies in three cases and represented a patent assertion entity (PAE) as a plaintiff in one instance.

Mr. Davis is a Member at The Davis Firm, P.C., a Texas-based intellectual property litigation firm. The firm's practice areas encompass a broad range of intellectual property, including patents, copyrights, trade secrets, and trademarks, and they handle all phases of litigation from pre-suit diligence through trial and appeal, including before the U.S. Court of Appeals for the Federal Circuit.

His notable representations include acting as counsel for Avant Location Technologies LLC, a patent assertion entity, in actions concerning location-aware wireless technology against major companies like Apple Inc. and Samsung Electronics Co., Ltd. and Fibar Group S.A.. The case against Fibar Group S.A., involving smart home controllers, resolved via a joint dismissal with prejudice in 304 days. He also served as lead counsel for OMNI MEDSCI, INC., another patent assertion entity focused on medical technology, in a defense against SAMSUNG ELECTRONICS CO., LTD.. His experience also includes involvement in Inter Partes Review (IPR) proceedings, having represented Avant Location Technologies LLC as a defendant in a challenge brought by Unified Patents.

Mr. Davis earned his B.A. from Rhodes College in 2000 and his J.D. from Baylor University School of Law in 2004. He is admitted to practice in Texas (2004), before various U.S. District Courts in Texas, and the U.S. Courts of Appeals for the Fifth and Federal Circuits (2005), as well as in Colorado (2007).