David Thomas DeZern

David T. DeZern is a Partner at Nelson Bumgardner Conroy, focusing his practice on patent litigation, licensing, and IP portfolio development and counseling. His experience spans a variety of technologies, including telecommunications, software, electronic design automation, video coding, and, more recently, standard-essential patents related to wireless LTE and video compression technologies. The cases listed also indicate a focus on memory and semiconductor technologies, as evidenced by his appearances in matters involving Palisade Technologies, LLP, Yangtze Memory Technologies Co., Ltd., and Micron Technology, Inc.

DeZern frequently represents plaintiffs, appearing on the plaintiff side in three out of four tracked cases. The firm, Nelson Bumgardner Conroy, states that it takes pride in representing both plaintiffs and defendants in patent matters. One notable aspect of his tracked cases is his appearance for both plaintiff Palisade Technologies, LLP and defendant Yangtze Memory Technologies Co., Ltd. in the case of Palisade Technologies, LLP v. Yangtze Memory Technologies Co., Ltd., which may indicate different phases or aspects of the litigation. He also represented Palisade Technologies, LLP as plaintiff against Micron Technology, Inc. et al.

DeZern is admitted to the State Bar of Texas, the United States Patent & Trademark Office (USPTO) as a registered patent attorney, the United States Court of Appeals for the Federal Circuit, and multiple U.S. District Courts in Texas. He earned his J.D. with honors and a B.S. in Electrical Engineering from the University of Texas at Austin. Prior to law school, he gained electrical engineering experience through internships at Dell Computer, Freese & Nichols, National Instruments, and Lockheed Martin Aeronautics.

His firm, Nelson Bumgardner Conroy, has a dedicated practice in Post-Grant Review (PGR) proceedings, including inter partes reviews (IPR). DeZern is noted as a Patent Owner contact in at least one IPR proceeding, Silicon Motion Inc. v. Nelson Bumgardner Conroy P.C. (IPR2024-01241), suggesting involvement in PTAB matters. Additionally, the Palisade Technologies litigation against Micron Technology, Inc. has seen related IPR filings against Palisade by Micron.