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About Chad

Chad Ennis, a registered patent attorney, focuses his practice on intellectual property. He litigates before federal district courts, the Trademark Trial and Appeal Board and the Federal Circuit. Chad, who primarily litigates disputes related to patents, also has experience litigating trade secret, trade dress, trademark and copyright claims. His litigation experience includes jury trials, arbitration panels, agency reviews, and appeals, Markman and summary judgment proceedings, fact and expert discovery, and mediation and settlement negotiations. In addition, Chad helps clients to secure patents, copyrights, and trademarks before the United Stated Patent and Trademark Office (USPTO) and the Copyright Office (USCO).

Chad represents clients in the technology sector, as well as those involved in energy, chemistry, wireless communication, computer software and hardware, computer process manufacturing, wind turbine generators, pharmaceuticals, graphics processing, retail and consumer goods.

After law school, Chad was selected to the Attorney General’s Honors Program with the United States Department of Justice and assigned to the United States Attorney’s Office for the Middle District of Louisiana as an Assistant United States Attorney. Prior to law school, Chad worked as an engineer in the oil industry and managed production for more than 300 natural gas wells in south Texas.


Publications and Speeches

"UT CLE Technology Law Conference Presiding Officer," UTCLE Austin, May 26, 2017

"Patent Litigation: The Federal Rules Have Changed, or Have They?," AIPLA Mid Winter Meeting, Ft. Lauderdale, February 3, 2017

“Patent Damage Pitfalls Await the Unprepared,” IP Magazine, September 2016.

“Recent developments in damages,” Advanced Patent Litigation Texas Bar CLE, San Antonio, September 2016.

“Who is Alice and What is She Doing to My Tech Patents?,” Austin Business Journal, April 2016.

“Is this the end of forum shopping?” Intellectual Property Magazine, March 2016.

“Understanding the Defenses and Tactics in a Patent Case,” InsideCounsel, October 2015.

“Federal Patent Reform: Some Proposals Follow Texas’ Lead,” Texas Lawyer, May 2015.



The University of Texas School of Law,
with honors
University of Missouri,
B.S., Chemical Engineering
cum laude

Bar Admissions

U.S. Patent and Trademark Office


Austin Intellectual Property Law Association
Texas Bar Association
Republican National Lawyers Association
Texas Bar Foundation
Hon. Lee Yeakel IP Inn of Court



Patent Damage Pitfalls Await the Unprepared

September 2, 2016
Intellectual Property Magazine

Is this the end of forum shopping?

March 17, 2016
Intellectual Property Magazine



Thomson Reuters
Texas Super Lawyers
Rising Star, 2010-2011, 2013-2017