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Bruce Sostek serves as the Firm’s Dallas Office Leader and focuses his practice on intellectual property, technology, complex commercial litigation, and IP and business counseling. He has tried cases involving patent, trademark, and copyright infringement; theft of trade secrets; unfair competition; and other intellectual property concerns in federal courts throughout the country, at the International Trade Commission, and on appeal to the Federal Circuit Court of Appeals. He is actively involved in data privacy and cybersecurity issues, and has worked with multiple clients on major data breaches and fraudulent transfers. Bruce has an active media, sports, and entertainment law practice, including having represented several prominent Texas sports teams. He also counsels clients on the identification, valuation, licensing, and litigation of intellectual property assets and on how to use intellectual property to advance strategic business objectives.

Bruce is a “supremely skilled litigator” and “devoted advocate” who “never fails to make you feel as though you are his only client.” – IAM Patent 1000 2016

Bruce is a member of the American College of Trial Lawyers and has been listed among the “500 Leading Lawyers in America” by Lawdragon. He was named the Dallas Litigation-Patent “Lawyer of the Year” in 2017 and 2013 by The Best Lawyers in America® and is regularly listed in Chambers USA “Leaders in Their Field,” Texas Super Lawyers®, and as a Best Lawyer in Dallas by D Magazine. According to clients quoted in Chambers USA 2016, Bruce is “brilliant in the courtroom, gives good advice, and gains the confidence of his clients.”

He is an Adjunct Professor of Law at Southern Methodist University School of Law, where he teaches a course in patent litigation, and is a regular speaker and author on a variety of intellectual property topics.

Representative Matters

  • Represented a major semiconductor company in a Section 337 action before the International Trade Commission involving seven patents with a seven-month time frame between initiation of the investigation and trial with a resulting finding of no violation by the ALJ; the ITC affirmed on appeal to the Federal Circuit
  • Represented one of the world’s largest semiconductor manufacturers in contemporaneous litigation matters filed in separate forums involving 13 patents pertaining to microelectronics, video, and telecommunications technology
  • Represented a manufacturer of microelectronics devices against claims of patent infringement of a Chinese invention related to a process for making Power MOSFET devices; favorable judgment affirmed by the Federal Circuit
  • Represented several manufacturers and retailers in claims brought by the Lemelson Foundation Partnership for alleged infringement of machine vision and auto identification patents pertaining to visual inspection in manufacturing and the use of scanning bar code reading technology
  • Defended a prominent National Football League team against copyright claims related to the use of photographs in game day and season programs; also represented prominent National Basketball Association coaches in proceedings with the NBA
  • Defended a regional athletic footwear and clothing franchisor against trademark and trade dress infringement claims brought by a national retail athletic shoe chain
  • Represented a prominent microelectronics company and a start-up semiconductor manufacturer in the use of “have made rights” in a patent license as a defense to claims of patent infringement for the manufacture, use, and sale of X86 microprocessor chips; favorable judgment affirmed by the Federal Circuit
  • Represented prominent semiconductor company against alleged infringement of patent involving the use of microprocessors in combination with off-chip memory; judgment affirmed by the Federal Circuit
  • Represented plaintiff in several patent infringement cases involving telephone dialer chips and static random access memory (SRAMs) in actions before the International Trade Commission (Section 337 proceedings) to preclude importation and sale of infringing telephone dialers and computer memory products
  • Represented plaintiff in patent infringement action involving the use of polyethylene lenses for the collection and focusing of passive infrared rays in motion detectors and other sensing devices
  • Defended high technology company against claims of trademark infringement and dilution by invalidating a federally registered and incontestable trademark related to electromechanical devices on grounds of genericness; summary judgment affirmed by the Sixth Circuit

Honors & Affiliations


  • Dallas / Fort Worth Litigation-Patent, Litigation – Intellectual Property Lawyer of the Year, The Best Lawyers in America® by Woodward/White Inc., 2013, 2017, 2021
  • Top Rated Lawyer in Intellectual Property Law, The American Lawyer, 2021
  • Dallas Technology Law Lawyer of the Year, The Best Lawyers in America® by Woodward/White Inc., 2014, 2016
  • The Best Lawyers in America® by Woodward/White Inc. (Litigation-Intellectual Property, Litigation-Patent, Technology Law), 2005-2021
  • Chambers USA by Chambers and Partners (Intellectual Property Law), 2004-2021
  • Chambers Global by Chambers and Partners (Intellectual Property: Patent), 2020-2021
  • Texas Super Lawyers® by Thomson Reuters (Intellectual Property Litigation, Intellectual Property, Business Litigation), 2003-2020
  • Outstanding IP Litigator – Texas, Managing Intellectual Property® North America Outstanding IP Litigator Awards Shortlist, 2016
  • IAM Global Leaders (United States: Texas), 2021
  • The World’s Leading Patent Practitioners, IAM Patent 1000, 2012-2019
  • Honorary Serjeants of the Inn Award, Dallas-Fort Worth Inn of Court, 2018
  • IP Stars, 2014-2016, 2018
  • Top 100 Overall, Texas Super Lawyers® by Thomson Reuters, 2010-2018
  • Top 100 Dallas/Fort Worth Region, Texas Super Lawyers® by Thomson Reuters, 2010-2018
  • Best Lawyers in Dallas (Intellectual Property: General), D Magazine, 2003, 2005, 2007-2021
  • Best Business Lawyers in Dallas (Intellectual Property), D Magazine, 2009
  • Go-To Lawyer (Intellectual Property Law), “Go-To Guide,” Texas Lawyer, 2007
  • The World’s Leading Patent Litigators, IAM Patent Litigation 250, 2011
  • Who’s Who Legal: Texas (Patents, Trademarks), 2007-2018
  • Marquis Who’s Who in American Law, 2007-present
  • The International Who’s Who of Patent Lawyers, 2011, 2013-2015
  • ICFM Leading Lawyers 500, InterContinental Finance magazine, 2013
  • Lawdragon 500 by Lawdragon Inc., Leading Lawyers in America, 2006


  • Fellow, American College of Trial Lawyers
  • Fellow, Litigation Counsel of America
  • Master, Hon. Barbara M.G. Lynn American Inn of Court
  • Member, Hon. Paul Brown American Inn of Court
  • Member, American Intellectual Property Law Association
  • Member, Federal Circuit Bar Association
  • Life Sustaining Fellow, Texas Bar Foundation
  • Life Fellow, Dallas Bar Foundation
  • Member, Executive Committee of the Institute for Law and Technology, The Center for American and International Law; Member, Board of Trustees, 2017
  • Member, Thompson & Knight Management Committee, 1996-2000, 2004-2007, 2009, 2017
  • Interim Managing Partner, Thompson & Knight LLP, 2009
  • Chair, Board of Trustees, The Greenhill School, Addison, Texas, 2017; Member, Board of Trustees, 2009-present; Chair, Audit and Risk Management Committee; Member, Executive Committee
  • Member, University of Texas at Austin Texas Parents Advisory Board, 2015-2018
  • Member, University of Texas at Austin Longhorn Family Leadership Council, 2017-2019

Education & Admissions


  • J.D., 1981, Emory University School of Law; Member, Editorial Board, Emory Law Journal
  • M.A., 1977, State University of New York at Albany
  • B.A., 1975, cum laude, Union College


  • District of Columbia
  • Massachusetts
  • New York
  • Texas
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. Court of Appeals for the Fifth Circuit
  • U.S. Court of Appeals for the Sixth Circuit
  • U.S. District Court for the Eastern District of Texas
  • U.S. District Court for the Northern District of Texas
  • U.S. District Court for the Southern District of Texas
  • U.S. District Court for the Western District of Texas
  • U.S. Supreme Court