Andy Ehmke


Education and Clerkships

J.D., University of Dayton, 1999

B.S., Computer Science, Michigan State University, 1996



U.S. Patent and Trademark Office

Court Admissions

U.S. Court of Appeals for the Federal Circuit, 2016


Andy Ehmke is primary counsel for many high-profile technology companies in inter partes review (IPR) proceedings before the U.S. Patent Trial and Appeal Board. His practice spans nearly 20 years, during which he has guided clients through licensing and technology development, intellectual property litigation, Federal Circuit appellate arguments, and patent portfolio development.

Andy is also the firm’s Chief Information Partner overseeing the firm’s technology and cybersecurity strategies and a member of the firm’s board of directors. Andy has a degree in computer science, and has previously worked as an information systems consultant and as a software developer for hand-held computing devices. His technical areas of experience include software, networking, cloud-based computing and services, mobile devices and computing hardware. Andy continues software development as a hobby, and has co-written and developed Haynes and Boone’s proprietary software for tracking, managing, and docketing IPR proceedings at the PTAB.

Professional Recognition

  • Recognized by Benchmark Litigation, Euromoney Institutional Investor PLC, as a "Future Star," 2018.
  • Recognized as a highly recommended "IP Star" by Managing IP Magazine, Euromoney Legal Media Group, 2012-2015.

Professional and Community Activities

  • State Bar of Texas, Intellectual Property Law Section
  • PTAB Bar Association


Managing Intellectual Property magazine

Managing IP Magazine Praises Haynes and Boone IP Practice and Lawyers

Six Haynes and Boone, LLP partners have been named IP Stars, and the Intellectual Property Department has been voted to the top Texas tier in the IP Stars ranking by Managing Intellectual Property magazine. The magazine also ranked the firm nationally for its litigation work at the USPTO’s Patent Trial and Appeal Board (PTAB).

Published by Euromoney Institutional Investor PLC in July 2015

Patent Trials

Firms Claim Bragging Rights in New Field of Patent Litigation

Firms Claim Bragging Rights in New Field of Patent Litigation

Haynes and Boone has persuaded the PTAB to institute inter partes review in 72 cases—the most for any law firm according to an analysis of Lex Machina’s new PTAB database. Haynes has been turned away without a trial only three times. Even in light of the PTAB’s willingness to launch IPR proceedings, Haynes and Boone’s 96 percent success rate is exceptionally high...

Selected Publications and Speeches

  • “2018 PTAB Update, co-presenter, Rocky Mountain Intellectual Property & Technology Law Institute, May 31, 2018.
  • "Making Sense of the Patchwork of Cybersecurity Laws: What is Reasonable?" co-panelist, 31st Annual Advanced Intellectual Property Law Conference, February 7, 2018.
  • "The Future of Patent Litigation and the PTAB," co-panelist, 4th Annual Corporate IP Strategy Conference, Santa Clara University, November 16, 2017.
  • “PTAB Proceedings: New Rules and Key Practice Tips,” moderator, UT Advanced Patent Law Institute, November 3-4, 2016.
  • “Patent Trial and Appeal Board Mock Trial,” co-presenter, 29th Annual Advanced Intellectual Property Law, Texas State Bar, San Antonio, TX, February 18-19, 2016.
  • “Interplay of IPR and Litigation,” co-presenter, Advanced Patent Litigation Course, July 23, 2015.
  • “Inter Partes Review Proceedings,” co-author, State Bar of Texas Annual Meeting, June 18-19, 2015.
  • “Litigation Update – IPR Proceedings,” co-presenter, AIPLA 2015 Electronic & Comp Patent Law Summit, June 16, 2015.
  • Inter Partes Review in Patent Disputes," author, Corporate Disputes Magazine, July-September, 2014.
  • “Cyber Security: Protecting Client Confidential Information," co-presenter, 31st Annual Advanced Business Bankruptcy Course, Texas State Bar, Houston, TX, February 20, 2014.
  • “Federal Circuit Appeals From the PTAB: A New Game or Just the Same Old Practice," author, Journal of the Patent & Trademark Office Society, November 22, 2013.
  • “IPRs and CBMs: Lessons Learned (So Far),” presenter, 51st Annual Conference on Intellectual Property Law, November 11-12, 2013.
  • “America Invents Act: A Shift in Leverage?” presenter, 12th Annual Advanced In-House Counsel Course, Aug. 1-2, 2013.
  • “Implications of the America Invents Act,” presenter, UT School of Law 26th Annual Technology Law Conference, May 23-24, 2013.
  • “Federal Circuit Appeals From the PTAB: A New Game or Just the Same Old Practice?" co-author, Haynes and Boone White Paper, February 1, 2013.
  • "Five Top Takeaways of the America Invents Act for Technology and Business Lawyers," speaker, UT School of Law 25th Annual Technology Law Conference, Austin, TX, May 24-25, 2012.
  • "Intellectual Property Protection for the Cloud," author, Lexology, April 9, 2012.
  • "Qimonda's Impact on Patent Licenses When a Licensor Goes Bankrupt in a Foreign Land," co-author, Lexology, January 9, 2012.
  • "The Story Behind S.978, the Controversial Streaming Bill," quoted, Giant Bomb News, July 15, 2011.
  • "PSN Hacked: What Sony's Security Breach Means for You (And What Comes Next)," quoted, Giant Bomb News, April 27, 2011.
  • "Annual Review of Litigation, Chapter 3: Appellate Practice," contributor, American Bar Association, Section of Business Law, April 2011.
  • "Privacy: Problems and Solutions," speaker, Game::Business::Law International Summit on the Law of Business of Video Games, Dallas, TX, January 26-27, 2011.
  • "Legal Issues in Digital Distribution," moderator, Game::Business:Law, International Summit on the Law and Business of Video Games, March 16, 2010.
  • "Innovation Fee: Surcharge on U.S. Patent & Trademark Protection," co-author, Lexology, February 5, 2010.
  • Editor of the video game law blog Lawyers in a Gamer's World (

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