Jay K. Tatachar’s practice includes all aspects of intellectual property (IP) litigation and counseling, with an emphasis on complex patent and trademark litigation.

Practice & Background

Mr. Tatachar serves in a variety of capacities for his clients, including drafting dispositive briefs, conducting all aspects of discovery, arguing at Markman, assisting in the preparation of expert reports, and briefing post trial and appellate issues. Mr. Tatachar’s litigation experience involves a diverse group of clients, including clients in the telecommunications, software, consumer device, data management, solid-state memory, and medical device industries.

In addition to IP litigation, Mr. Tatachar has experience preparing inter partes review petitions and arguing before the Patent Trial and Appeal Board (PTAB); assisting in IP due diligence as part of mergers and acquisitions; and counseling clients on IP licensing, risk assessment, and strategy.

Mr. Tatachar received his J.D. from the University of Oklahoma College of Law, where he was an articles editor for the Oklahoma Journal of Law and Technology and was elected to the OU Board of Advocates, a student-run advocacy organization that hosts oral advocacy competitions. He was also inducted into the Order of Solicitors, an honor bestowed on 10 individuals for their achievements in oral advocacy. He received his B.S. in electrical engineering from the University of Texas at Austin in 2006.

Prior to law school, Mr. Tatachar worked for Accenture’s wireless technology consulting practice. While at Accenture, he served in a variety of capacities to enable clients to meet their high-tech wireless needs. Mr. Tatachar also interned for a number of leading semiconductor companies.

Mr. Tatachar is a member of the Dallas office’s Diversity, Associates and Counsel, and Pro Bono committees.

Mr. Tatachar is a member of the State Bar of Texas. He is registered to practice before the United States Patent and Trademark Office.

Representative Matters

Mr. Tatachar’s recent engagements include:

  • successfully obtaining a dismissal on summary judgment on behalf of a major wireless telecommunications service provider and international cell phone manufacturer in patent litigation related to the underlying OFDMA technology in 4G LTE networks (E.D. Tex.) and (N.D. Cal.)
  • successfully representing a global medical device company in invalidating a potential competitor’s patent claims in an inter partes review before the Patent Trial and Appeal Board
  • successfully obtaining a dismissal on summary judgment and Federal Circuit affirmance on behalf of a major personal-computer manufacturer in patent litigation related to data migration software technology (D. Or.)
  • defending an international manufacturer of solid-state drives in patent litigation involving nonvolatile semiconductor memory devices (E.D. Tex.)
  • defending a major wire and cable manufacturer in patent litigation related to the technology used to manufacture and install wire designed to reduce friction during installation (E.D. Tex.)
  • defending a major laptop computer manufacturer in patent litigation related to human-computer interaction technology (E.D. Tex.)
  • defending a major laptop computer manufacturer in patent litigation involving LCD display technology (D. Del.)
  • securing a favorable settlement and dismissal after Markman hearing on behalf of a major telecommunications service provider in patent litigation related to 4G and 3G network interoperability (N.D. Tex.)
  • defending a major IPTV service provider in a patent litigation related to DVR technology (D. Del.)
  • successfully assisting an Eritrean client in obtaining asylum in U.S. immigration court based on human-rights violations
  • successfully assisting a Somali client in obtaining asylum in U.S. immigration court based on human-rights violations.

Community Involvement

Mr. Tatachar’s community, civic and charitable activities include:

  • serving as Vice President and Executive Board member for the South Asian Bar Association, Dallas Chapter
  • working with the South Texas Pro Bono Asylum Representation Project to represent several clients in seeking asylum in U.S. immigration court based on human-rights violations
  • representing pro bono clients through the Medical-Legal Partnership for Children—a partnership between Children’s Medical Center and Legal Aid of Northwest Texasserving as a member of the Dallas Association of Young Lawyers.

Awards and Accolades

  • Texas Super Lawyers – Rising Stars, 2018

Speaking Engagements

  • The IP Year in Review and Judicial Panel, Institute for Law and Technology’s 55th Annual Conference on Intellectual Property Law (Module Chair), Plano, Texas, November 13, 2017
  • Autonomous Vehicles: Navigating the Legal and Regulatory Issues of a Driverless World, Minority Corporate Counsel Global TEC Forum (Panelist), Austin, Texas, April 12, 2018