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Best Lawyers in Texas, United States for Litigation - Patent
Corporate Law & Commercial Litigation Legal Guide 2025
View Legal GuideAllan Bullwinkel’s practice focuses on patent litigation related to computer and electrical engineering technologies in federal district courts and inter partes review at the U.S. Patent Trial and Appeal Board. He also handles cases involving patent-related antitrust litigation and IP-related appeals before the Federal Circuit. With an engineering degree and many years of prior work experience as an engineer, Mr. Bullwinkel brings a robust understanding of technical issues and an abilit...
Jeannie Heffernan is an experienced trial lawyer who leads Kirkland’s IP litigation practice in Texas. She has won more than a dozen patent infringement trials in federal district courts across the country and at the International Trade Commission, with victories affirmed at the Federal Circuit. She represents clients in a wide range of fields, including computer networking, telecommunications, cryptography, semiconductors, and medical devices. Jeannie has particular experience leading ...
Joe Cleveland has practiced in the area of commercial and intellectual property litigation for over 30 years. He has extensive trial and appellate experience representing entrepreneurs, inventors, and private and publicly-traded companies. His practice includes a broad range of complex commercial litigation involving patent, copyright, trademark, trade secrets, antitrust, contracts, employment, oil and gas, securities, and other commercial matters. He has tried cases in both state and federal...
Jonathan P. Osha is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent and Patent Law. Jonathan P., who practices law in Houston, Texas, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jonathan P. is held by other top lawyers in the same geographic and legal practice area.
Amir Alavi handles complex commercial litigation throughout the world with a particular focus on intellectual property cases. IAM Patent 1000 – The World’s Leading Patent Professionals describes him as an “unflappable advocate that you can greenlight for a billion-dollar case with 100% confidence,” and a “judicious strategist” with an “acute sense of how to present a damages case.” He’s been recognized for his intellectual property work by...
An accomplished trial lawyer, Darren Nicholson has been trying cases in state and federal courts for more than twenty years. After beginning his career at Arnold & Porter LLP in Washington D.C., one of the country’s premier law firms, he returned to Dallas in 2008 and became a partner at the nationally-recognized trial boutique Sayles Werbner PC. Darren joined Burns Charest LLP in 2019 with one goal in mind – to help build one of the premier trial firms in the country. Darren&...
Tony Magee is an Oxford-educated, former English barrister, who has practiced law in Dallas since 1993. Before that, he practiced for nine years at the Chancery Bar in London. Tony focuses on the practice of intellectual property litigation and complex commercial litigation on both the plaintiff and defense sides. His experience includes patent infringement litigation in many technological areas, including telecommunications, including the field of inmate telephone systems, medical devices, s...
William M. Parrish is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Litigation - Intellectual Property, Litigation - Patent and Mediation. William M., who practices law in Austin, Texas, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William M. is held by other top lawyers in the same geographic and legal practice area.
Aaron G. Fountain is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Aaron G., who practices law in Austin, Texas, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Aaron G. is held by other top lawyers in the same geographic and legal practice area.
Jason Cassady is a principal at Dallas’ Caldwell Cassady & Curry who focuses on intellectual property litigation and complex commercial litigation. Mr. Cassady provides clients with extensive federal trial experience, including courtroom victories in patent cases involving diverse technologies such as secure computer networking, integrated circuits, video game controllers, and computer operating systems. He also has represented parties on both sides of the aisle in areas such as dri...
Barry K. Shelton is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent. Barry K., who practices law in Austin, Texas, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Barry K. is held by other top lawyers in the same geographic and legal practice area.
Jerry Harris’ practice covers a broad and complex range of intellectual property issues with a primary focus on patents and trademarks. His straightforward yet persuasive communication style is key to understanding what his clients want and helping them achieve their desired goals. With substantial experience representing both patentees and alleged infringers, Jerry possesses a unique perspective regarding IP litigation. He has also developed a significant trademark practice advising cl...
Our Methodology
Recognition by Best Lawyers is based entirely on peer review. Our methodology is designed to capture, as accurately as possible, the consensus opinion of leading lawyers about the professional abilities of their colleagues within the same geographical area and legal practice area.
The Process
Best Lawyers employs a sophisticated, conscientious, rational, and transparent survey process designed to elicit meaningful and substantive evaluations of the quality of legal services. Our belief has always been that the quality of a peer review survey is directly related to the quality of the voters.