Seth Reich
Seth Reich is a principal at Caldwell Cassady & Curry who focuses on patent and complex commercial litigation for both plaintiffs and defendants. He has played key roles in cases involving patent and copyright infringement, contract disputes, contested trademarks, trade secret claims, and many others.
Seth has helped clients secure over one billion in verdicts and hundreds of millions in collections with strategic thinking, technical expertise, and extensive courtroom experience. In addition to presenting witnesses and technical experts in multiple trials, he handles case strategies, infringement contentions, expert preparations, depositions, motions, and appeals.
Before law school, Seth interned as a Transmission Planning Engineer at Entergy, where he handled analysis and planning for power transmission systems. That experience, combined with his B.S. in Electrical Engineering from Louisiana State University (magna cum laude) and J.D. from Duke University School of Law (magna cum laude), enables Seth to master technically demanding cases.
Seth’s patent litigation experience covers a wide range of technologies, including semiconductors, analog and digital circuitry, display systems, quantum dot nanoparticles, medical devices, media systems, video streaming, and other software and electronics.
In addition, Seth provides in-depth experience litigating standard-essential patents (SEPs), including fair, reasonable, and non-discriminatory (FRAND) obligations, essentiality determinations, and royalty rate calculations. His SEP-related experience spans ATSC, 3GPP, ITU, IEEE, and ETSI standards, including LTE, 3G, ATSC 3.0 (NextGen TV) technologies.
In addition to working on cases ranked in the National Law Journal’s Verdicts Hall of Fame, Seth has been recognized in the annual Texas Super Lawyers Rising Stars list and Benchmark Litigation’s 40 & Under Hot List for his work in patent lawsuits. He was awarded the Dallas Association of Young Lawyers Pro Bono Service Award in 2018 and was a member of the Dallas Association of Young Lawyers Leadership Class of 2015.
Seth previously interned for the Hon. Jay Zainey in the U.S. District Court for the Eastern District of Louisiana.
Duke University School of Law
J.D., magna cum laude, 2013
Duke Law & Technology Review (Editor)
Kilpatrick Townsend Mock Trial Competition Winner
Twiggs-Beskind Mock Trial Competition (Winner)
Louisiana State University
B.S. electrical engineering, magna cum laude, 2010
Texas Super Lawyers Rising Stars, 2020-present
The National Law Journal, Verdicts Hall of Fame (2021)
#1 U.S. Plaintiffs’ Patent Firm – IAM Patent 1000 – The World’s Leading Patent Professionals
Dallas Association of Young Lawyers Pro Bono Service Award, 2018
Dallas Association of Young Lawyers Leadership Class, 2015
Seth was a member of the Caldwell Cassady & Curry trial team that won a $105 million verdict in April 2025 for patent holder VidStream, LLC, in a long-running lawsuit against social media giant Twitter, Inc., now operating as X Corp.
The trial in the U.S. District Court for the Northern District of Texas focused on VidStream’s U.S. Patent No. 8,464,304, which covers server and client technology designed for the efficient online sharing of videos. Jurors heard evidence for six days before finding that Twitter had not only infringed VidStream’s patent but had done so willfully. The trial court issued a final judgment in November 2025 totaling over $172 million, including prejudgment interest. The case is VidStream, LLC. v. Twitter, Inc., No. 3:16-cv-00764.
Brad Caldwell is a trial lawyer who focuses on patent infringement and complex commercial litigation for both plaintiffs and defendants. His courtroom success before judges, juries, and arbitration panels includes cases involving digital media, telecommunications and computer networking, data security, computer imaging, medical devices, enterprise software, banking technology, and oilfield services.
He has been named “Litigator of the Week” by The American Lawyer magazine two different times based on record-setting patent infringement verdicts against Apple Inc. Those jury awards of $625.6 million and $302 million were ranked as the 6th and 9th largest verdicts in the nation during 2016. The year prior, Caldwell helped Smartflash LLC win a $532.9 million verdict against Apple that was the year’s top Texas verdict and the largest intellectual property verdict in the U.S., ranking third nationwide overall.
Before starting his legal career, Caldwell worked for a year as an electrical engineer at the Central Intelligence Agency in Langley, Virginia, where he obtained a top-secret security clearance and was awarded multiple merit-based citations.
In addition to earning a spot in The Best Lawyers in America since 2016, Mr. Caldwell has been named one of the Lawdragon 500 Leading Lawyers in America since 2014. He also has earned selection to the annual Texas Super Lawyers list since 2015, including being named in 2019 as one of the Top 100 attorneys in Dallas/Fort Worth, and the affiliated Texas Rising Stars list (2006-2009, 2011-2015) based on his work in patent cases. His role in helping a client win a $250 million patent verdict was featured in a 2009 profile article published by Super Lawyers magazine. In 2012, Mr. Caldwell was named a leading U.S. patent litigator by the publishers of The Legal 500, and he previously was honored by D Magazine in its annual listing of the Best Lawyers in Dallas Under 40.
Mr. Caldwell is licensed to practice before all Texas and New York state courts, the U.S. District Courts for the Northern, Southern, Eastern and Western Districts of Texas, the U.S. District Court for the Eastern District of Missouri, the U.S. District Court for the Eastern District of Wisconsin, the U.S. Court of Appeals for the Federal Circuit, and the U.S. Supreme Court.
Prior to the formation of Caldwell Cassady & Curry, Mr. Caldwell was a principal at McKool Smith. At the University of Texas School of Law, he received the Dean’s Achievement Award in Patent Litigation. Before attending law school, Mr. Caldwell earned a degree in electrical engineering from Texas A&M University. He now serves as a member of the electrical engineering department’s External Advisory & Development Council. During an externship from Texas A&M, Mr. Caldwell worked for a year as an electrical engineer at the Central Intelligence Agency in Langley, Virginia, where he obtained a top-secret security clearance and was awarded multiple merit-based citations.
Firm Honors
- Texas Verdicts Hall of Fame (2019) – Texas Lawyer newspaper
- U.S. Firm to Watch (2018) – Managing Intellectual Property magazine
- Texas Intellectual Property Litigation Department of the Year (2017) – Texas Lawyer
- #1 U.S. Plaintiffs’ Patent Firm – IAM Patent 1000 – The World’s Leading Patent Professionals
- Top 100 U.S. Verdicts of 2016 (3 verdicts) – The National Law Journal/VerdictSearch
- #1 Texas Intellectual Property Verdict (2016) – The National Law Journal/VerdictSearch
- Top 50 Recoveries (2015-2016) – The National Law Journal
- Best Law Firms (2017) – The Best Lawyers in America/U.S. News & World Report
- Top Patent Damage Awards Won Since 2000 (2015) – Law360
- Top 100 U.S. Verdicts of 2015 – The National Law Journal/VerdictSearch
- #1 Texas Intellectual Property Verdict (2015) – The National Law Journal/VerdictSearch
Seth Reich
Principal