Daniel R. Pearson

Daniel R. Pearson is a Principal at the Dallas-based intellectual property and business litigation firm Caldwell Cassady & Curry, focusing his practice on complex commercial litigation and high-stakes patent infringement disputes. He primarily represents patent holders, with ten tracked appearances on the plaintiff side compared to one on the defendant side. His experience spans various technologies, including network security (such as Wi-Fi standards and VPN on Demand), video conferencing, dating applications, electronic checking transfers, data storage and access systems, dynamically configurable computer processors, web server efficiency, and systems for online video sharing and fighting data piracy. Additionally, he has worked on cases involving industrial technologies like mercury emissions control for coal-burning power plants and optics and lighting technology.

Pearson has played a key role in numerous notable patent infringement cases resulting in significant verdicts for his clients. He was part of the trial teams that secured multi-million dollar judgments for VirnetX Inc. against Apple Inc., including verdicts of $502.8 million in October 2020, and earlier awards of $625 million and $302 million in 2016. He also contributed to a $532.9 million jury award for Smartflash LLC against Apple in February 2015, which included a finding of willful infringement. More recently, Pearson was a member of the trial team that obtained a $105 million verdict for VidStream, LLC against Twitter, Inc. (now X Corp.) in April 2025, leading to a final judgment of over $172 million. He was also involved in the Caldwell Cassady & Curry team that won a $57 million patent infringement verdict for Midwest Energy Emissions Corp. in 2024 (published in 2025), related to mercury emissions control technology.

While his individual profile does not explicitly detail direct appearances in Patent Trial and Appeal Board (PTAB) proceedings, his firm, Caldwell Cassady & Curry, has experience with such challenges, notably in a case for ZitoVault where Apple mounted a challenge before the PTAB, and in VirnetX v. Apple where PTAB decisions on inter partes reexaminations were appealed to the Federal Circuit.

Pearson is admitted to practice in Texas state courts and the U.S. District Courts for the Southern, Eastern, and Western Districts of Texas. He earned his J.D., magna cum laude, from Southern Methodist University Dedman School of Law in 2009, where he was an Articles Editor for the SMU Law Review Association. He holds a B.A. in English, summa cum laude, from Oklahoma Baptist University, awarded in 2005.