Counsel registry
Caldwell Cassady & Curry
42 case appearances — 31 as plaintiff counsel · 11 as defendant counsel.
Firm overview
Caldwell Cassady & Curry is a highly regarded Dallas-based intellectual property and business litigation boutique, consistently recognized by Chambers USA for its expertise in high-stakes patent infringement disputes. The firm, comprising around 20 lawyers, maintains a single office in Dallas, Texas, yet actively litigates cases across numerous federal district courts nationwide and before the U.S. Court of Appeals for the Federal Circuit. It is also listed among the "Best Law Firms" for intellectual property and patent trials.
The firm specializes in high-tech patent litigation, handling a diverse range of technologies including electronics, computer science and architecture, signal processing, telecommunications, data security, wireless communications, medical devices, and oilfield technology. Their technical cases often involve complex areas such as semiconductor devices, as seen in Greenthread, LLC v. OmniVision Technologies, Inc. and Greenthread, LLC v. Texas Instruments Incorporated. Many of the firm's attorneys hold advanced degrees in engineering and science, contributing to their deep technical understanding.
Caldwell Cassady & Curry engages in both plaintiff and defendant-side representation, although its public profile and tracked cases show a notable emphasis on prosecuting patent infringement claims. The firm has a strong track record of securing significant plaintiff-side verdicts, having helped clients win over $2.5 billion in verdicts and settlements since its formation in 2013.
The firm is particularly known for its success against major technology companies. Caldwell Cassady & Curry served as lead counsel in multiple VirnetX Inc. v. Apple Inc. patent infringement lawsuits, securing numerous multimillion-dollar verdicts, including a $440 million judgment that was affirmed and paid after the U.S. Supreme Court denied certiorari. Recent notable outcomes include a $445.5 million patent infringement verdict for Collision Communications Inc. against Samsung in October 2025, and a $105 million verdict for VidStream LLC against X Corp. (formerly Twitter) in April 2025. The firm also won a $57 million patent infringement verdict for Midwest Energy Emissions Corp. in March 2024 and secured a $150 million settlement for Nanoco Technologies Ltd. against Samsung in 2023.
Beyond district court litigation, Caldwell Cassady & Curry maintains a significant practice before the Patent Trial and Appeal Board (PTAB). The firm was recognized in the 2025 PTAB Intelligence Report as one of the Top 50 best-performing and most active firms handling PTAB matters, particularly noted for representing patent owners. Key partners in the firm's patent litigation practice include named principals Bradley W. Caldwell, Jason D. Cassady, and J. Austin Curry, who are frequently recognized in industry rankings for their trial accomplishments. Additionally, Adrienne Roberts Dellinger and Robert Seth Reich, Jr. have played counsel roles in tracked patent cases.
Attorneys
Roles
- Lead Counsel50
- Counsel33
- lead counsel27
- Local Counsel9
- counsel7
- Lead Trial Counsel6
- trial counsel6
- Trial Team6
- Trial Counsel6
- Attorney, trial team5
- principal counsel4
- Counsel of record4
- firm principal3
- attorney3
- Principal3
- trial team3
- of counsel2
- lead trial counsel2
- Backup Counsel2
- Principal Counsel2
- back-up counsel2
- associate counsel1
- Lead Counsel (PTAB)1
- Lead Counsel, Lead Trial Counsel1
- Associate Counsel1
- associate1
- Principal, trial team1
Cases (42)
- π plaintiffAdeia Media Holdings LLC et al. v. BAMTech, LLC et al.Bradley W. Caldwell · lead counsel
- π plaintiffAdeia Technologies Inc. et al. v. The Walt Disney Company et al.Brad Caldwell · lead counsel
- π plaintiffAdeia Technologies Inc. v. The Walt Disney Company et al.Bradley W. Caldwell · Lead Counsel
- Δ defendantBerkshire Hathaway Energy Company v. Birchtech Corp. f/k/a Midwest Energy Emissions Corp.Hamad M. Hamad · Principal Counsel
- Δ defendantCERT Operations II LLC et al. v. Birchtech Corp.Bradley W. Caldwell · lead counsel
- π plaintiffGreenthread, LLC v. OmniVision Technologies, Inc.Bradley Wayne Caldwell · Lead Counsel
- Δ defendantGreenthread, LLC v. Texas Instruments IncorporatedBradley Wayne Caldwell · Local Counsel
- π plaintiffIn Re: Midwest Energy Emissions Corp. Patent LitigationBradley W. Caldwell · lead counsel
- π plaintiffMidwest Energy Emissions Corp. et al. v. Ameren Corp. et al.Bradley W. Caldwell · lead counsel
- π plaintiffMidwest Energy Emissions Corp. et al. v. Arthur J. Gallagher & Co. et al.Bradley W. Caldwell · Lead Trial Counsel
- π plaintiffMidwest Energy Emissions Corp. et al. v. Berkshire Hathaway Energy Company et al.Justin Nemunaitis · Lead Counsel
- π plaintiffMidwest Energy Emissions Corp. et al. v. Berkshire Hathaway Energy Company et al.Brad Caldwell · Lead Trial Counsel
- π plaintiffMidwest Energy Emissions Corp. et al. v. CERT Operations II LLC et al.Bradley W. Caldwell · lead counsel
- π plaintiffMidwest Energy Emissions Corp. et al. v. Evergy Kansas Central, Inc.Justin T. Nemunaitis · Lead Counsel
- π plaintiffMidwest Energy Emissions Corp. et al. v. Evergy, Inc. et al.Bradley Wayne Caldwell · Lead Counsel, Lead Trial Counsel
- π plaintiffMidwest Energy Emissions Corp. et al. v. Evergy, Inc. et al.Hamad M. Hamad · lead counsel
- π plaintiffMidwest Energy Emissions Corp. et al. v. MidAmerican Energy Company et al.Brad Caldwell · Lead Trial Counsel
- π plaintiffMidwest Energy Emissions Corp. et al. v. Tucson Electric Power Co. et al.Bradley W. Caldwell · Lead Counsel
- π plaintiffMidwest Energy Emissions Corp. v. Ameren CorporationBradley W. Caldwell · Lead Trial Counsel
- π plaintiffMidwest Energy Emissions Corp. v. Berkshire Hathaway Energy Company et al.Justin Nemunaitis · lead counsel
- π plaintiffMidwest Energy Emissions Corp. v. Evergy Metro, Inc.Bradley Wayne Caldwell · Lead Counsel
- π plaintiffMidwest Energy Emissions Corp. v. Union Electric Co. d/b/a Ameren MissouriBradley Wayne Caldwell · Lead Counsel
- π plaintiffMidwest Energy Emissions Corp. v. Wisconsin Power and Light CompanyBradley Wayne Caldwell · Lead Trial Counsel
- π plaintiffMonticello Enterprises LLC v. Google LLCBradley W. Caldwell · Lead Counsel
- π plaintiffNetlist, Inc. v. Micron Technology, Inc.Jason D. Cassady · Lead Counsel
- Δ defendantPacificorp et al v. Birchtech Corp.Hamad M. Hamad · Lead Counsel
- π plaintiffSoftView, LLC v. Samsung Electronics Co., Ltd. et al.Bradley Wayne Caldwell · Lead Counsel
- Δ defendantUnified Patents Inc. v. Birchtech Corp. f/k/a Midwest Energy Emissions Corp.Hamad M. Hamad · Counsel of record
- Δ defendantUnified Patents v. Radian Memory Systems LLCXu Zhou · Counsel
- Δ defendantUniloc USA, Inc. et al. v. Sony Corporation of America et al.J. Austin Curry · of counsel
- Δ defendantUnion Electric Company v. Birchtech Corp.Richard Cochrane · Lead Counsel (PTAB)
- Δ defendantUnion Electric Company v. Birchtech CorporationHamad M. Hamad · Counsel of record
- Δ defendantUnknown Petitioner v. Birchtech Corp.Hamad Hamad · Lead Counsel
- π plaintiffUntitled caseBradley W. Caldwell · Lead Counsel
- π plaintiffUntitled caseJustin Nemunaitis · lead counsel
- π plaintiffUntitled caseBradley W. Caldwell · Lead Counsel
- π plaintiffUntitled caseBradley Wayne Caldwell · Local Counsel
- π plaintiffUntitled caseBradley W. Caldwell · Lead Counsel
- π plaintiffUntitled caseJonathan K. Waldrop · lead counsel
- π plaintiffUntitled caseBradley W. Caldwell · Lead Counsel
- π plaintiffVirnetX Inc. v. Apple Inc.Bradley W. Caldwell · lead counsel
- Δ defendantWisconsin Power & Light Co. et al. v. Birchtech Corp.Brad Caldwell · lead trial counsel