Atty. Jason D. Cassady
Jason Cassady is a principal at Dallas’ Caldwell Cassady & Curry who focuses on intellectual property litigation and complex commercial litigation. Mr.
Profile Summary
About Jason D. Cassady at a glance
Jason D. Cassady is a patent and ip attorney based in Dallas, Texas, practicing at Caldwell Cassady & Curry. They have 22+ years of legal experience, licensed to practice since 2004. Admitted to practice in Texas (2004). Educated at Southern Methodist University (J.D., 2004). Recognitions include Best Lawyers in America — Litigation - Intellectual Property (2026), Best Lawyers in America — Litigation - Patent (2026), and Best Lawyers in America — Additional Areas of Practice: (2026). Serands clients in Dallas, TX and the surrounding metropolitan area.
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About
- 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 drill bit technology, balloon angioplasty catheters, and electronic checking
- Throughout his practice, Mr. Cassady has been trial counsel on over 5 verdicts that were recognized as “Top 100” Verdicts in the United States
- In 2015, Mr. Cassady and other firm attorneys won a $533 million patent infringement verdict for firm client Smartflash LLC against technology giant Apple Inc. in the U.S
- District Court for the Eastern District of Texas
- Verdicts and Settlements: Smartflash Litigation VirnetX Inc. v
- Apple Inc. VirnetX v
- Microsoft Corp. Bedrock Computer Techs v
- Google Inc. VirnetX v
- Mitel, et al
- Dr. Robert Morley v
- Square Inc. Anascape, Ltd. v
- Nintendo, et al
- Opti Inc. v
- Apple Inc. Medtronic Vascular Inc. v
- Boston Scientific, et al
- Varel International Independent LP
- US Synthetics Corporation Eckhard U. Alt v
- Medtronic Inc. Nortel Networks American Video Graphics v
- Electronic Arts, et al
- Hewlett-Packard, et al
- Microsoft
- Sony Online Entertainment Inc., et al. i4i Limited Partnership v
- Microsoft Corp
Practice Areas Explained
Jason D. Cassady's Areas of Practice
Each practice area below reflects the types of cases Jason D. Cassady handles, with a brief overview of what that area of law covers.
Jason D. Cassady is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Texas →
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
Jason D. Cassady is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Texas →
Jurisdictional Context
Why local counsel matters in Texas
Practicing law in Texas. Legal matters in Texas are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Dallas are typically filed in the local municipal court or the appropriate Texas state district court, depending on subject matter and amount in controversy. An attorney licensed in Texas brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Texas courts without local counsel or pro hac vice admission.
Looking for additional Texas attorneys? Browse all attorneys in Dallas or all attorneys in Texas.
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