JD

Jason D. Cassady

Practicing ip in Dallas since 2004.

22+
Years practicing
1
Bar admission

Practices in

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Jason D. Cassady is an attorney based in Dallas, TEXAS. The practice focuses on IP and Patent. Jason has over 22 years of legal experience. Currently practicing at Caldwell Cassady & Curry.

Based in
Dallas, TEXAS
Experience
over 22 years
Known for
IP · Patent
  • Handles IP and Patent matters from Dallas, TEXAS.
  • Over 22 years of practice as a licensed attorney.
  • Recognized with Best Lawyers in America — Litigation - Intellectual Property (2026).

About Jason D. Cassady: Jason D. Cassady is an attorney based in Dallas, TEXAS. The practice focuses on IP and Patent. Jason has over 22 years of legal experience. Currently practicing at Caldwell Cassady & Curry.

Areas of practice

Practice focus

Jason D. Cassady represents clients in Dallas, Texas across the following areas of law. Each area links to other verified attorneys with the same focus.

Biography

About Jason D. Cassady

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.

Credentials

Education

  • Southern Methodist University

    J.D. · 2004

Jurisdictions

Bar admissions

  • Texas

    2004 · ACTIVE

Recognition

Awards & honors

  • Best Lawyers in America — Litigation - Intellectual Property

    2026

  • Best Lawyers in America — Litigation - Patent

    2026

  • Best Lawyers in America — Additional Areas of Practice:

    2026

  • Best Lawyers in America — Commercial Litigation

    2026

  • Best Lawyers in America — Litigation - Antitrust

    2026

  • Best Lawyers in America — Patent Law

    2026

  • Best Lawyers in America — Bet-the-Company Litigation

    2026

  • Best Lawyers in America — Technology Law

    2026

  • Best Lawyers in America — Communications Law

    2026

  • Best Lawyers in America — Mediation

    2026

  • Best Lawyers in America — Awards:

    2026

  • Best Lawyers in America — Texas Super Lawyers

    2026

  • Best Lawyers in America — Texas Rising Stars

    2026

  • Best Lawyers in America — Chambers USA

    2026

Locations

Office locations

Main office

Caldwell Cassady & Curry

2121 North Pearl Street, Suite 1200

Dallas, Texas 75201

Open in Google Maps

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Client reviews

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Frequently asked

Common questions

  • What areas of law does Jason D. Cassady practice?

    Jason D. Cassady focuses on IP and Patent.

  • Where is Jason D. Cassady located?

    Jason D. Cassady primarily serves clients in Dallas, Texas, with an office at 2121 North Pearl Street, Suite 1200.

  • How experienced is Jason D. Cassady?

    Jason D. Cassady has 22 years of legal practice, having been licensed since 2004.

  • Is Jason D. Cassady a verified attorney?

    Jason D. Cassady's profile is listed but has not yet been claimed by the attorney. Verification status is pending.

  • How can I schedule a consultation with Jason D. Cassady?

    You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 214-888-4848.