Caldwell Cassady & Curry

3 Best Lawyers awards

Caldwell Cassady & Curry logo

Awarded Practice Areas

Litigation - Intellectual Property Litigation - Patent

Biography

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.

Caldwell Cassady & Curry

3 Best Lawyers awards

Caldwell Cassady & Curry logo

Overview

  • Southern Methodist University, J.D., graduated 2004

  • Texas, 2004
  • Texas, 2004
  • Southern Methodist University, J.D., graduated 2004

Client Testimonials

Awards & Focus

Recognized in The Best Lawyers in America® 2026 for work in:
  • Litigation - Intellectual Property
  • Litigation - Patent
Additional Areas of Practice:
  • Commercial Litigation
  • Litigation - Antitrust
  • Patent Law
  • Bet-the-Company Litigation
  • Technology Law
  • Communications Law
  • Mediation
Awards:
  • Best Lawyers in America
  • Texas Super Lawyers

  • Texas Rising Stars
  • Chambers USA

  • Best Lawyers in Dallas, D Magazine

Case History

Cases
  • Constellation Designs v. LG Electronics
Mr. Curry helped lead the Caldwell Cassady & Curry trial team that won a $1.7 million patent infringement verdict in July 2023 for Constellation Designs against LG Electronics Inc.
The jury in the U.S. District Court for the Eastern District of Texas affirmed Constellation Designs’ patented technology covering crucial elements for the emerging ATSC 3.0 (NextGen TV) standard for television broadcasts.
The award was based on $6.72 per unit for each infringing LG Electronics product the company had sold.
  • VirnetX Inc. v. Apple Inc.
Mr. Cassady is a member of the Caldwell Cassady & Curry team representing VirnetX in the company’s patent infringement litigation against technology giant Apple Inc. In a dispute that the Eastern District of Texas trial court said has attained Dickensian proportions, Caldwell Cassady & Curry has helped VirnetX win favorable verdicts in five separate trials where each jury awarded over $300 million in damages. In late 2012, Mr. Cassady helped VirnetX win a $368 million verdict when a federal jury determined that Apple had infringed four VirnetX patents to produce the VPN On Demand and FaceTime features in the popular iPhone and other Apple products. After the case was sent back for a new trial on damages, we won again by securing a $625 million verdict for VirnetX in February 2016 after jurors in the U.S. District Court for the Eastern District of Texas found that Apple continued to infringe VirnetX’s patents following the first trial to produce the FaceTime and re-designed VPN On Demand features. The jury also found that Apple’s infringement was willful regarding FaceTime and VPN on Demand. The court later vacated its order to consolidate the matters and set the cases for two separate jury trials focusing on different versions of Apple features. In the first new trial heard in September 2016 pertaining to the earlier generations of products, we helped VirnetX win a $302 million verdict against Apple before a new Eastern District jury. The verdict was entered as a $439.7 million judgment in September 2017 and affirmed on appeal by the U.S. Court of Appeals for the Federal Circuit. In the second new trial heard in April 2018 addressing the newer generations of products, a different Eastern District jury awarded a unanimous verdict of $502.6 million in favor of VirnetX after finding Apple’s infringement was willful. After that verdict was sent back for a new trial on damages, a final trial was held in Fall 2020, again in the Eastern District of Texas. In that trial, the firm secured a $502.8 million jury verdict following the Federal Circuit’s affirmance of the 2018 finding that Apple’s VPN On Demand in iOS versions 7.0 and later infringed VirnetX’s patents. The district court later denied Apple’s request for a new trial and entered the jury’s verdict in favor of VirnetX as a final judgment.
  • Dr. Robert Morley v. Square Inc.
Mr. Cassady was a member of the Caldwell Cassady & Curry team that successfully represented Washington University in St. Louis Professor Robert Morley in his lawsuit against Square, Inc., Jack Dorsey, and Jim McKelvey. The lawsuit focused on the defendants' patent infringement and breach of fiduciary duty, misappropriation of trade secrets, exclusion of Dr. Morley from Square, and related business torts after Dr. Morley invented the famous Square credit card reader and helped create the company. The case in the U.S. District Court for the Eastern District of Missouri concluded after the parties reached a mutually agreeable settlement in 2016.

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