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Jason S. McManis

Jason S. McManis


Jason S. McManis
Direct Line: (214) 888-4844
2101 Cedar Springs Rd.
Suite 1000
Dallas, Texas 75201

University of Virginia School of Law
J.D., 2013

Virginia Law & Business Review
Articles Review Committee

Dartmouth College
B.A. English, 2008

Jason McManis is an attorney at Caldwell Cassady & Curry who focuses on patent infringement disputes and commercial litigation. He has experience working with clients of all sizes in cases involving advanced technologies in the fields of telecommunications and computer networking, data security and enterprise software, data storage and access, mobile payment technology, and medical devices.

Mr. McManis has litigated cases in federal courts across the country. He has significant experience ranging from initial case investigation and analysis through trial and post-verdict motions, including preparing complaints; negotiating discovery plans; writing critical briefs that have led to favorable outcomes for his clients; examining and defending fact and expert witnesses at depositions; preparing key witnesses for trial; and arguing motions and objections to the court. He also works closely with experts in various technical fields, economists, statisticians, and surgeons. Mr. McManis was a key member of the Caldwell Cassady & Curry trial teams that won four substantial verdicts for clients in 2015 and 2016.

Mr. McManis is a graduate of the University of Virginia School of Law, where he was a member of the Virginia Law & Business Review. While at UVA, Mr. McManis successfully completed the National Trial Advocacy College and served as an intern for the Department of Justice’s Antitrust Division and for Sullivan & Cromwell in New York.

Mr. McManis earned his BA in English from Dartmouth College in 2008, where he was a four-year letterman on the varsity baseball team. He is admitted to the Texas State Bar.


Representative Matters

Acantha LLC v. DePuy Synthes Sales, Inc., et al.
Mr. McManis represents Acantha in a lawsuit against DePuy Synthes Sales, Inc., and other Johnson & Johnson companies based on their infringement of Acantha’s patent covering an orthopedic implant for joining bone segments. The case is pending in the U.S. District Court for the Eastern District of Wisconsin.

Cellular Communications Equipment LLC v. Apple Inc.
Mr. McManis was a key member of the trial team in a patent infringement lawsuit against Apple Inc. over a network technology patent. At trial, Mr. McManis managed evidentiary issues for all aspects of the case, including arguing and responding to trial objections on admissibility. In September 2016, after a seven-day trial in the U.S. District Court for the Eastern District of Texas, jurors awarded CCE a $22 million verdict. The award represented a running royalty on Apple’s infringement through March 2016.

Dr. Robert E. Morley v. Square Inc.
Mr. McManis represented Washington University in St. Louis Professor Robert Morley in his lawsuit against Square, Inc., Jack Dorsey, and Jim McKelvey for patent infringement and breach of joint-venture and fiduciary duty, misappropriation of trade secrets, exclusion of Dr. Morley from Square, and related business torts after Dr. Morley revolutionized the mobile payment industry with his invention of the Square card reader.

Smartflash LLC litigation against Apple, Samsung, HTC, Google, and Amazon
Mr. McManis represents Smartflash in its patent infringement actions involving the company’s data storage and access system patents. He examined a number of fact and expert witnesses at depositions, wrote critical motions that led to favorable rulings, and prepared key witnesses for trial, including the inventor. In February 2015, after a six-day trial in the U.S. District Court for the Eastern District of Texas, a jury awarded Smartflash $532.9 million for Apple’s willful infringement of Smartflash’s patents.

VirnetX Inc. v. Apple Inc.
Mr. McManis represents VirnetX in the company’s patent infringement litigation against Apple over the infringement of VirnetX’s network security patents by Apple’s FaceTime, iMessage, and VPN On Demand features. His work has included examining and defending fact and expert witnesses at depositions; handling all aspects of discovery; and preparing key witnesses for trial. In the first trial against Apple in 2012, a jury in the U.S. District Court for the Eastern District of Texas found VirnetX’s patents valid and awarded a $368 million verdict based on Apple’s infringement. After the case was sent back for a new trial on damages, Mr. McManis and other attorneys at Caldwell Cassady & Curry won again; 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 in order to produce the FaceTime, iMessage 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. In the first new trial heard in October 2016, Mr. McManis helped VirnetX win a $302 million verdict against Apple.

VirnetX Inc. v. Microsoft Corp.
Mr. McManis represented VirnetX in its recent patent infringement action against Microsoft involving virtual private network technology. After a jury awarded VirnetX $105 million in 2011, Mr. McManis represented VirnetX in a subsequent action in the U.S. District Court for the Eastern District of Texas related to Microsoft’s Skype technology. The case settled on confidential terms in late 2014.