Maschoff Brennan

Maschoff Brennan is a full-service intellectual property and commercial litigation firm headquartered in Park City, Utah, with additional offices in Salt Lake City, New York City, and California (San Francisco, Orange County/Irvine, and Los Angeles). With over 45 attorneys, it operates as a prominent regional intellectual property boutique with national reach. Chambers USA's 2025 guide recognizes Maschoff Brennan as a Band 1 firm for Intellectual Property in Utah, and it holds a National Tier 3 ranking in the Best Law Firms 2025 report for both Litigation – Intellectual Property and Litigation – Patent.

The firm's IP litigation practice specializes in a broad range of technology areas, notably information technology, software, telecommunications, and consumer electronics, as evidenced by its work on cases such as Dish Technologies L.L.C. et al. v. Eastlink and IOT Innovations LLC v. Vivint, Inc. Their technical expertise extends to complex areas including semiconductors, medical devices, networking technologies, and various aspects of computer science and electrical engineering. Maschoff Brennan represents clients across all stages and sides of intellectual property disputes, including enforcing patents against large corporations and defending against patent infringement allegations. While the firm's tracked cases show a tendency toward defendant-side representation (5 defendant, 2 plaintiff), it actively engages in both offensive and defensive patent litigation.

Maschoff Brennan is also highly active in post-grant proceedings before the U.S. Patent and Trademark Office (USPTO), including Inter Partes Review (IPR) and Post-Grant Review (PGR). The firm was recognized in Patexia's 2025 PTAB Intelligence Report, ranking as the #9 Best Performing Law Firm overall and #17 Best Performing Law Firm for Patent Owners. Notable cases include defending Vivint, Inc. in IOT Innovations LLC v. Vivint, Inc., leading defense counsel for Vidgo, Inc. in DISH DBS Corporation et al. v. Vidgo, Inc., and representing plaintiff Dish Technologies L.L.C. in Dish Technologies L.L.C. et al. v. Eastlink. The firm previously served as sole litigation counsel for Largan Precision in district court litigation against Motorola Mobility concerning compact optical lens assemblies.

Key partners in the patent litigation practice include R. Parrish Freeman, an experienced litigator recognized for his work in patent, trademark, and ITC investigations, and L. Rex Sears, Ph.D., who specializes in complex IP disputes involving computer systems, software, and mechanical engineering. Founding partner Eric L. Maschoff is also a recognized leader in patent and trademark matters. Jim Lundberg, an Of Counsel attorney, brings substantial in-house and complex litigation experience, particularly in intellectual property.