Bunsow De Mory Smith & Allison

Bunsow De Mory Smith & Allison LLP is a nationally recognized intellectual property litigation and trial boutique firm. Headquartered in Redwood City, California, the firm maintains additional offices in San Francisco, California, and Northern Virginia (Alexandria), with litigators active across the country, including Texas and Washington, DC. Comprising approximately 20 lawyers, Bunsow De Mory is noted for regularly litigating against significantly larger firms. The firm has been ranked as "Highly Recommended" for patent disputes by Managing IP and listed in the Chambers USA guide for Intellectual Property: Patent Litigation.

The firm specializes in patent litigation across a diverse range of complex technologies, including mobile, automotive, telecommunications, artificial intelligence, fintech, life sciences, semiconductors, digital content protection, and methods for nucleic acid sequence analysis. Many of the firm's attorneys possess advanced technical degrees in fields such as electrical, chemical, and biomedical engineering, computer science, and biology. Based on tracked appearances, the firm primarily operates on the plaintiff side, representing IP owners in federal district courts and the ITC to protect and enforce their intellectual property rights against major technology companies.

Notable patent litigation matters include securing a $110 million verdict for TOT Power Control against Apple in 2025 and a $33.8 million jury verdict for ViaTech against Adobe. The firm also represented Ericsson in two patent lawsuits against Apple, leading to a global patent license agreement. While the specific outcome of Orthosie Systems, LLC v. Daimler Trucks North America, LLC (where Bunsow De Mory Smith & Allison served as lead counsel for the plaintiff) is not publicly detailed, Orthosie Systems LLC has been identified as a non-practicing entity (NPE) in related litigation. Overall, the firm reports securing over $250 million in verdicts and settlements within the last two years and more than $400 million in the last four years alone.

Bunsow De Mory also maintains a robust practice before the Patent Trial and Appeal Board (PTAB), having been involved in well over 50 PTAB proceedings for both petitioners and patent owners. The firm's PTAB expertise dates back to the inception of America Invents Act (AIA) reviews in 2012, including filing the very first Covered Business Method (CBM) petition. Patexia recognized Bunsow De Mory as the top-performing law firm at the PTAB from July 2020 to June 2025. Key partners in the firm's IP litigation practice include co-founder and Managing Partner Denise De Mory, and Henry C. Bunsow.