Our Team
Inventors, research institutes, and technology companies around the world count on Bunsow De Mory to protect and enforce their intellectual property rights by prosecuting and defending patent infringement and trade secret litigation in federal courts and the International Trade Commission, petitioning for and defending against challenges to patents before the PTAB, and formulating and executing on intellectual property license programs. We are a majority women-owned law firm with a diverse team of attorneys and legal professionals. We are committed to maintaining that diversity among our team members, and so we encourage interest from candidates of all genders, nationalities, races, ethnicities, and sexual orientations.
Our Practice Areas
We succeed with a combination of legal, technical, and strategic expertise.
Our trial lawyers have and continue to handle some of the most important patent, trade secret and trademark cases across the globe. We are a preeminent boutique law firm in Silicon Valley with a diverse team, most of whom have advanced degrees and/or work experience in science or engineering, including electrical engineering, chemical engineering, biomedical engineering, computer science, and biology.
Our Practice areas include: Patent Litigation, Patent Trial & Appeal Board, Trade Secret Litigation, Trademark Litigation, Copyright Litigation, Commercial Litigation, Privacy & Data Security, Technology Agreements
About Us
We are experienced technologists and litigators, passionate about innovation.
Our attorneys know what matters, and are uniquely poised to offer advocacy and strategic counseling in intellectual property, trade secret, data security & privacy matters.
From bet-the-company patent litigation, to advice on evolving data security practices:
Bunsow De Mory delivers.
Learn more about our firm: Pro Bono, Careers, Contact us, Awards & Recognition
Helping Companies Power
Tomorrow’s Innovations
Recent News & Events
Bunsow De Mory Partner James Wilson Unveils Data Analytics Sites Tracking Discretionary Denial Requests in IPR and PGR Proceedings
Firm partner James Wilson, an experienced patent litigator and PTAB practitioner, has created several PTAB Discretionary Denial Dashboards that provide big picture and detailed analytics on the discretionary denial process at the U.S. Patent and Trademark...
Jerry Tice Named To Benchmark Litigation’s 40 & Under List
Bunsow De Mory is pleased to announce that Jerry D. Tice II has been named to Benchmark Litigation’s 40 & Under list of excellent young trial lawyers. The publication highlights Jerry’s outstanding work in intellectual property litigation across the country....
Bunsow De Mory Named One of Law360’s Legal Lions of the Week for Securing $110.7 Million Jury Verdict
Law360, an industry-leading legal publication, named Bunsow De Mory one of its Legal Lions of the Week, in recognition of the firm’s sweeping victory in a patent infringement lawsuit against Apple. Bunsow De Mory represents TOT Power Control, S.L., a...
Bunsow De Mory Secures Jury Verdict of $110.7 Million for Client TOT Power Control, S.L. In Patent Infringement Case Against Apple, Inc.
A trial team from Bunsow De Mory, led by Managing Partner Denise De Mory, secured a sweeping victory for client TOT Power Control, S.L. against Apple, Inc. in a patent infringement lawsuit in federal district court in Delaware. Bunsow De Mory worked with...
Denise De Mory Named To The Daily Journal’s List of Top Intellectual Property Lawyers
Bunsow De Mory is pleased to announce that the Daily Journal named founder and managing partner Denise De Mory to its list of top intellectual property lawyers in California in 2025.
IAM Reports Bunsow De Mory “Punches Above Its Weight” at the PTAB
IAM News recently featured Bunsow De Mory in an article titled This California IP Firm is Punching Above Its Weight.IAM News reported that in 2024, Bunsow De Mory ranked second among law firms that defend patent owners before the Patent Trial and Appeal Board...
Bunsow De Mory Sponsors Licensing Executive Society Annual Silicon Valley Chapter Conference
Bunsow De Mory is proud to be sponsoring the annual chapter conference of the Licensing Executive Society-Silicon Valley Chapter. Firm partner Michael Zachary is Chair of the LES-SVC's Program Committee and will be participating in the conference.The all-day...
Bunsow De Mory Secures Critical Victory for Client Inmar Brand Solutions In Patent Infringement Battle Against Competitor Quotient Technology
February 24, 2025—Inmar Brand Solutions, Inc. notched a significant win over competitor Quotient Technology Inc. when the Patent Trial and Appeal Board refused to institute an inter partes review of U.S. Patent No. 10,846,729 (“the ‘729 Patent”), one of three patents...
Denise De Mory and Li Guo Publish Review of the Federal Circuit’s August 2024 Decisions in Law360
Bunsow De Mory founder and managing partner Denise De Mory and firm Counsel Li Guo published in Law360 a review of the Federal Circuit’s key decisions handed down in August 2024. These Federal Circuit decisions provide helpful clarity on obviousness-type double...
Michael Flynn-O’Brien named Benchmark Litigation Star
Bunsow De Mory is pleased to announce that Michael Flynn-O'Brien has been named a Litigation Star by Benchmark Litigation 2025. The publication highlights Michael's outstanding work in intellectual property litigation across the country. Benchmark Litigation is a...
Denise De Mory and Li Guo Publish Review of the Federal Circuit’s July 2024 Decisions in Law360
Bunsow De Mory founder and managing partner Denise De Mory and firm Counsel Li Guo published in Law360 a review of the Federal Circuit’s key decisions handed down in July 2024. These Federal Circuit decisions clarified the scope of the estoppel provision set forth in...
Bunsow De Mory Welcomes Wayne Helge and James T. Wilson
Bunsow De Mory is pleased to announce that our team has expanded to include new partners Wayne Helge and James T. Wilson. Wayne Helge is a Registered Patent Attorney and represents clients in all aspects of patent and intellectual property law, including litigation,...
Denise De Mory and Li Guo Publish Review of the Federal Circuit’s June 2024 Decisions in Law360
Bunsow De Mory founder and managing partner Denise De Mory and firm Counsel Li Guo published in Law360 a review of the Federal Circuit's key decisions handed down in June 2024. These decisions highlighted a potential path for branded drugmakers to sue generic-drug...
Seven Bunsow De Mory Partners Named Northern California Super Lawyers, Plus One Rising Star
Bunsow De Mory is proud to announce that partners Denise De Mory, Elizabeth Day, Michael Zachary, Corey Johanningmeier, Michael Flynn-O'Brien, Aaron Hand, and Richard Lin were named Northern California Super Lawyers in 2024 and senior associate Hillary Bunsow was...
Denise De Mory Named To Chambers and Partners USA Guide
Chambers and Partners selected Denise De Mory to be included in the 2024 USA Litigation Guide for Intellectual Property—Patent Litigation. This marks Denise’s fourth consecutive year in the Chambers Guide. Clients shared praise of Denise with Chambers: "Denise has...
Bunsow De Mory Named To Chambers and Partners USA Guide
Bunsow De Mory is proud to announce that Chambers and Partners has included the firm in its 2024 USA Litigation Guide for Intellectual Property—Patent Litigation. This is the firm’s first selection for the Chambers Guide. "The team's ability to quickly ascertain...
Denise De Mory and Li Guo Publish Review of the Federal Circuit’s May 2024 Decisions in Law360
Bunsow De Mory founder and managing partner Denise De Mory and firm Counsel Li Guo published in Law360 a review of the Federal Circuit's key decisions handed down in May 2024. The article discusses the Federal Circuit's decisions on a variety of issues in patent...
Denise De Mory and Li Guo Publish Review of Federal Circuit’s April 2024 Decisions in Law360
Bunsow De Mory founder and managing partner Denise De Mory and firm Counsel Li Guo published in Law360 a review of the Federal Circuit's key decisions handed down in April 2024. The article discusses the Federal Circuit's decisions on a variety of common issues in...
Denise De Mory Named To The Daily Journal’s List of Top Intellectual Property Lawyers
Bunsow De Mory is pleased to announce that the Daily Journal named founder and managing partner Denise De Mory to its list of top intellectual property lawyers in California in 2024.
Bunsow De Mory Secures Critical Early Victory for Client Inmar Brand Solutions In Patent Infringement Lawsuit Against Competitor Quotient Technology
Inmar Brand Solutions, Inc. overcame an early hurdle in its patent infringement lawsuit against competitor Quotient Technology Inc. when the court denied Quotient’s motion to dismiss under Section 101 of the federal patent statute. Judge John F. Murphy, a Pennsylvania...
Denise De Mory and Li Guo Publish Review of Federal Circuit’s March 2024 Decisions in Law360
Bunsow De Mory founder and managing partner Denise De Mory and firm Counsel Li Guo published in Law360 a review of the Federal Circuit's key decisions handed down in March 2024. The article discusses the Federal Circuit's decisions on a variety of common issues in...
Corey Johanningmeier Ranked Among Top 100 Best Performing and Top 250 Most Active PTAB Attorneys
Corey Johanningmeier has been ranked among the 2023 Top 100 Best Performing and Top 250 Most Active PTAB Attorneys by Patexia. Patexia evaluates all PTAB proceedings to find the top attorneys and law firms based on their activity and performance before the PTAB....
Denise De Mory Ranked Among Top 250 Most Active PTAB Attorneys
Denise De Mory has been ranked among the 2023 Top 250 Most Active PTAB Attorneys by Patexia. Patexia evaluates all PTAB proceedings to find the top attorneys and law firms based on their activity and performance before the PTAB. Patexia’s list showcases attorneys and...
Denise De Mory, Mike Flynn-O’Brien, and Li Guo Author Article for Chambers and Partners USA’s Doing Business in… 2023 Guide
BDIP’s Denise De Mory, Michael Flynn-O'Brien, and Li Guo contributed to Chambers and Partners’ Global Practice Guides: Doing Business In... 2023 - USA – California. This article focuses on what you need to allege to state a claim for trade secret misappropriation in...
Denise De Mory Named a 2023 Top IP Strategist by IAM Strategy 300
IAM Strategy 300 has named Denise De Mory a Top 300 IP Strategist 2023. Since its inception, IAM Strategy 300 has showcased the top experts in the IP world. It is the only resource of its kind, acknowledging leaders from across in-house, private practice and service...
Aaron Hand Recognized by Best Lawyers for 2024
We are pleased to announce that Aaron Hand, Partner, has been recognized in the 2024 edition of The Best Lawyers in America® for intellectual property litigation. The Best Lawyers ranking is based on peer-reviews from other attorneys within the...
Henry Bunsow Recognized by Best Lawyers for 2024
We are pleased to announce that Henry Bunsow, Partner, has been recognized in the 2024 edition of The Best Lawyers in America® for intellectual property litigation. The Best Lawyers ranking is based on peer-reviews from other attorneys within the...
Denise De Mory Recognized by Best Lawyers for 2024
We are pleased to announce that Denise De Mory, Managing Partner, has been recognized in the 2024 edition of The Best Lawyers in America® for intellectual property litigation. The Best Lawyers ranking is based on peer-reviews from other attorneys within the same...
Hillary Bunsow Named One of Best Lawyers’ Ones to Watch 2024
Best Lawyers has named Bunsow De Mory senior associate Hillary Bunsow to their 2024 ”Ones to Watch” list. This is an award recognizing the accomplishments of standout lawyers who are earlier in their careers for outstanding professional excellence in their private...
Li Guo Named One of Best Lawyers’ Ones to Watch 2024
Best Lawyers has named Bunsow De Mory Counsel Li Guo to their 2024 ”Ones to Watch” list. This is an award recognizing the accomplishments of standout lawyers who are earlier in their careers for outstanding professional excellence in their private practice in America....
Jury Returns $33.8 Million Verdict for Bunsow De Mory Client ViaTech Technologies Inc. In Patent Infringement Case Against Adobe Inc.
A trial team from Bunsow De Mory secured a sweeping victory for client ViaTech Technologies Inc. against Adobe Inc. in a patent infringement lawsuit in federal district court in Delaware. After a four-day trial in September 2023, the jury returned a verdict for nearly...
Mike Flynn-O’Brien and Li Guo Speak at Seminar on the “Legal Risks and Startup Strategic Planning with the Advent of AI” in Taiwan on September 21, 2023.
BDIP attorneys Mike Flynn-O’Brien and Li Guo spoke at a seminar on the “Legal Risks and Startup Strategic Planning with the Advent of AI,” on September 21st, 2023, in Taipei, Taiwan. The seminar was organized by Opes IP Consulting Co., Ltd. and OPES Law, P.C., a team...
Henry Bunsow Named 2023 Northern California Super Lawyer
Bunsow De Mory is pleased to announce that Henry Bunsow has been named to the 2023 Northern California Super Lawyers list. Super Lawyers is an annual publication that recognizes outstanding attorneys who have attained the highest degree of peer recognition and...
Denise De Mory Named 2023 Northern California Super Lawyer
Bunsow De Mory is pleased to announce that Denise De Mory has been named to the 2023 Northern California Super Lawyers list. Super Lawyers is an annual publication that recognizes outstanding attorneys who have attained the highest degree of peer recognition and...
Aaron Hand Named 2023 Northern California Super Lawyer
Bunsow De Mory is pleased to announce that Aaron Hand has been named to the 2023 Northern California Super Lawyers list. Super Lawyers is an annual publication that recognizes outstanding attorneys who have attained the highest degree of peer recognition and...
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