Keyna Chow’s practice focuses on intellectual property. She represents companies in a wide range of industries and technologies, including computer software, web browser and search, instant communications, optical communications, semiconductors, consumer products, medical devices, pharmaceutical, and biotechnologies. She is experienced at different stages of patent litigations in district courts and the ITC, including pre-suit investigations, pleadings, motion practice, discovery, claim construction, expert reports, conferences with opposing counsel, and taking and defending depositions of corporate and expert witnesses.
Keyna also has extensive experience in all stages of inter partes review proceedings before the Patent and Trial Appeal Board (PTAB). Her experience spans all aspects of both bringing and defending against inter partes review petitions from drafting petitions, preliminary responses, and post-institution briefing and expert reports, to taking and defending depositions, and arguing before the PTAB.
Keyna regularly advises companies on offensive and defensive IP strategies. She counsels companies preparing for licensing negotiations, and advises on complex licensing and contractual issues. She has also worked on matters involving trade secrets, copyright, and trademark.
Keyna maintains an active pro bono practice. Her matters include securing a restraining order for a domestic violence victim, an asylum status for an Internet censorship activist, and a guardianship for a minor on behalf of his grandfather.
In law school, Keyna participated in the New Business Counseling Practicum, where she advised a non-profit organization on employment and business entities issues. She also presented at the World Wide Web Consortium (W3C) workshop on web tracking and user privacy on behalf of the Samuelson Law, Technology & Public Policy Clinic.
Before law school, Keyna worked as a senior consulting analyst at Accenture, where she provided technology consulting services to eBay and Chevron. Keyna has a Bachelor of Science degree in bioengineering.
- Lumenis Be. Ltd v. BTL Healthcare Technologies A.S. (PTAB) – Representing Lumenis in challenging a patent portfolio related to electrical stimulation of muscles for muscle toning.
- Palo Alto Networks, Inc. v. Centripetal Networks (PTAB) – Representing Palo Alto Networks in challenging a patent portfolio related to packet filtering.
- Natera, Inc. v. Genosity (D. Del.) – Represented Genosity in a litigation brought by Natera concerning genetic testing kits in the District of Delaware.
- Natera, Inc. v. ArcherDX, Inc. (D. Del.) – Represented ArcherDX in patent infringement litigations filed by Natera relating to methods of amplifying and sequencing cell-free DNA in the District of Delaware.
- Dolby Laboratories Inc. v. Intertrust Technologies Corp. (PTAB, ND California) – Representing Dolby in a declaratory judgement action, and challenging the validity of patents relating to audio/video processing systems.
- Samsung Electronics Co., LTD, and Samsung Electronics America, Inc., v. Ultravision Technologies, LLC (PTAB) – Represented Samsung in challenging patents related to large-format modular display systems in multiple IPR proceedings. These matters favorably settled pre-trial.
- Baxter Corp v. An American Medical Technology Company (PTAB) – Successfully defended an American medical technology company in denying PTAB IPR trial institutions on four of its patents relating to antimicrobial medical valves and assemblies.
- An American Medical Technology Company v. Baxter Corp. (PTAB) – Successfully invalidated all claims of patents relating to automated methods of preparing pharmaceutical dosages in IPR trials.
- SuperCell Oy v. Gree Inc. (PTAB) – Successfully defended three patents directed to MMORPG player classification and matching. Institutions denied.
- SuperCell Oy v. Gree Inc. (PTAB) – Successfully defended virtual reality patent. Institution denied.
- A leading multinational technology company v. Spring Ventures LTD (PTAB, Federal Circuit) – Successfully challenged Spring Ventures patent directed to software interfaces, resulting in the cancellation of all challenged claims, and defeating a motion to amend; affirmed on appeal before the Federal Circuit.
- CPI Card Group Inc. v. Multi Packaging Solutions, Inc. (PTAB, D. Colo., Federal Circuit) – Successfully invalidated all claims of a patent involving packaging technology in an IPR proceeding; affirmed on appeal before the Federal Circuit.
- Rovi Guides, et al. v. Comcast Corporation, et al. (PTAB, ITC, E.D. Tex.) – Represented Rovi in enforcing its patents involving television programming guide technology.
- Labyrinth Optical Technologies LLC v. Fujitsu Network Communications, Inc. (C.D. Cal.) – Defended Fujitsu in a patent infringement suit involving optical communications technology.
- Broadcom v. NXP Semiconductors N.V., et al. (C.D. Cal.) – Defended NXP in a patent infringement case involving analog circuit technologies, cryptography, and secure authentication.
- Advised States United Democracy Center on voting rights matters.
- Advised Urban College of Boston on product and IP licensing matters.
- Secured asylum status pro bono for an Internet censorship activist who had been persecuted for his political opinion.
- Secured a permanent restraining order pro bono for a victim of domestic violence.
- Secured guardianship pro bono of a minor on behalf of his grandfather.
- Applied for a U Visa status for an immigrant victim of crimes.
- Co-author, “In COVID, Can PREP Act Protection Extend to Patent Suits?” Law360 (June 30, 2022)
- Co-author: “Not All NPEs are Created Equal,” Intellectual Property Magazine (May 2017)
- Co-author, "Proving Indirect Infringement: Is Post-Suit Knowledge of a Patent Sufficient?" Bloomberg BNA’s Patent, Trademark & Copyright Journal (October 2013)
- JD, University of California, Berkeley School of Law, 2012
- BS (Bioengineering), University of California, Berkeley, 2006
Admissions / Qualifications
- California, 2012
- U.S. Court of Appeals for the Federal Circuit, 2019
- U.S. District Court for the Central District of California, 2013
- U.S. District Court for the Northern District of California, 2013
- The Best Lawyers in America – Ones to Watch (2023)