Aaron Hand

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Aaron Hand — Patent Litigation Practice Summary

Specialty / focus areas. Hand is a first-chair patent and trade secret trial lawyer at Bunsow De Mory LLP whose practice spans a broad technology mix rather than a single vertical. Firm biography and IPWatchdog describe matters involving consumer products, semiconductor processing, data storage, wireless technologies, biologics, and diagnostic products, plus litigation-driven work on video encoding/decoding (VideoLabs) and LED lighting. His tracked docket is concentrated in the life-sciences/chemical-biology space: the CRISPR guide-RNA dispute between Synthego and Agilent Technologies, which implicates modified-RNA chemistry as much as software or standards-based art. His engineering background is in chemical engineering, which aligns with that biochemistry-facing work.

Side preference. He works both sides, but the tracked appearances skew modestly to the defense (3 defendant-side vs. 2 plaintiff-side). That split is somewhat misleading because all five tracked matters are variations on a single consolidated Agilent–Synthego dispute: Hand represented Agilent as defendant/counterclaimant in Synthego's declaratory-judgment action and as plaintiff in Agilent's mirror infringement suit, so in substance he has represented the same operating company in both postures. Beyond the tracked list, his firm's representative-matters descriptions show genuine two-sided work — asserting patents for patent-owner/NPE-side clients (Theta IP against Samsung in W.D. Tex.; VideoLabs against Dell) while defending operating companies elsewhere.

Firm context. He is a partner at Bunsow De Mory LLP in Redwood City, California, the firm that appears on all five of his tracked appearances (listed variously as "Bunsow De Mory" and "Bunsow DeMory"). His published practice has been built at that firm rather than as an in-house lawyer at a technology company.

Notable cases and outcomes. The most prominent tracked matter is Synthego Corp. v. Agilent Technologies, Inc. / Agilent Technologies, Inc. v. Synthego Corp. (N.D. Cal., No. 5:21-cv-07801), where Hand was on the Agilent team that sought a preliminary injunction over Synthego's CRISPRevolution guide-RNA products and defended parallel IPRs. That dispute ultimately went against his client: the PTAB invalidated all claims of U.S. Patents 10,337,001 and 10,900,034, and in a precedential June 11, 2025 decision the Federal Circuit affirmed, holding (among other things) that enablement of prior art under § 102 is a distinct inquiry from claim enablement under § 112 and distinguishing Amgen v. Sanofi. Agilent sought an extension of time to file a cert petition in August 2025. Other reported results include a favorable resolution on the eve of trial for Theta IP in Theta IP, LLC v. Samsung Electronics Co. (W.D. Tex.), a pre-trial settlement for VideoLabs in its action against Dell, and a trade-secret arbitration award exceeding $500 million in which he is credited with helping unravel an engineer's attempted cover-up.

PTAB / IPR experience. He appears regularly in PTAB proceedings, including the two Synthego IPRs (IPR2022-00402 and -00403) as counsel for patent owner Agilent, and he is named in the VideoLabs IPR matters (IPR2024-01023/-01024/-01025) against Roku. IAM reported in 2024 that Bunsow De Mory ranked second among firms defending patent owners at the PTAB and specifically listed Hand among the firm's PTAB bench.

Bar / education. Admitted in California (2006); registered patent attorney with U.S. Patent & Trademark Office; admitted before the U.S. Supreme Court, Federal Circuit, Ninth Circuit, and the N.D., C.D., E.D., and W.D. Cal./Tex. district courts. J.D., magna cum laude, University of San Diego School of Law (2006); B.S. in chemical engineering, cum laude, UCLA.