Brenton R. Babcock

Summary — Brenton R. "Brent" Babcock (Patent Litigation & PTAB)

Brenton R. Babcock is a California-based patent litigator whose practice centers on district-court patent disputes, PTAB post-grant proceedings (IPR, PGR, CBM), patent interferences, and Federal Circuit appeals. Firm biographies (Sterlington, Loeb & Loeb) and Reuters describe a wide technology range — mechanical systems, semiconductors, medical devices, cellular communications, pharmaceuticals/biotech, and software — consistent with his mechanical-engineering training. He has reportedly been involved in more than 140 PTAB proceedings and 35-plus interferences, and was named Managing IP's 2022 PTAB Practitioner of the Year, with repeated IAM Patent 1000 and IP STARS recognition.

Side and tracked matter. The tracked docket shows a single appearance, classified plaintiff-side (1 plaintiff / 0 defendant): CRü v. Tethrd LLC, entered pro hac vice while he was at Loeb & Loeb. Public filings indicate the operative matter is the saddle-hunting equipment patent dispute Tethrd, LLC v. CRUZR Saddles LLC (M.D. Tenn., No. 1:24-cv-00076, U.S. Patent No. 11,964,175 "Bridge Rope Assembly"), where Babcock appeared for CRUZR Saddles as defendant/counterclaimant; he later represented CRUZR as petitioner in IPR2025-01407 challenging the same patent (institution denied by the PTAB in March 2026). One pro hac vice appearance is a small sample, but his verifiable career pattern is genuinely two-sided: he has represented accused infringers/challengers (e.g., SAS Institute, Sigma-Aldrich, Vulcan Industrial per Reuters; CRUZR) and patent owners defending IPRs (e.g., lead counsel for Agilent Technologies in a 2025 PTAB matter), rather than NPE/PAE prosecution.

Firm context. Babcock is currently a partner in Sterlington PLLC's Patent Litigation & PTAB practice (joined April 2025). He previously chaired the PTAB Trials practice group at Loeb & Loeb (2021–2025) and at Womble Bond Dickinson (2018–2021), and spent roughly 26 years at Knobbe Martens, where he founded and chaired the USPTO Trials & Post-Grant Proceedings group. He began his career as an intern to Federal Circuit Judge Glenn L. Archer Jr.

Credentials. Admitted to the California bar in 1992 (and, per Martindale, the District of Columbia bar); registered USPTO practitioner (Reg. No. 39,592). He holds B.S. and M.S. degrees in mechanical engineering from UCLA (cum laude, Tau Beta Pi) and a J.D. and M.B.A. from Georgetown University (1992). No independently verifiable trial verdicts or reported Federal Circuit merits decisions were surfaced in this search beyond the PTAB non-institution decision above; his headline results are largely reflected in firm-issued announcements and rankings rather than published opinions.