Philip Warrick’s practice is focused on intellectual property, including patent litigation, appellate and policy matters. Prior to joining Irell & Manella LLP, he practiced IP law for 15 years, including experience spanning private practice and all three branches of government. He most recently worked as an associate solicitor for the U.S. Patent and Trademark Office, which also included serving as the USPTO’s IP counsel detailee to U.S. Senator Chris Coons.

At the USPTO, Philip advised the agency on intellectual property and administrative law. He also represented the agency and director in federal court, which included arguing more than a dozen appeals before the U.S. Court of Appeals for the Federal Circuit.

As an IP counsel detailee, Philip spearheaded legislative efforts and provided policy counsel to Senator Coons and the U.S. Senate Judiciary Committee on all aspects of intellectual property.

Honors & Awards

  • Selected to the Oregon Rising Stars list by Super Lawyers (2015)


  • “2024 Trends To Watch As AI And IP Litigation Intersect,” Law360 (December 21, 2023)

Speaking Engagements

  • “Winning and Losing at the Federal Circuit,” IPWatchdog Masters Patent Litigation 2024 (May 15, 2024)
  • “Trends in Administrative Law,” Giles S. Rich American Inn of Court monthly meeting (November 14, 2023)
  • “Congressional Panel Discussion,” Moderator, Penn State Dickinson Law Innovation Forum on Capitol Hill (October 24, 2023)
  • “Intellectual Property Legislation,” WIPO-U.S. Summer School on Intellectual Property (June 16, 2022; June 15, 2023)
  • “IP Legislative Process, Priorities and Updates in the 118th Congress,” Boston Intellectual Property Law Association (March 30, 2023)
  • “Winning at the Federal Circuit,” Moderator, PTAB Masters 2023 (January 31, 2023)
  • “Administrative Post-Issuance Patent Validity Review – Proposals to Address PTAB, EPO, and JPO Shortcomings,” Moderator, Leahy Institute of Advanced Patent Studies (January 16, 2023)
  • “Rethinking Our Patent System – Can the Current US Patent System be Retooled to Better Encourage Innovation?” Leahy Institute of Advanced Patent Studies (2022)
  • “From Bench to Bar: Strategies for Appellate Review of PTAB Rulings Shared by Former Federal Circuit Clerks,” PTAB Bar Association Annual Conference (2022)
  • “IP Legislative Update,” Association of Corporate Patent Counsel Summer Meeting (2021)
  • “5th Annual Congressional Trademark Caucus Briefing,” International Trademark Association and the Global Innovation Policy Center (2020)
  • “Section 101 Legislation Update,” Giles S. Rich American Inn of Court (2019)
  • “The Road Ahead for Patent Subject Matter Eligibility: A Cross-Sector Breakdown of the Current and Future State of § 101,” Intellectual Property Owners Association 47th Annual Meeting (2019)
  • “Don't Be Abstract: Section 101 Through the Legislative Lens,” part of the Federal Circuit Bar Association’s “Hot Topics in IP” program (2019)
  • “Review of Recent Supreme Court and Federal Circuit Decisions and their Impact,” ABA-IPL Annual Meeting and 34th Intellectual Property Law Conference (2019)
  • “Logistics Matter: A Primer on Appellate Briefs and Submitting the Record,” American Intellectual Property Law Association Annual Meeting (2018)
  • “From Chevron to Cuozzo: Practical Impacts of Administrative Law on PTO Proceedings,” Federal Circuit Bar Association (2016)


George Washington University Law School (J.D., 2006), with high honors; Order of the Coif; Editor in chief, The George Washington Law Review

University of Akron (B.S., Computer Science, B.A., Philosophy, 2001), magna cum laude


  • District of Columbia
  • New York
  • U.S. District Court for the Eastern and Southern Districts of New York
  • U.S. District Court for the District of Oregon
  • U.S. District Court for the Eastern District of Texas
  • U.S. Court of Appeals for the Second and Federal Circuits
  • U.S. Patent and Trademark Office
  • U.S. Supreme Court


  • Hon. Richard Linn, U.S. Court of Appeals for the Federal Circuit
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