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)

Speaking Engagements

  • “IP Legislative Update,” Association of Corporate Patent Counsel Summer Meeting (2021)
  • “5th Annual Congressional Trademark Caucus Briefing,” sponsored by the 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


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


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