Philip D. Williamson

Associate Cincinnati


Philip focuses his practice on litigation matters. Prior to joining Taft, Philip served as a judicial clerk for The Honorable Raymond M. Kethledge, United States Court of Appeals for the Sixth Circuit, Ann Arbor, Mich., for The Honorable Amul R. Thapar, United States District Court for the Eastern District of Kentucky, Covington, Ky., and for The Honorable Lavenski R. Smith, United States Court of Appeals for the Eighth Circuit, Little Rock, Ark.

Philip received his B.A., summa cum laude, in philosophy, political science, and theology from Ouachita Baptist University and his J.D. from the University of Virginia School of Law, where he was submissions review editor of the Journal of Law and Politics. He was awarded the John Marshall Fellowship, Claremont Institute Center for Constitutional Jurisprudence in 2013 and the Blackstone Legal Fellowship, Alliance Defending Freedom in 2011.


  • Honoree, Ones to Watch, Best Lawyers in America, Antitrust Law, Appellate Practice, Commercial Litigation (2021)

All Service Areas


  • University of Virginia School of Law (2013)
  • Ouachita Baptist University (2010)


  • Federal - 6th Circuit Court of Appeals
  • State - Ohio
  • State - Texas

Professional Affiliations

  • Blackstone Legal Fellowship


  • Federal Bar Association


  • Federalist Society for Law and Public Policy Studies