• vcard
202.791.8792
  • Education
    • J.D., University of Chicago Law School, 1980
    • S.M., Massachusetts Institute of Technology, 1977
    • S.B., Massachusetts Institute of Technology, 1977
  • Bar Jurisdictions
    • New York, 1981
    • District of Columbia, 2002
    • Admitted to practice before the United States Patent and Trademark Office
  • Court Admissions
    • U.S. Supreme Court, 2017
    • U.S. District Court, Southern District of New York, 1981
    • U.S. District Court, Eastern District of New York, 1981
    • U.S. District Court for the District of Columbia, 2002
    • U.S. Court of Appeals, Federal Circuit, 1985
    • U.S. Court of Appeals, District of Columbia Circuit, 2002
    • U.S. Claims Court, 1992

Philip G. Hampton II is a seasoned multi-faceted IP practitioner leveraging almost 40 years of experience. Phil partners with clients on trademark and copyright matters including selection, clearance, prosecution, enforcement and maintenance of their intellectual property and portfolio management, trademark audits, licensing and dispute resolution. Phil’s practice also focuses on patent and trademark litigation, patent and trademark counseling, licensing and merchandising agreements based on patents, trade secrets, transactions related to the transfer of intellectual property pursuant to corporate acquisitions. Phil has also prepared, filed and prosecuted both U.S. and foreign patent applications and prepared opinions regarding patentability, validity and infringement issues. He has also participated in appeals before both the Board of Patent Appeals and Interferences and the Trademark Trial and Appeal Board.

Prior to joining Polsinelli, President Clinton nominated Phil to be the Assistant Commissioner for trademarks, making him responsible for the Trademarks Office from 1994 – 1998. Phil has devoted much of his time to actively making intellectual property a more inclusive area of the law, mentoring numerous minority and women law students. He is the inaugural recipient of the Diversity in Tech Award presented by the IP Section of the National Bar.

  • Successfully sued a competitor falsely identifying its products as being patented.
  • Achieved an 8-figure jury verdict in a trade secret matter involving internet security.
  • As a special master, decided several pretrial notions in multiple patent infringement cases in the District of Maryland.
  • Provided expert testimony in several winning parties in trademark cases.
text icon Publications & Presentations
In re Brunetti – a Reaction to In re Tam
Panelist, Howard University School of Law 13th Annual Intellectual Property and Social Justice CLE Seminar, Washington, D.C.
March, 2018
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What’s In a Name? Sometimes a Claim
Speaker, FDLI’s Food Advertising, Labeling and Litigation Conference, FDLI, Washington, D.C.
September, 2017
text icon Publications & Presentations
Intellectual Property and Social Justice
Speaker, 13th Annual Symposium on Emerging Intellectual Property Issue, SMU Dedman School of Law, Dallas, TX
September, 2016
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The Mystifying World of World-Wide Branding
Speaker, 7th Annual IP Law Symposium, Florida Bar and Business Law Section, Orlando, FL
April 8, 2016
text icon Publications & Presentations
In re Tam: Will the Issue of Social Justice Reach the Supreme Court
Speaker, Howard University School of Law 13th Annual Intellectual Property and Social Justice CLE Seminar, Washington, D.C.
March 4, 2016