Moore & Van Allen Law Firm, Attorneys
Practice Areas
  • B.S.G.E., University of Illinois, 1982
  • J.D., DePaul University, 1990, with honor; Order of the Coif
  • U.S. Patent and Trademark Office, 1986
  • Illinois, 1990
  • North Carolina, 2002
3015 Carrington Mill Blvd.
Suite 400
Morrisville, NC 27560-6802

Dennis J. Williamson

Senior Counsel
Professional Affiliations

Dennis Williamson is a registered patent attorney with over 30 years experience in a variety of matters and technologies with private practice, corporate and agency experience.  With extensive experience in the telecommunications, electronics, mechanical and electro-mechanical areas, his practice covers a wide variety of intellectual property matters including patent prosecution, patent licensing and other related transactions, opinion work and client counseling.

  • Williamson has extensive experience counseling clients in leveraging their own patent assets and assessing risk of adverse positions and has performed numerous patent validity and infringement opinions in this regard.
  • He has experience building and maintaining both large and small patent portfolios.
  • Williamson has experience in patent litigation and has argued before the Court of Appeals for the Federal Circuit in an appeal arising out of an interference.    
  • Williamson is a former patent examiner with the United States Patent and Trademark Office.
  • Williamson prosecuted patent applications as counsel for Bell Labs and Lucent Technologies.
  • He had legal responsibility for international patent licensing programs as Associate General Counsel for Ericsson, Inc.
  • He served as the intellectual property counsel for a division of a Fortune 300 company.

Professional Affiliations

  • American Bar Association
  • North Carolina Bar Association
  • Illinois Bar Association