David M. Sigmon

Email David Sigmon
Phone: (864) 987-9696

Practice Areas:

  • All areas of intellectual property law
  • Frequent advisor on patent law issues in litigation


  • Has more than 12 years of experience in intellectual property law
  • Has extensive experience in the preparation and prosecution of patent applications before the U.S. Patent and Trademark Office and foreign patent offices, preparation of legal opinions regarding infringement, validity, and enforceability of patents
  • Focuses on the areas of patent and trademark preparation and prosecution, patent infringement studies, and client and attorney counseling
  • Drafts and negotiates IP license and royalty agreements

Industry Experience:

  • rior to attending law school, worked as a process and project engineer for an international textile company conducting project engineering work in yarn manufacturing and both woven and nonwoven fabric manufacturing
  • Conducted research in computer integrated manufacturing (North Carolina State University


Carolina Patent, Trademark & Copyright Law Association (Past President), North Carolina Bar Association (Intellectual Property Law Section Board Member and Secretary), South Carolina Bar Association, American Bar Association


  • B.S. degree in Textile Engineering and M.S. degree in Textile Management from North Carolina State University
  • J.D. degree from the University of South Carolina School of Law

Admitted to Practice:

South Carolina State Bar; North Carolina State Bar; U.S. Patent and Trademark Office; U.S. District Court for the District of South Carolina; Fourth Circuit Court of Appeals


    Selected as a NC Super Lawyers Rising Star for 2010

    ©2017 J. Bennett Mullinax, LLC, Inc. All rights reserved.