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Leon Cain headshot
Areas of Practice
  • Electrical & Computers
  • Medical Devices
  • Software & E-Commerce
IP Services
  • Freedom To Operate
  • Opinions
  • Patent Prosecution
  • Trademarks
Bar Admissions & Associations
Speaking Engagements
Past Experience

Leon T. Cain II is a registered patent attorney whose practice includes patent preparation and prosecution before the United States Patent and Trademark Office (USPTO). He has extensive experience in all aspects of patent prosecution including U.S. and international patent applications, appeals, interviews, and Patent Cooperation Treaty (PCT) practice.

Prior to joining Schwegman, Leon was a patent associate for a North Carolina-based patent boutique law firm, as well as a DC/Virginia-based intellectual property law firm where he prosecuted patent applications for a variety of international clients in both large corporations and start-ups. Leon also worked as a Primary Patent Examiner in the USPTO in Technology Center 2600. There, he examined patent applications in the areas of computer graphics, image processing, three-dimensional (3D) rendering, virtual gaming, and medical imaging devices. Leon serves as Treasurer and Council Member for the North Carolina Bar Association Intellectual Property Law Section.

He received his B.S. degree, cum laude, in Computer Science from South Carolina State University and his J.D. degree from North Carolina Central University School of Law.

In his spare time, he enjoys coaching his son’s AAU basketball team, playing the drums, and serving his community through various service projects through his fraternity, Alpha Phi Alpha.


North Carolina Central University School of Law
J.D., 2010

South Carolina State University
B.S. Computer Science, cum laude, 2003

Bar Admissions & Associations
Bar Admissions & Associations

Bar Admissions
North Carolina
U.S. Patent and Trademark Office

North Carolina Bar Association (NCBA) Intellectual Property Section
American Intellectual Property Law Association (AIPLA) 
Carolina Patent, Trademark & Copyright Law Association (CPTCLA)

Speaking Engagements
Speaking Engagements

 The Intersection of Cybersecurity, Data Privacy, The Constitution, and the Law, IP and Cybersecurity Conference 2018 
North Carolina Central University School of Law’s Intellectual Property Law Institute

Intellectual Property: Ready for the New Decade
North Carolina Bar Association IP Law and Sports & Entertainment law Sections 2019 Annual Meeting and CLE

Past Experience
Past Experience

Blue Cross Blue Shield, Columbia, SC, Compliance DB Support Engineer, 2003-2004

DHL Express US, Columbia, SC, eCommerce System Automation Engineer, 2004-2007

United States Patent and Trademark Office, Alexandria, VA, Primary Examiner, TC 2600, 2011-2015

Oliff, PLLC, Patent Associate, Alexandria, VA, 2015-2016

Olive Law Group, PLLC, Patent Associate, Cary, NC, 2016-2020