B.C. Killough

Charleston Office

Member attorney. Patent attorney. Litigator. Business Counselor. Mediator. Teacher.

Patents and Trademarks

United States and Foreign

With regard to all intellectual property, B.C. “Bill” Killough has:
• obtained more than 300 United States patents for clients
• participated in prosecuting more than 100 foreign patent applications
• filed more than 1000 trademark applications with the US Patent and Trademark Office on behalf of his clients
• obtained numerous foreign trademark registrations for clients
• taught patent law to law students at a major university

Killough’s patent experience includes work with clients in the fields of:
• medical devices
• medical diagnostic and surgical methods
• physical chemistry
• digital technology
• telecommunications
• electro-mechanical and mechanical devices
• digital printing
• licensing

His foreign patent work includes participation in contested proceedings before the Opposition Division of the European Patent Office. Killough served as an Adjunct Professor of Patent Law at the University of South Carolina School of Law for six years. Killough serves on two South Carolina Research Authority (SCRA) Business and Science Advisory Boards – Biomedical Sciences and Industry 4.0 – the latter of which he serves as Chair. He also serves on SCRA’s Medical Device Commercialization Advisory Panel (MDCAP).


Killough is a Fellow of the Litigation Counsel of America, an invitation-only trial lawyer honorary society. Killough regularly litigates intellectual property, unfair competition, and trade regulation matters before US District Courts, and trademark matters before the Trademark Trial and Appeal Board. He is a member of the Intellectual Property Institute, a national fellowship of intellectual property litigators.

Business Counseling and Transactions

Killough puts his business training and education to work for clients. As an experienced transactional lawyer, Bill Killough has participated in more than 200 commercial transactions representing buyers, sellers, borrowers and lenders. Killough is a problem solver. Clients count on him to provide a wide array of legal advice on which business decisions are made. He has designed novel restructuring of business organizations where changes were indicated. He became a licensed title insurance agent to assist his clients in real estate matters.


Bill is certified as a mediator by South Carolina Supreme Court Arbitrator and Mediator Certification Board and is a member of the International Academy of Alternative Dispute Resolution. He prefers to mediate intellectual property disputes and commercial disputes.

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Practice areas

Civil litigation
Trade secrets
Intellectual property
Business Formations
Commercial transactions representing lenders, sellers and buyers

Professional memberships

Fourth Circuit Court of Appeals Judicial Conference, Permanent Member
International Academy of Alternative Dispute Resolution
Intellectual Property Institute
Federal Bar Association, South Carolina Chapter Co-Chair, Intellectual Property Committee
Federal Circuit Bar Association
National Association of Patent Practitioners
Carolinas Patent, Trademark and
Copyright Law Association
Charleston County Bar Association
South Carolina Bar
South Carolina Public Service Commission Advisory Committee


Bachelor of Industrial Engineering
Georgia Institute of Technology
Master of Business Administration
University of South Carolina
Juris Doctor
University of South Carolina

Court admissions

United States Patent and Trademark Office
All South Carolina Courts
United States District Court for the District of South Carolina
United States Court of Appeals for Federal Circuit
United States Court of Appeals for the Fourth Circuit
United States Supreme Court

Awards and Accolades

Litigation Counsel of America, Fellow
Martindale-Hubbell AV rating
Best Lawyers in America: Intellectual property litigation; patent law and corporate law.
Charleston SC 2015 Best Lawyers Corporate Lawyer of the Year
South Carolina Super Lawyers: Top Rated Intellectual Property Attorney
Charleston Business Magazine Legal Elite: Intellectual Property and Innovation

Presentations and Publications

Monthly Contributor, Federal Circuit Bar Association Circuit Case Digest
Contributor, Thomson Reuters’ Practical Law, Intellectual Property and Technology

Charleston County Bar Association Lunch and Learn CLE - presenter: An Intellectual Property Primer for General Practitioners
South Carolina Bar Association 2021 convention - panel: International Intellectual Property matters


Kentucky Colonel
Instrument rated pilot
Tri-County Family Ministries Board of Regents
Merit badge counselor, Boy Scouts of America Troop 502