Charles Calkins practices intellectual property law with a focus on patent law and intellectual property transactions. Mr. Calkins, a registered patent attorney, has more than 25 years of experience in client counseling and portfolio management in patent procurement, licensing and enforcement, primarily in the life sciences, chemical, medical and computer software arts. His current practice also focuses on the corporate and transactional aspects of intellectual property, including licensing, merger, acquisition and/or equity investment due diligence. He also handles reexaminations and patents in diverse areas such as automotive, medical devices and DNA Sequencing Technologies including NextGen Sequencing.

Mr. Calkins' experiences allow him to understand the business value of intellectual property and work with clients to maximize return on their investments. Mr. Calkins has worked with companies, investment banks, private equity groups, venture capitalists and other institutional investment groups to conduct due diligence and provide counseling relating to more than 100 potential investments, acquisitions and/or mergers ranging in size from several hundreds of thousands of dollars to more than one billion dollars. He also has experience working with government contracts. In addition to his legal practice, Mr. Calkins is a Chair of the Piedmont Angel Network, and is an investor in emerging technology companies and active in the regional and national technology communities. He is also Chair of the Scientific Advisory Board at University of North Carolina Greensboro.

Mr. Calkins is AV® rated by Martindale-Hubbell* and has been named to Business North Carolina’s "Legal Elite" list. He has been recognized as a North Carolina "Super Lawyer" in the areas of Intellectual Property and Mergers & Acquisitions by Super Lawyers magazine. He was recognized in The Best Lawyers in America® for Intellectual Property Law in 2015 and the eight years immediately preceding. He was also named a 2013 and 2015 "Greensboro Lawyer of the Year" in the area of Patent Law by The Best Lawyers in America®. Mr. Calkins was named a "Law Impact Leader" by Business Leader magazine. He was named a "Global IP Luminary" by IP World for his exemplary work in the intellectual property legal area. In 2011, Mr. Calkins was also recognized among the Triad's "Most Influential" professional executives by the Triad Business Journal for the ninth consecutive year. He is listed in the 2012 edition of Chambers USA: America’s Leading Lawyers for Business in the area of Intellectual Property and he is listed in the 2013 and 2014 editions as #1 in the area of Intellectual Property. Mr. Calkins has been recognized as a 2013 and 2014 "IP Star" by Managing Intellectual Property magazine. He is a former Chair of the North Carolina Bar Association's Intellectual Property Section and remains active on the Section Council.

*CV, BV, and AV are registered certification marks of Reed Elsevier Properties Inc., used in accordance with the Martindale-Hubbell certification procedure's standards and policies.

Professional & Community Activities

North Carolina Bar Association Intellectual Property Section, Section Council Member and Past Chair

University of North Carolina Greensboro, Scientific Advisory Board


  • Boston University, J.D. (1984)
  • Massachusetts Institute of Technology, S.B., Chemical Engineering & Life Sciences

Bar Admissions

  • North Carolina (1995)
  • District of Columbia (1989)
  • Massachusetts (1985)


  • U.S. Patent and Trademark Office

Who We Are

1001 West Fourth Street
Winston-Salem, NC, 27101-2400
t +1 336.607.7315
f +1 336.734.2606

Charles W. Calkins

Experience Highlights

Patent prosecution for drug discovery company
Represent an emerging drug discovery company with small and large molecule therapeutics with respect to patent prosecution and related counseling. more
Patent litigation for manufacturing company
Provided intellectual property related services, including patent preparation and prosecution in automotive fabrics, knitwear and medical prostheses’ more
Intellectual property portfolio management services for one of the largest apparel companies in the world
Represents one of the largest apparel companies in the world in protecting their hosiery, hosiery machinery, knitwear, casual wear, shoes, lingerie more
Intellectual property related matters for a clinical laboratory services provider
Represent a clinical laboratory services provider in matters related to intellectual property issues arising in connection with due diligence more