Attorneys & Staff

Clifford C. Dougherty, III
Tenth Floor
Two Leadership Square
211 N. Robinson
Oklahoma City, OK 73102-7103

(405) 552-2302 direct
(405) 228-7302 fax
Practice Areas
Industry Groups
Agriculture and EquineEnergy and Oil & GasEntertainmentFoodManufacturing and LogisticsNative AmericanRenewable and Sustainable Energy
  • Oklahoma, 1985
  • U.S. Patent and Trademark Office
  • U.S. District Courts for the Western and Northern Districts of Oklahoma
  • U.S. Court of Appeals for the Tenth Circuit
  • U.S. Court of Appeals for the Federal Circuit
  • J.D., with distinction, University of Oklahoma, 1985; Oklahoma Law Review; Phi Delta Phi
  • B.S. (Chemistry), University of Oklahoma, 1982
Professional Organizations and Memberships
  • Oklahoma Bar Association (Past President, Intellectual Property Section)
  • American Bar Association (Intellectual Property Section; Intellectual Property Litigation Committee; Corporate Counsel Committee)
  • Oklahoma Bar Foundation
  • International Trademark Association
  • American Intellectual Property Law Association (Trademark Committee)
  • Federal Circuit Bar Association
  • Oklahoma Venture Forum
Civic Involvement and Leadership
  • Leadership Oklahoma City, Class XXV
  • Rotary Club of Oklahoma City (President Citation, 2014)
  • Edmond Public Schools Foundation (President, 2005-2006)
  • New Covenant United Methodist Church, Edmond, OK
Chambers USABest LawyersBest Lawyers Lawyer of the YearSuper LawyersMartindale Hubbell

Clifford C. Dougherty, III

Shareholder, Practice Group Leader


Cliff Dougherty has practiced exclusively in the intellectual property field for his entire career and is particularly regarded for his ability to understand and appreciate his clients' needs and his direct and proactive approach to resolving issues. His practice encompasses all aspects of intellectual property law, including trademark clearance, registration and maintenance, patent application preparation and prosecution, preparation of legal opinions, drafting and negotiating contracts relating to intellectual property, and counseling with respect to advertising, copyright, Internet, licensing and related matters. Cliff also devotes a large part of his practice to intellectual property litigation in federal courts as well as before the Patent Trial and Appeal Board (PTAB) and the Trademark Trial and Appeal Board (TTAB) of the U.S. Patent and Trademark Office. He currently serves as leader of the firm’s Intellectual Property Group.

Cliff serves as exclusive intellectual property counsel for numerous companies throughout the United States ranging from large public corporations to private start-up companies. He has helped companies of all sizes develop and implement programs to promote and foster development of new intellectual property, protect and maintain existing intellectual property, and avoid intellectual property infringement litigation. Cliff’s practice is worldwide in scope. He has developed a vast network of intellectual property associates and handled transactions and disputes in most countries throughout the world.

Cliff's achievements have earned him inclusion in Chambers USA Guide to America’s Leading Lawyers for Business, The Best Lawyers in America (copyright law; intellectual property litigation; patent law; patent litigation; trademark law) and Oklahoma Super Lawyers. He was selected by Best Lawyers as the “Oklahoma City Trademark Lawyer of the Year” for 2012 and 2014, “Oklahoma City Intellectual Property Litigation Lawyer of the Year” for 2013, and “Oklahoma City Patent Lawyer of the Year” for 2015, honors given only to a single lawyer in each legal specialty in each community. He is one of a distinguished group of attorneys who have been listed in Best Lawyers for 10 years or longer. For more than 20 years, Cliff has been rated AV® Preeminent by Martindale-Hubbell's Peer Review Ratings, a certification mark signifying that a lawyer's peers rank him or her at the highest level of professional excellence.

Cliff has published articles relating to intellectual property law in the Oklahoma Law Review, Oklahoma Bar Journal, The Journal Record, The Oklahoman and the Oklahoma Employment Law Letter, and is a contributing author to State Trademark and Unfair Competition Law (INTA). He frequently speaks at seminars and other educational programs on intellectual property matters. He is a past president of the Intellectual Property Law Section of the Oklahoma Bar Association.

In 2015, Cliff was honored by Rotary Club of Oklahoma City, the largest club in Rotary International, with its prestigious Rotarian of the Year Award.  He was specifically recognized for his efforts in leading the new member recruitment committee “with incredible sound judgment and integrity.”

Representative Experience

  • Representation of companies of all sizes, ranging from large public corporations (including Fortune 500 companies) to private start-up companies, in all types of intellectual property transactions and disputes throughout the world.
  • Representation of clients in trials involving patent infringement, trademark infringement, copyright infringement, cybersquatting, deceptive trade practices, false advertising, unfair competition and related issues.
  • Representation of clients in proceedings before the Board of Patent Appeals and Interferences and the Trademark Trial and Appeal Board of the U.S. Patent and Trademark Office.
  • Representation of clients in proceedings before the National Arbitration Forum in accordance with the Uniform Domain Name Dispute Resolution Policy, adopted by the Internet Corporation for Assigned Names and Numbers (“ICANN”).
  • Representation of companies in multimillion-dollar naming rights agreements. Cliff recently helped one of his clients secure the naming rights to the ballpark for the Texas Rangers.
  • Representation of companies in the food industry, including food manufacturing companies, food distribution companies and restaurants in connection with intellectual property matters.
  • Counseling and defending large national food manufacturer in dispute challenging use of the term “natural” on food product labels. As part of his representation of clients in the food industry, Cliff has advised national corporations on compliance with federal food labeling requirements and avoidance of state law false advertising claims, and has counseled and defended clients who have been targeted by class action plaintiffs challenging the clients’ use of descriptive terms on product labels.
  • Representation of companies in the insurance industry, including life insurance and supplemental health insurance companies, in connection with intellectual property matters.
  • Representation of companies in the energy field, including exploration and drilling companies, midstream companies, and oil well service companies.
  • Representation of chemical manufacturing companies, chemical process equipment companies, combustion equipment companies and companies involved in the biomedical sciences field.
  • Representation of banks and bank holding companies in connection with trademark and other intellectual property issues.
  • Representation of Native American tribes and organizations that promote Native American heritage in trademark and other intellectual property matters.
  • Representation of companies based abroad in matters in the United States.


  • Legislation: New teeth in trade secrets law
    Oklahoma Employment Law Letter - January 2010
  • I think my company has created a solid invention. Now what?
    The Journal Record - June 25, 2009
  • Intellectual Property, The Trademark Law Revision Act of 1988
    The Oklahoma Bar Journal, Vol. 60, No. 35 - 1989
  • The Oklahoma Deceptive Trade Practices Act - The Requirement of Competition Between the Parties
    Oklahoma Law Review, Vol. 37, No. 4 - 1984