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Derrington, Keith R.
Keith R. Derrington
Senior Counsel
P: +1.713.221.1515
F: +1.713.437.5320

Dora Rios


Keith (Ron) Derrington counsels clients in the development, feasibility, and protection of intellectual property matters. His clients include both Fortune 100 and Fortune 10 corporations. Ron also drafts, files and prosecutes patent applications related to oilfield exploration and production hardware (including subsea applications), refining processes, chemical processes, aeronautical guidance systems, laser ultrasonic devices, rotating equipment, electrical and electro-mechanical devices, automotive improvements, fluids handling equipment, software applications, and petrochemical plant hardware. He participates in due diligence activities and negotiations for intellectual property matters related to mergers and acquisitions. Additionally, Ron counsels U.S. and international clients in worldwide intellectual property ownership in the energy, oil and gas, transportation, and aerospace and defense industries.

Ron has experience in preparing and evaluating license agreements and opinions regarding patentability, validity, infringement, and clearance. His opinion work includes technologies related to downhole perforating devices, wellbore completion tools, alternative fuels, automotive devices, electromagnetic inspection apparatus, chemical processes, and polymeric products.

Ron's trademark experience includes preparing and prosecuting trademark applications for various businesses and corporations including Fortune 500 companies. He also has experience in the development of software licenses, non-competition agreements, reexaminations, and trade secret matters. Further, Ron has argued appeals before the Patent Trial and Appeal Board (PTAB).

Prior to entering the legal field, Ron worked for 10 years as both an engineer in the design field and as a reliability engineer. As a design engineer, he provided engineering consulting services to major petrochemical and petroleum refining companies, which required an intimate knowledge of the petrochemical plant hardware and processes. While working as a reliability engineer, Ron provided technical engineering support for the Orbiter portion of the NASA Space Transportation System.

Representative Matters

Represented international energy companies, oil field service companies and manufacturers in patented technologies including: well head assemblies, wellbore completions, downhole tubulars, perforations systems, submersible pumping systems, drill bits, laser testing for analyzing composite materials, and various nanotechnology innovations.

Represented a renewable energy company in counseling patentability opinions and prepared and filed patent applications for solar technology.

Publications and Speeches

"Lid Blown Off Patent False Marking Claim," LES Insights Magazine, October 26, 2010.

"Forest Group v. Bon Tool Co.:  The Effect on Licensing of Patents," les Nouvelles, September 2010.

"Forest Group v. Bon Tool Co.: The Effect on Licensing Patents," IP Litigator, July/August 2010.

"Penalty For Patent False Marking Set At Highest Sales Price," IP Frontline, May 2010.

Presenter, "Forest Group v. Bon Tool Co.: The Effect on Licensing Patents," AIPLA Conference, New York City, May 6, 2010.


J.D., Houston College of Law, 1996
B.S., Mechanical Engineering, University of Houston, 1986

Bar Admissions

U.S. Patent and Trademark Office

Court Admissions

U.S. District Court for the Southern District of Texas


State Bar of Texas, Intellectual Property Section
Houston Intellectual Property Law Association, Board of Directors 2001-2003, Chair of Communications Committee 2010-2012
Intellectual Property Owners Association
American Intellectual Property Law Association, Chemical Practice and Licensing and Management of IP Assets Committees


Legalease, The Legal 500 United States, Intellectual Property (IP): Patent Prosecution: Utility and Design Patents, 2013-2015