Keith Fredlake is a registered patent attorney who focuses his practice on intellectual property matters, including drafting and prosecuting patent applications, primarily in the chemical and life sciences industry including chemistry, chemical engineering, oil & gas-petrochemicals, medical devices and pharmaceuticals. Mr. Fredlake works with clients on design patents and he also counsels clients on issues regarding the patentability of inventions, patent rights in foreign countries, and the infringement and validity of U.S. patents.

Mr. Fredlake’s patent practice includes performing portfolio review for clients, including freedom-to-operate, invalidity, patentability and opposition searches. He is also experienced in the preparation of invalidity and non-infringement options for utility and design patents. In addition, Mr. Fredlake has significant experience in conducting trademark clearances, registering trademarks, negotiations and licensing, and adversarial proceedings before the U.S. Trademark and Appeal Board and Internet Corporation for Assigned Names and Numbers.

Prior to joining the firm, Mr. Fredlake worked as a shareholder a Northern Virginia office of an intellectual property law firm where his areas of practice included patents, opinions and searching. Previously, Mr. Fredlake was an associate in the Washington, D.C. office of an international law firm.

Mr. Fredlake was recommended by Legal 500 US in 2015 for Patent Prosecution.


Afton Chemical Corp. v. Infineum Int’l Ltd.

Successfully represented Afton in an inter partes review (IPR) brought to invalidate Infineum’s patent directed to heavy duty diesel lubricants. The PTAB found all claims invalid and denied the motion to amend, and it’s decision was affirmed on appeal to the Federal Circuit. IPR2017-01321, PTAB, Judges Tornquist, Abraham, Ankenbrand

Celanese Int’l Corp. v. Daicel Corp.

Successfully represented Celanese in an IPR brought to invalidate Daicel’s patent directed to acetaldehyde removal from a carbonylation process. Prior to institution, the parties consented to terminate. IPR2019-00313, PTAB, Judges Snedden, Yang, Hulse

Counsel for patentee Celanese in five inter partes review petitions filed by competitor Daicel challenging validity of Celanese patents related to industrial acetic acid production. The Patent Trial and Appeal Board initially ruled in favor of client Celanese, completely denying all five petitions, although requests for rehearing subsequently resulted in the institution of 3 of the 5 IPRs. In June of 2016, the PTAB issued final written decisions in the three IPRs, finding for patent owner Celanese and affirming all instituted claims as not unpatentable. USPTO PTAB Case Numbers IPR2014-01514, IPR2014-01515, IPR2015-000170, IPR2015-00171 and IPR2015-00173.


American University, J.D. (2002)

Western State College of Colorado, B.A., Political Science (1998)


District of Columbia (2008)

Virginia (2013)

Colorado (inactive) (2002)

Court Admissions

U.S. Patent and Trademark Office (2005)

U.S. District Court for the District of Colorado

Professional & Community Activities

Licensing Executive Society, CEEM Member

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