Areas of Practice:
Patents, Licensing, Interferences.
Mr. Kenehan has over 30 years experience in the field of intellectual
property, particularly in sectors involving chemistry, chemical
engineering and biotechnology. His practice has involved patent
procurement, infringement and validity opinions, patent interferences, reissues,
reexaminations, appeals to the U.S. Patent and Trademark Office Board of Patent Appeals and
Interferences, appeals to U.S. Court of Appeals for the Federal Circuit and licensing.
Representative technology areas include catalysis, petrochemicals, polymers, films, fibers,
pharmaceuticals, metallurgy, semiconductors, agrochemicals, proteins and recombinant DNA.
Mr. Kenehan has specialized in interference practice and has actively participated in numerous
interferences dating back to 1980.
Mr. Kenehan served in the United States Army (Natick Laboratories and Walter Reed Army
Hospital) as an analytical and synthetic chemist. Mr. Kenehan also was as an analytical
chemist at the National Institutes of Health.
Mr. Kenehan has presented speeches at professional and educational organizations including
the Virginia State Bar Intellectual Property Association and the Japanese Intellectual Property
Mr. Kenehan has been awarded an AV rating by Martindale-Hubbell.
Selected Publications: Unexpected Oxidation of Nitroxide Alcohol with m-Chloroperbenzoic
Acid. Journal of the Chemical Society, Chem. Comm., 943 (1974).
Oxidation of Nitroxides by m-Chloroperbenzoic Acid. Tetranderon Letters No. 33, 2869-2872
Nitroxide-Catalyzed Oxidation of Alcohols Using m-Chloroperbenzoic Acid, A New Method,
Journal of Organic Chemistry, 40, 1860 (1975).
Interference Counsel, Ashe, P.C., Reston , VA.; Of Counsel, Greenblum and
Bernstein, Reston , VA; Partner, Westerman, Hattori, Daniels and Adrian, LLP, Washington,
D.C.; Of Counsel, Armstrong, Westerman and Hattori, Washington, D.C.; Partner, Sughrue
Mion, PLLC; Washington, D.C.; Senior Counsel, Mobil Oil Corporation, Fairfax, VA.; Associate,
Cushman, Darby and Cushman, Washington, D.C.
Education: The American University Washington College of Law (J.D. 1978); The Georgia
Institute of Technology (B.S. Chem. 1972).
Admitted: District of Columbia, United States Patent and Trademark Office, U.S. Court of
Appeals for the Federal Circuit, U.S. District Court for the District of Columbia.