• Share
  • Email
  • Print

Brent Johnson, Ph.D.

Fax +1.949.253.0902
Brent Johnson is a partner in the firm’s Orange County office. He focuses his practice on intellectual property matters. Areas of practice include patent prosecution, IP due diligence, and client counseling, particularly in the areas of pharmaceuticals and other chemistry-related technology.

Professional Background

Prior to joining K&L Gates, Mr. Johnson practiced as an associate at another area law firm. Prior to that, he worked as a patent agent at Allergan, Inc., where he drafted and prosecuted small molecule and formulation patent applications related to drug development. Before working as a patent agent, he was a research chemist at Pilot Chemical Company.


  • Named "Rising Star" by Super Lawyers, 2014
  • UCLA Chemistry Department Dissertation Award in Organic Chemistry, 1998

Professional/Civic Activities

  • Orange County Patent Law Association
  • J. Reuben Clark Law Society
  • American Chemical Society

Speaking Engagements

  • Miguel A. Garcia-Garibay, Brent A. Johnson, Krisztina Peterfy, and Manoj Warrier, “Photochemistry Near Zero Kelvin: The Design of Chemical Reactions with the Lowest Amount of Kinetic Energy,” Interamerican Workshop on Photochemistry, Photophysics and Spectroscopy in Organized Media, (Sponsored by the US National Science Foundation and the Argentinean CONICET), May 25-28, 2001, Cordoba, Argentina.
  • Lance Kvetko, Brent A. Johnson, Iris Lamparth, Georg Schick, Andreas Franz, Saeed I. Khan, Miguel A. Garcia-Garibay, and Yves Rubin, “Unusually Strong Fluorescence and Phosphorescence of Novel Hexapyrrolidine Derivatives of C60 with Th and D3-Symmetry,” Gordon Research Conference, Sept. 6-11, 1998, Fukuoka, Japan.
  • Miguel A. Garcia-Garibay and Brent A. Johnson, “Quantum Mechanical Tunneling in H-Atom Transfer Reactions of Triplet Ortho-Methylanthrone at Low Temperatures. Tunneling From ππ* Triplets,” 216th National ACS Meeting, Physical Division, Aug. 23-27, 1998, Boston, Massachusetts.
  • Brent A. Johnson and Miguel A. Garcia-Garibay, “Isotope Effects on Hydrogen and Deuterium Tunneling in the Photoenolization of Ortho-Methylarylketones,” Gordon Research Conference, Jan. 11-16, 1998, Ventura, California.
  • Brent A. Johnson and Miguel A. Garcia-Garibay, “Hydrogen and Deuterium Tunneling in Norrish Type II Hydrogen Transfer Reactions of Cyclic Arylketones,” Symposium in Honor of Professor Orville L. Chapman, July 1997, UCLA Department of Chemistry.
  • Brent A. Johnson, Alla Gamarnik, and Miguel A. Garcia-Garibay, “Hydrogen Transfer in the Norrish Type II Reaction of Crystalline Solids and Glasses,” Midwest Organic Solid State Chemistry Symposium VIII, June 14-15, 1996, University of Nebraska, Lincoln.
  • S. L. Reese, Brent A. Johnson, A. Malik, J. S. Bradshaw, M. L. Lee, B. E. Rossiter, “Synthesis and Evaluation of Disubstituted Biphenylpolysiloxanes as Stationary Phases for Gas Chromatography,” 207th National ACS Meeting, Organic Division, March 1994, San Diego, California.
  • Patent No. 7,468,360 “Therapeutic Amides and Related Compounds”
  • Patent No. 7,399,868 “4-(Heteroaryl-methyl and substituted heteroaryl-methyl)-imidazole-2-thiones Acting as Alpha 2 Adrenergic Agonists”
  • Patent No. 7,323,463 “Combination of Brimonidine and Timolol for Topical Ophthalmic Use”
  • Patent Publication No. 20100213831 “Ambipolar Host In Organic Light Emitting Diode”
  • Patent No. 7,763,341 “Filled Polymer Composite and Synthetic Building Material Composition
  • BioMagic, Inc. v. Dutch Brothers Enterprises - patent license arbitration and patent infringement lawsuit related to odor control compositions