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George Renzoni represents a variety of clients in all phases of patent law, focusing his practice on the procurement of U.S. and foreign patents, patent portfolio strategy and development, technology licensing, and due diligence investigations, as well as providing opinions of patentability, infringement, validity, and freedom-to-practice. George has also provided expert opinions and expert testimony in patent disputes.

George has procured patents in a wide range of technologies, including pharmaceutical compounds, drug delivery compositions,  medical/diagnostic devices and methods, scientific/analytical instrumentation, organic electronics, nanotechnology, polymer chemistry, and cellulose chemistry. Representative client technologies include biologic therapeutics, vaccines, and diagnostics; pharmaceutical chemistry, therapeutics, and drug delivery; medical diagnostic components and systems, and medical imaging equipment; chemistry and nanotechnology; materials science/engineering; and paper and pulp technology.

George is registered to practice before the United States Patent and Trademark Office and is also on the register of patent agents at the Canadian Intellectual Property Office. He is a patented inventor, holding four U.S. patents in the field of diagnostics. George is recognized in Chambers USA and in Intellectual Asset Management’s guide, IAM Patent 1000 – The World’s Leading Patent Professionals, as well as their premier global guide, IAM Global Leaders: Interviews with the Pinnacle of the Patent Law Profession. George is a recipient of the 2023 LMG Life Sciences Americas Award and the 2019 Lexology Client Choice award. He is recognized in Managing Intellectual Property magazine’s IP Stars, is included in the list of The Best Lawyers in America and has been selected to the list of Washington Super Lawyers since 2004.

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  • Professional Experience

    • Christensen O'Connor Johnson KindnessPLLC
      Seattle, WA
  • Professional Affiliations

    • American Chemical Society
    • Washington State Patent Law Association
  • Patents

    Patents Held

    • U.S. Patent No. 4,803,170:  Competitive Immunoassay Method, Device and Test Kit; Stanton, T.H., Clagett, J.A., Schindele, D.C., Renzoni, G.E., Andersen, N.H., and Opheim, K.E.
    • U.S. Patent No.  5,135,717:  Tetrabenztriazaporphyrin Reagents and Kit; Renzoni, G.E., Schindele, D.C., Theodore, L.J., Leznoff, C.C., Fearon, K.L., and Pepich, B.V.
    • U.S. Patent No. 5,346,670:  Phthalocyanine and Tetrabenztriazaporphyrin Reagents; Renzoni, G.E., Schindele, D.C., Theodore, L.J., Leznoff, C.C., Fearon, K.L., and Pepich, B.V.
    • U.S. Patent No.  5,494,793:  Monomeric Phthalocyanine Reagents; Schindele, D.C., Pepich, B.V., Renzoni, G.E., Fearon, K.L., Andersen, N.H., and Stanton, T.H.
  • Presentations & Publications

    Scientific Publications

    • "Ultra Fluors:  New Fluorophores for Immunological Applications," Journal of Clinical Immunoassay, Vol. 13, 1990, pp. 182-186, Schindele, D.C. and Renzoni, G.E.

    • "Effects of Ligands, Solvent, and Variable Sulfonation on Dimer Formation of Aluminum and Zinc Phthalocyanine Sulfonates," Inorganic Chemistry, Vol. 30, 1991, pp. 3305-3309, Martin, P.C., Gouterman, M., Pepich, B.V., Renzoni, G.E., and Schindele, D.C.
    • "Thermal Reorganization of Two Pyramidalized Alkenes by Reverse Vinylcyclopropane Rearrangement," Journal of the American Chemical Society, Vol. 109, 1987, pp. 820-822, Radziszewski, J.G., Michl, J., Yin, T., Renzoni, G.E., and Borden, W.T.
    • "Syntheses of Tricyclo[,7]non-3(7)-ene:  A Highly Pyramidalized Olefin," Journal of the American Chemical Society, Vol. 108, 1986, pp. 7121-7122, Renzoni, G.E., Yin, T., and Borden, W.T.
    • "A Doubly Pyramidalized Olefin:  Matrix Isolation Spectroscopy of Tricyclo[,7]dec-3(7)ene," Journal of the American Chemical Society, Vol. 108, 1986, pp. 3544-3545, Radziszewski, J.G., Yin, T., Miyaki, F., Renzoni, G.E., Borden, W.T., and Michl, J.
    • "A Novel Synthesis of b-Lactone Precursors of Pyramidalized Alkenes," Tetrahedron, Vol. 42, 1986, pp. 1581-1584, Renzoni, G.E., Yin, T., Miyaki, F., and Borden, W.T.
    • "Rapid Determination of Alcohols in Gasoline/Alcohol Blends by NMR Spectrometry," Analytical Chemistry, Vol. 57, 1985, pp. 2864-2867, Renzoni, G.E., Shankland, E.G., Gaines, J.A., and Callis, J.B.
    • "Synthesis of 7-Carboxytricyclo[,7]nonan-3-ol," Journal of Organic Chemistry, Vol. 48, 1983, pp. 5231-5236, Renzoni, G.E., and Borden, W.T.
    • "Evidence for Rapid Pseudorotation in Triphenylcyclopropenyl Anion," Journal of the American Chemical Society, Vol. 105, 1983, pp. 6359-6360, Koser, H.G., Renzoni, G.E., and Borden, W.T.
    • "The Electronic Structure of Diruthenium and Dirhodium Tetraformylate Complexes," Journal of the American Chemical Society, Vol. 101, 1979, pp. 5256-5267, Norman, J.G., Renzoni, G.E., and Case, D.A.


    Book Review

    • Phthalocyanines:  Properties and Applications, C.C. Leznoff and A.B.P. Lever, Editors, VCH Publishers, Inc., 1989, Journal of the American Chemical Society, Vol. 113, 1991, p. 9010.


    • J.D., Seattle University School of Law
    • Ph.D., Organic Chemistry, University of Washington
    • B.S., Chemistry, University of Massachusetts

Bar & Court Admissions

    • United States Patent and Trademark Office
    • Washington State Bar
    • Canadian Intellectual Property Office
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