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Sean counsels clients in connection with large IP portfolios and prepares and prosecutes patent, copyright, and trademark applications. His areas of technical experience include computer architecture, software, digital and analog circuit design, telecommunications and other communication systems, manufacturing, product packaging, microprocessor-based instrumentation systems, and semiconductor circuit design and fabrication. Sean also has a robust design patent practice.

Sean provides patent infringement counseling and represents clients involved in patent, trademark, trade dress, copyright and information technology litigation. He also counsels clients on all aspects of intellectual property laws, including computer software licensing, protection and acquisition, and managing intellectual property assets.

Sean is the author of “The Doctrine of Equivalents: The Second Prong of Patent Infringement Charges?” for the Ohio State Law Journal. He is a member of the American and Ohio State Bar Associations, and the American and Cleveland Intellectual Property Law Associations.

Sean served as an electrical engineer in the U.S. Air Force from 1986 to 1990 and joined Calfee in 1993. He became a partner with the firm in 2003.


J.D., with honors, The Ohio State University College of Law, Order of the Coif, 1993

B.S., cum laude, University of Michigan College of Engineering, 1986

Professional & Community

Professional & Community

American Intellectual Property Law Association, member

Cleveland Intellectual Property Law Association, member

American Bar Association, member

Ohio State Bar Association, member


Licensed In

  • Ohio
  • U.S. Patent and Trademark Office
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