Davidson Kappel LLC is a New York City Intellectual Property Law Firm helping clients in all aspects of intellectual property law. As detailed below, we specialize in navigating the complex world of patents and trademarks in the U.S. and, with the assistance of foreign associates, throughout the world. Davidson Kappel LLC’s offices are in the Time Square South section of mid-town Manhattan.

DK is micro boutique with a limited number of experienced attorneys with a particular expertise in patent prosecution. Davidson Kappel’s attorneys have helped our clients obtain thousands of U.S. patents covering important technological advances as well as commercially important inventions at different technological levels, enabling our clients to enhance market share. We have assisted start-up companies in building strong patent portfolios which have enabled these companies to attract investors and licensees.

We have the technical expertise to understand sophisticated technologies, and the legal expertise to provide technically sound yet creative approaches for protecting our clients’ inventions in a wide variety of technologies. We are skilled at interviewing with patent examiners, and will appeal rejections of patent application to the PTAB when it is in the best interests of our clients.

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IPWatchdog LIVE 2026

March 22-24, 2026