About

Lisa M. Hemmendinger is a seasoned attorney with a practice focused on patent application, appeals, and matters involving life sciences and biotechnology. Based in Washington, DC, she brings a client-centered, detail-oriented approach to helping innovators protect and advance valuable intellectual property. As part of Banner & Witcoff, Ltd. | Law Offices of Lisa M Hemmendinger, she works with clients navigating complex patent issues that require both legal precision and a strong understanding of evolving scientific and technical fields. Ms. Hemmendinger’s practice is particularly well-suited for clients operating in highly regulated and innovation-driven industries, where patent strategy can play a critical role in long-term business success. She approaches each matter with care, responsiveness, and a commitment to clear communication, helping clients make informed decisions at every stage of the patent process. Her experience with appeals further supports clients seeking strategic advocacy when patent matters require a more advanced level of review and argument. Known for her professional and practical approach, Lisa M. Hemmendinger is committed to delivering thoughtful legal guidance tailored to each client’s goals. Whether assisting with patent application preparation, handling appeals, or advising companies and inventors in the life sciences and biotechnology sectors, she works diligently to protect intellectual property and support innovation.

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