Douglas E. Ringel

Doug Ringel has over twenty years of experience working with clients on their patent matters. He represents clients in patent litigation in federal district courts as well as in ex parte and inter partes proceedings before the U.S. Patent and Trademark Office. He also works with clients in obtaining patents and provides counseling and opinions on patent issues, including patent landscape reviews, patent clearance during product design and development, freedom to operate opinions, and deal diligence relating to intellectual property investments, licensing, purchases, mergers, and acquisitions.



Doug has served as lead counsel in a number of significant and high-profile intellectual property cases and has secured important courtroom victories for clients. He has handled all aspects of litigation from pre-trial investigation and initial filings through to judgment or other disposition, including trials, appeals, and settlements. His courtroom experience includes jury and bench trials, preliminary injunction proceedings, and numerous hearings, including many Markman and summary judgment hearings. He also has represented clients in mediation proceedings and settlement conferences.



Doug has significant experience practicing before the U.S. Patent and Trademark Office, including handling briefing and oral argument before the Patent Trial and Appeal Board in inter partes proceedings. He has prosecuted or supervised the prosecution of hundreds of granted patents. He helps clients build strategic patent portfolios, working closely with them to craft patents that will protect their inventions and the markets for them.



Doug has worked with large, international corporations as well as start-up companies. He has represented companies across a wide range of technologies, including medical devices, computers

Good to know

Areas of Practice 1) Intellectual Property, 2) intellectual property investments and 3) mergers and acquisitions
Law School The University of Michigan Law School (J.D.,1992)
Education Cornell University (B.S.,1988)
Bar Member / Association District of Columbia State Bar Associations,New York State Bar Associations,Florida State Bar Associations
Most recent firm Kacvinsky Daisak Bluni PLLC
LinkedIn Profile https://www.linkedin.com/in/douglas-ringel-3264901
Alan Singer
Alan Singer

Alan Singer is a partner in Morgan Lewis's Securities Practice. Mr. Singer advises companies with regard to a diverse range of corporate and securities matters.

Andrew Hamilton
Andrew Hamilton

Andrew Hamilton is a partner in Morgan Lewis's Business and Finance Practice. Mr. Hamilton practices in the areas of mergers and acquisitions, private equity and venture capital, securities law, and general corporate counseling.

Barbara J. Shander
Barbara J. Shander

Ms. Shander advises public and private company clients as well as private equity funds, with an emphasis on mergers and acquisitions, dispositions, and financing transactions.