Day Pitney remains committed to providing quality legal counsel, while protecting our clients and employees, and transforming our communities into more just, equal and equitable spaces. For more information, please visit our  COVID-19 Resource Center  | Racial Justice and Equity Task Force.

Andrew M. Riddles


F: (212) 916 2940
F: (305) 373 4099
Overview Insights News Education and Credentials Recognition and Community


Andrew Riddles is a partner in Day Pitney's Intellectual Property Department. He has over 25 years of experience in virtually all aspects of intellectual property, with an emphasis on patent litigation. Andrew is experienced in all aspects of litigation, from pre-suit investigation and early case assessment through trial and appeal. He has appeared before federal district courts across the country, the U.S. Court of Appeals for the Federal Circuit, the U.S. International Trade Commission and the U.S. Court of Federal Claims. He has successfully litigated patent infringement cases, for both plaintiff and defendant, involving a wide variety of technologies, including optics, computer hardware and software, electronic control systems, telecommunications, e-commerce, mechanical equipment, Internet services, automotive parts, agricultural chemicals, semiconductor circuits and microwave transmission. He was also involved in some of the pioneering business method and computer software patent litigations. In addition to patent cases, Andrew has litigated cases involving trademarks, copyrights, trade secrets, false advertising, antitrust and unfair competition.

Andrew has also represented parties as negotiation counsel in numerous complex technology and multi-party matters. His experience includes the negotiation of technology transfer agreements and the resolution of multiparty litigation claims. Andrew trained in negotiation at the Harvard Negotiation Institute and the Oxford Programme on Negotiation and serves on the Mediation Panel for the U.S. District Court for the Southern District of New York.

In addition to litigation, Andrew regularly renders opinions relating to patent validity, enforcement and infringement and provides strategic advice to companies on the development and management of their intellectual property portfolios. Andrew is also experienced in complex proceedings before the U.S. Patent and Trademark Office, including patent reexamination and reissue proceedings.

* No aspect of these advertisements has been approved by the highest court of any state. See Awards Methodology.


Education and Credentials

New York University, LL.M., 1998
Brooklyn Law School, J.D., 1985
Rensselaer Polytechnic Institute, M.B.A., 1982
Columbia University, B.S., 1979
State of Connecticut
State of New York
State of Florida
U.S. Patent and Trademark Office
New York Intellectual Property Law Association
American Intellectual Property Law Association
Intellectual Property Owners Association (IPO)

Recognition and Community


Chosen for inclusion in Chambers USA Legal Directory (Chambers & Partners) as a leading intellectual property: patent attorney, 2014-2017

AV Preeminent rated by Martindale-Hubbell (LexisNexis)

No aspect of these advertisements has been approved by the highest court of any state. See Awards Methodology.