Practice Areas



  • Top 100 Most Active Patent Attorney, Patexia, 2023, 2024


  • U.S. District Courts for the Southern and Eastern Districts of New York, 2003
  • U.S. Patent and Trademark Office, 1997
  • State of Connecticut, 1995
  • State of New York, 1995


  • Assistant Clerk, Honorable Vincent A. Bifferato, Resident Judge of the Delaware Superior Court, 1995


Widener University School of Law, J.D., 1995

Fairfield University, B.S., Physics, 1992

Photo of Daniel P. Lent

Daniel P. Lent

Partner and Chair of the Japanese Practice Group
860.286.2929, ext. 1137

With a focus on serving Asian companies, Daniel Lent is the partner in charge of a dedicated team of associate attorneys and support staff with specialized Asian experience. Dan lived and worked as an intellectual property (IP) lawyer in Asia and spent many years in school in Malaysia and Singapore as a youth.  In 2004, he worked for Hitachi in their IP group in Tokyo, Japan.  Dan was also an IP associate at the large international firm Reed Smith in their New York City office, where he also dealt extensively with Asia. With over 25 years of experience, the United States Patent and Trademark Office data shows that Dan has obtained thousands of U.S. patents and on average files approximately 250 US patents per year.   Currently, he focuses on obtaining patents in the United States for clients from Japan and China. Dan visits Asia frequently and counsels Asian companies and law firms regarding IP litigation, infringement, contracts, and licensing matters. Dan is a lecturer at Japanese patent attorney groups on topics relating to changes in the U.S. patent and case law and strategies for implementing those changes.

Experience Highlights

Partner, Cantor Colburn LLP, 2008-present

Associate, Cantor Colburn LLP, 2004-2008

Patent Department, Hitachi, Tokyo, Japan, 2004

Reed Smith LLP, New York City Office, 1999-2004

Ware Fressola Van Der Sluys & Adolphson LLP, Monroe, CT, 1995-1999



Professional Affiliations

American Intellectual Property Law Association

  • IP Practice Group in China Group
  • IP Practice Group in Japan Group

AIPPI-U.S. Asia Pacific Sub-Committee

U.S. Bar - JPO Liaison Council

SIPO - U.S. Bar Liaison Council

Intellectual Property Owners Association, Asian Practice Committee

International Association for the Protection of Intellectual Property

Connecticut Intellectual Property Law Association

Connecticut Optics and Photonics Association

The MIT Enterprise Forum of Connecticut

UNIGROUP UNIX users group of New York City