Practice Areas



  • State of California, 2007
  • United States Patent and Trademark Office, 1997
  • Not admitted in Connecticut


Concord Law School, J.D., 2006

Rensselaer Polytechnic Institute, M.S., Mechanical Engineering, 1994

University of Hartford, B.S., Mechanical Engineering, 1990

Teaching Positions

  • Guest Lecturer, University of Connecticut School of Law
  • Guest Lecturer, Western New England University School of Law
Photo of Dave S. Christensen

Dave S. Christensen

Partner and Co-Chair of the Mechanical Engineering Practice and Chair of the Additive Manufacturing Practice
860.286.2929, ext. 1230

Dave co-chairs the firm’s Mechanical Engineering Practice and Additive Manufacturing Practice Groups, leading teams dedicated to responsive client focused service, and overseeing the workflow and providing of high quality work product to clients. He focuses his practice on assisting clients in protecting their inventions in both U.S. and foreign patent offices in a variety of technical fields, including consumer products, electrical power distribution and transmission, renewable energy, and optical measurement systems. He also has significant experience in assisting clients in developing cost effective strategies for managing risk in their developing of new products, and the building and managing their intellectual property portfolios.  Dave further counsels startup to medium-sized clients in preparing their portfolios for investment financing and associated due diligence activities.

Before beginning his career as an IP attorney, Dave was an engineer and product development manager, where he gained hands-on experience in leading multi-functional teams in developing commercial products using a wide range of manufacturing technologies such as additive manufacturing, 3D printing, high precision machining, and high volume manufacturing technologies.  Dave is also an inventor on 37 U.S. patents related to medical products and electrical distribution equipment.

Dave is active in thought leadership, especially related to how technology is changing both manufacturing and legal business operations. He is on the Editorial Review Board of the American Bar Association’s Law Practice Magazine, where he helps set the direction of the magazine’s content, guest edits, and contributes articles. His series of articles on Patent Prosecution are a go-to guide for patent prosecution basics. Dave is the co-chair of the Board of Directors of MakerspaceCT, a nonprofit dedicated to positively impact lives by enabling access, innovation, and education in manufacturing skills to the under-served in the Hartford area.

Experience Highlights

Partner, Cantor Colburn LLP, 2014-present

Counsel, Cantor Colburn LLP, 2013

Associate, Cantor Colburn LLP, 2007-2012

Director of Intellectual Property, Distributed Energy Systems Corp., 2002-2007

Manager of Intellectual Property, General Electric, 1997-2002

Design Engineer and Patent Specialist, E. I. DuPont de Nemours, 1990 – 1997




Professional Affiliations

American Bar Association

  • Law Practice Magazine Editorial Board Vice Chair
  • Law Technology Resource Center Committee
  • Knowledge Strategy Committee, former member

American Intellectual Property Law Association

Intellectual Property Owners Association

Community/Civic Involvement

Co-Chair, Board of Directors and Legacy Council Member, McEIVR, Inc./MakerspaceCT

Co-Chair, Board of Trustees, Harwinton Public Library, 2010-2016