Professionals
Practice Areas
- Additive Manufacturing Practice
- Automotive Practice
- Design Patents Practice
- Due Diligence in IP Acquisitions
- Ex Parte Reexaminations
- Foreign & PCT Patent Filing
- IP Transactional
- Licensing
- Mechanical Engineering Practice
- Patent Landscaping and Risk Analysis
- Patents
- Post Grant Practice
- Post-Grant Review
- Product Clearance
- Strategic IP Portfolio Development and Management
- Transfers, Mergers, Acquisitions, Bankruptcies and Securitizations
- Utility, Design, and Plant Patent Filing with the USPTO
Technologies
- Mechanical Engineering
- Optics
- Automotive Technology
- Energy
- Aerospace & Aeronautics
- Nanotechnology
- Telecommunications
- Medical Devices
- Internet & E-Commerce
Admissions
- State of California, 2007
- United States Patent and Trademark Office, 1997
- Not admitted in Connecticut
Education
Concord Law School, J.D., 2006
- Moot Court 2005
- Best Oral Argument, Plaintiff and Distinguished Brief, Plaintiff, 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

Dave S. Christensen
Dave co-chairs the firm’s Mechanical 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. Dave further is the co-chair of the Board of Trustees 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
Publications
“Accepting Credits Cards to Approve Accounts Receivable,” by Dave S. Christensen, Law Practice Magazine, a publication of the American Bar Association, September 2020.
News
- November 15, 2019
Cantor Colburn is a sponsor of the New England Maker Summit 2019, which brings together experts in city planning, Maker Movement industry leaders, entrepreneurs, educators, manufacturers and curious minds to explore "The Impact of Innovation & Making on Urban America." Featured speakers are Colin Cooper, newly appointed Chief Manufacturing Officer for the State of Connecticut, David Lehman, Commissioner of Connecticut's Department of Economic and Community Development, Martin Guay of Stanley Black & Decker, Jeff Aucker and Jamie Brat of Infosys, Paul Tyler of Nassau Re and others.
- October 16, 2018
McEIVR, Inc./MakerspaceCT is proud to announce the appointment of Dave S. Christensen, Partner and Additive Manufacturing Practice Group Chair at Cantor Colburn LLP, the fourth largest patent law firm in the country, to its Board of Directors and Legacy.
- Legal 500 USA 2018June 4, 2018
Cantor Colburn LLP has been recommended as a Leading Firm by the Legal 500 United States 2018 in Intellectual Property for Patents: prosecution (including re-examination and post-grant proceedings). This is the ninth consecutive year that Cantor Colburn has been recognized for this highly selective honor.
- June 30, 2017
Cantor Colburn has been recommended as a Leading Firm by the Legal 500 United States 2017 in Intellectual Property for Patents: prosecution (including re-examination and post-grant proceedings). This will be the firm’s eighth consecutive year as being recognized for this highly selective honor. Partners Michael Cantor, Phil Colburn, Leah Reimer, Pamela Curbelo, Andy Ryan and Dave Christensen received special recognition from the editors of the publication. Dave Christensen was also recognized as a Next Generation Lawyer.
- IP FrontlineAugust 17, 2006
Partner Dave Christensen’s article, "The Tools to Make Your Patent Valuation Look Better," was published by IP Frontline (August 17, 2006). In it, Dave examines a method of quickly assessing and formulating a valuation for a large volume of patent assets. This process used secondary parameters available from commercial suppliers along with depreciation techniques for communicating the value of the patent assets to financial members of the team.
Events
- March 19, 2020
Cantor Colburn partner Dave Christensen will be part of the webinar "Managing a Multi-Jurisdictional Practice." This webinar is presented by the American Bar Association and airs live on March 19, 2020 at 1PM Eastern.
- November 15, 2019Hartford, Connecticut
Cantor Colburn is a sponsor of the New England Maker Summit 2019 on November 15, 2019, which brings together experts in city planning, Maker Movement industry leaders, entrepreneurs, educators, manufacturers and curious minds to explore "The Impact of Innovation & Making on Urban America." Speakers include Colin Cooper, newly appointed Chief Manufacturing Officer for the State of Connecticut.
- March 27, 2019Plainfield, Connecticut
The 15th Annual Women of Innovation awards gala on March 27, 2019 recognizes women accomplished in science, technology, engineering, math and those who are involved in their community. It is presented by the Connecticut Technology Council, which Cantor Colburn has supported for many years. Tasia Perkins is a volunteer judge of the event.
- March 22, 2019New York City
Cantor Colburn is proud to sponsor the New York Intellectual Property Law Association's 97th Annual Dinner in Honor of the Federal Judiciary on March 22, 2019. The firm is a longtime sponsor of the Judges' Dinner.
- January 23, 2019Las Vegas, Nevada
The American Bar Association (ABA) Mid-Year Meeting 2019 takes place in Las Vegas, Nevada, on January 23-28, 2019. Partner Dave Christensen will attend. He is a member of the ABA's Law Practice Magazine Editorial Board and the Knowledge Strategy Committee.
- October 11, 2018Hartford, Connecticut
Stanley + Techstars Additive Manufacturing Accelerator Demo Day is October 11, 2018 at the Bushnell Theatre in Hartford. It is the culmination of a 12-week program in which ten companies from around the globe relocated to the new Advanced Manufacturing Center of Excellence – Manufactory 4.0 – in Hartford, CT. Cantor Colburn was one of the first law firms in the country to have an Additive Manufacturing Practice Group, led by Dave Christensen.
- March 28, 2018Southington, Connecticut
The Women of Innovation® awards gala on March 28, 2018, celebrates the women who make Connecticut's businesses and institutions strong leaders on the cutting edge. The event is presented by the Connecticut Technology Council.
- March 23, 2018New York City
Cantor Colburn is proud to sponsor the New York Intellectual Property Law Association's 96th Annual Dinner in Honor of the Federal Judiciary on March 23, 2018. The firm is a longtime sponsor of the Judges' Dinner.
- March 7, 2018Chicago
Dave Christensen will attend the ABA TechShow 2018 in Chicago on March 7-10.
- March 31, 2017New York, New York
- Business Model for Licensing2001WRG Conference, Philadelphia PA
- Internet Tools for Technology Licensing2000Yet2.com Conference, Amsterdam, NL
Professional Affiliations
American Bar Association
- Law Practice Magazine Editorial Board
- 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