Sean Douglas Detweiler



An engineer, a Registered Patent Attorney, a former in-house patent counsel, and a former adjunct professor, Sean is a member of the firm's Intellectual Property practice, the leader of its high-tech patent practice, and the head of its Trademark practice.He is well known as being a highly responsive, collaborative attorney, having over 20 years of experience in IP. His work encompasses many areas of intellectual property protection, including provisional, non-provisional/utility patent and design patent preparation and prosecution, trademark registration, IP due diligence, IP audits, IP governance, and the provision of patentability, non-infringement and freedom-to-operate opinions, as well as identification of infringing competitor products. Sean works closely with a wide range of clients to fulfill their intellectual property needs, including IP portfolio development, strategy, and implementation for startup companies with foundational patent and trademark filings, for emerging growth companies with market share they need to protect from competitors, and for international conglomerates with massive US and international patent and trademark portfolios.Sean works to achieve client goals in protecting patentable inventions in a broad collection of technologies, including medical devices, consumer products, HVAC, energy, clean tech, footwear, apparel, sporting goods, mechanical, electrical, software, computer hardware, telecommunications, and combination technologies including Internet of Things (IoT) technologies, robotics, and mechatronics, securing both utility patent protection, and design patent protection for ornamental product designs.

Areas of Practice (3)

  • Intellectual Property
  • Patents
  • Trademarks

Education & Credentials

Contact Information:
781-622-5930  Phone
University Attended:
Bucknell University, B.S.M.E., 1993
Law School Attended:
Franklin Pierce College Law Cebter, J.D., 1998
Year of First Admission:
registered to practice before U.S. Patent and Trademark Office; 1998, Massachusetts
American Intellectual Property Law Association Boston Patent Law Association.

Peer Reviews

This lawyer does not have peer reviews.

*Peer Reviews provided before April 15, 2008 are not displayed.

Waltham, Massachusetts

Contact Sean Douglas Detweiler

Required Fields

Required Fields

By clicking on the "Submit" button, you agree to the Terms of Use, Supplemental Terms and Privacy Policy. You also consent to be contacted at the phone number you provided, including by autodials, text messages and/or pre-recorded calls, from Martindale and its affiliates and from or on behalf of attorneys you request or contact through this site. Consent is not a condition of purchase.

You should not send any sensitive or confidential information through this site. Emails sent through this site do not create an attorney-client relationship and may not be treated as privileged or confidential. The lawyer or law firm you are contacting is not required to, and may choose not to, accept you as a client. The Internet is not necessarily secure and emails sent though this site could be intercepted or read by third parties.