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Duane Henry Dreger



p: 617-951-3080

f: 617-951-3927

Duane Dreger.jpg



  • The Ohio State University (J.D., 2002)

  • UNH School of Law Visiting Student (2001-2002)

  • Massachusetts Institute of Technology (S.B. in Mathematics, 1999)

Bar Admissions

  • Commonwealth of Massachusetts 2002

  • District of Massachusetts 2003

  • Federal Circuit 2003

  • USPTO 2001

  • Maine 2014

  • District of Maine 2014

Duane H. Dreger, has a practice that focuses on patent and trademark prosecution and client counseling.


He has represented clients in contested matters, from pre-suit investigations, infringement and invalidity studies to litigation in federal district courts and before the International Trade Commission in Section 337 proceedings.


Duane also has extensive experience in IP due diligence work as part of large-scale corporate transactions.


His practice focuses on a wide range of technology areas including cryptography, mass data storage, networking, telecommunications, machine vision, business methods, mechanical engineering matters, automation machinery, financial and payment systems, hardware design and software-based inventions.


Duane’s clients range from individuals and startup companies to large multi-national corporations. He has experience in helping clients grow and manage their patent and trademark portfolios, both in the United States and worldwide.

Representative Matters

  • Represented a patent holder in both federal district court litigation as well as before the ITC in a Section 337 action.  Both actions settled with a substantial payment to the patent holder.

  • Represented a patent owner in inter partes re-examination proceedings initiated in relation to several co-pending federal district court litigation proceedings. Successfully defended the original claims and was able to obtain significant numbers of new claims.

  • Represented trademark owner in multiple successful opposition proceedings to protect the client’s house mark from competitors.

  • Represented, in connection with foreign co-counsel, trademark applicant in successful non-use cancellation proceedings to obtain foreign trademark rights.

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