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Keith is a trusted advisor in intellectual property matters both in the U.S. and abroad, with over 20 years of experience.

As a seasoned patent prosecutor, he assists clients including start-ups, universities, and companies of all sizes with building strategic patent portfolios.

With a background in Physics from Harvard, Keith practices in a wide variety of technologies, such as semiconductor manufacturing, graphene-based materials, microfluidics, medical devices, acoustics, optics, filtration, speech-recognition software, nanomaterials, and clean energy technologies.

Specializing in patent prosecution, Keith helps clients obtain patent rights worldwide.  He manages large patent portfolios, creating consistent strategies across multiple jurisdictions.  Keith’s breadth and depth of understanding of each client’s invention is clearly conveyed during examination of patent applications and is consistently effective in obtaining patent rights.

Keith draws on his technical and legal expertise gained in patent prosecution to provide insightful understanding of issues in IP litigation and administrative proceedings.  He has successfully counseled clients in multiple parallel Inter Partes Review (“IPR”) proceedings at the United States Patent and Trademark Office (“USPTO”).

Keith is a past co-chair of the Boston Patent Law Association’s International and Foreign Practice Committee.  For several years, he served as Committee Chair of the Energy Special Interest Group of the MIT Enterprise Forum of Cambridge.

Representative Litigation Matters before the Patent Trial and Appeal Board and United States Court of Appeals for the Federal Circuit:

  • Member of litigation team that represented a university spinoff patent owner in successfully obtaining denial of institution of multiple Inter Partes Review (“IPR”) petitions filed at the Patent Trial and Appeal Board by an American multinational automobile manufacturer.
  • Member of litigation team that represented a large telecommunications company patent owner in responding to a series of Inter Partes Review (“IPR”) petitions filed at the Patent Trial and Appeal Board by a multinational networking and telecommunications company.
  • Member of litigation team in multiple appeals before the United States Court of Appeals for the Federal Circuit with successes related to remands to the Patent Trial and Appeal Board in view of the Arthrex appointments clause constitutional case.

Representative Patent Prosecution Matters:

  • Represented an acoustics company in evaluating and expanding its patent portfolio.
  • Represented an optical medical device company in developing its patent portfolio.
  • Prosecuted patent applications directed to advanced technologies such as microfluidics, graphene, and nanopores for several major universities.
  • Prosecuted patent applications related to fluid filtration and electrostatic chucks for semiconductor manufacturing client.
  • Prosecuted complex software patent applications for small companies, large companies and universities.
  • Assisted foreign counsel with obtaining U.S. national stage protection of their foreign clients’ patent portfolios.
  • Prosecuted patent applications for diverse technologies, including mechanical systems and laser sensors.
  • Prosecuted U.S. and foreign patent portfolios for companies in fields such as medical devices and very low temperature refrigeration.

Representative Strategic Counseling Matters:

  • Conducted IP due diligence for successful acquisition of a privately held acoustics company.
  • Conducted IP Due diligence for successful acquisition of a sensor company by Japanese multinational electronics company.
  • Counseled clients on the importance of design patent and trademark protection as valuable additions to their overall IP protection and patent portfolios.
  • Conducted IP due diligence related to investments and public offering of a medical device manufacturer.
  • Counseled numerous companies on patentability matters across many technology sectors.
  • Performed competitive assessments and monitoring of IP portfolios for clients interested in strategic growth and positioning of their businesses.

Bar Admissions

  • U.S. Court of Appeals for the Federal Circuit
  • U.S. District Court, District of Massachusetts
  • U.S. Patent and Trademark Office
  • Massachusetts


  • A.B. in Physics, Harvard College
  • J.D., Boston College Law School
  • American Intellectual Property Law Association
  • Boston Bar Association
  • Boston Patent Law Association
    • Past co-chair of the International and Foreign Practice Committee
  • MIT eForum of Cambridge, Past Committee Chair, Energy Special Interest Group (Energy SIG)