Registered patent attorney

Richard P Duffley

USPTO Reg. 52837

Address

378 Treble Cove Road

Billerica, MA, 01862

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Richard P Duffley

  • Is Richard P Duffley a registered patent attorney?

    Yes. Richard P Duffley is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 52837). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Richard P Duffley located?

    Richard P Duffley's office is in Billerica, Massachusetts (01862).

  • How do I contact Richard P Duffley?

    Richard P Duffley's office phone (per the USPTO public roster) is 978-670-5930. Verify availability and intake details directly with the firm before sending privileged materials.

  • Should I prepare anything before contacting a patent attorney?

    Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.

Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.

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