Registered patent attorney

Denis James Sullivan

USPTO Reg. 47980

Firm

Barclay Damon, LLP

Address

Barclay Damon Tower

125 East Jefferson Street

Syracuse, NY, 13202

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Denis James Sullivan

  • Is Denis James Sullivan a registered patent attorney?

    Yes. Denis James Sullivan is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 47980). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Denis James Sullivan located?

    Denis James Sullivan's office is in Syracuse, New York (13202). Affiliated with Barclay Damon, LLP.

  • What firm does Denis James Sullivan work at?

    Denis James Sullivan is listed as affiliated with Barclay Damon, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Denis James Sullivan?

    Denis James Sullivan's office phone (per the USPTO public roster) is 315-425-2868. 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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