Registered patent attorney

Ellen B Sullivan

USPTO Reg. 77975

Address

111 Rice Street

Cambridge, MA, 02140

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Ellen B Sullivan

  • Is Ellen B Sullivan a registered patent attorney?

    Yes. Ellen B Sullivan is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 77975). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Ellen B Sullivan located?

    Ellen B Sullivan's office is in Cambridge, Massachusetts (02140).

  • How do I contact Ellen B Sullivan?

    Ellen B Sullivan's office phone (per the USPTO public roster) is 617-714-4375. 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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