Registered patent attorney

Charles J Barbas

USPTO Reg. 32959

Firm

Cesari and McKenna LLP

Address

One Liberty Square

Suite 310

Boston, MA, 02109

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Charles J Barbas

  • Is Charles J Barbas a registered patent attorney?

    Yes. Charles J Barbas is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 32959). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Charles J Barbas located?

    Charles J Barbas's office is in Boston, Massachusetts (02109). Affiliated with Cesari and McKenna LLP.

  • What firm does Charles J Barbas work at?

    Charles J Barbas is listed as affiliated with Cesari and McKenna LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Charles J Barbas?

    Charles J Barbas's office phone (per the USPTO public roster) is 617-951-2500. 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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