Registered patent agent

Charles H Dresser

USPTO Reg. 70797

Firm

Caldwell Law

Address

200 Clarendon St.

59 FLR

Boston, MA, 02116

US

Phone

Registered as

Registered patent agent

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Frequently asked

Frequently asked about Charles H Dresser

  • Is Charles H Dresser a registered patent attorney?

    Charles H Dresser is a registered patent agent (USPTO Registration Number 70797). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Charles H Dresser located?

    Charles H Dresser's office is in Boston, Massachusetts (02116). Affiliated with Caldwell Law.

  • What firm does Charles H Dresser work at?

    Charles H Dresser is listed as affiliated with Caldwell Law on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Charles H Dresser?

    Charles H Dresser's office phone (per the USPTO public roster) is 207-240-1203. 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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