Registered patent attorney

Walter W Brown

USPTO Reg. 47457

Firm

U.S. Department of Justice

Civil Div., Commerical Litigation Branch

Address

1100 L Street, NW, Room 11128

Washington, DC, 20530

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Walter W Brown

  • Is Walter W Brown a registered patent attorney?

    Yes. Walter W Brown is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 47457). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Walter W Brown located?

    Walter W Brown's office is in Washington, District of Columbia (20530). Affiliated with U.S. Department of Justice.

  • What firm does Walter W Brown work at?

    Walter W Brown is listed as affiliated with U.S. Department of Justice on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Walter W Brown?

    Walter W Brown's office phone (per the USPTO public roster) is 202-307-0341. 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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