Registered patent attorney

David L. Washington

USPTO Reg. 62265

Firm

Law Offices of David L. Washington

Address

702 South Charles Street

Baltimore, MD, 21230

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about David L. Washington

  • Is David L. Washington a registered patent attorney?

    Yes. David L. Washington is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 62265). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is David L. Washington located?

    David L. Washington's office is in Baltimore, Maryland (21230). Affiliated with Law Offices of David L. Washington.

  • What firm does David L. Washington work at?

    David L. Washington is listed as affiliated with Law Offices of David L. Washington on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact David L. Washington?

    David L. Washington's office phone (per the USPTO public roster) is 202-297-9778. 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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