Registered patent attorney

John L Welsh

USPTO Reg. 33621

Firm

WELSH FLAXMAN & GITLER LLC

Address

1451 Dolley Madison Blvd.

Suite 210

Mclean, VA, 22101

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about John L Welsh

  • Is John L Welsh a registered patent attorney?

    Yes. John L Welsh is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 33621). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is John L Welsh located?

    John L Welsh's office is in Mclean, Virginia (22101). Affiliated with WELSH FLAXMAN & GITLER LLC.

  • What firm does John L Welsh work at?

    John L Welsh is listed as affiliated with WELSH FLAXMAN & GITLER LLC on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact John L Welsh?

    John L Welsh's office phone (per the USPTO public roster) is 703-920-1122. 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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