Registered patent attorney

Charlton Shen

USPTO Reg. 54442

Address

1927 SE Elliott Avenue

Portland, OR, 97214

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Charlton Shen

  • Is Charlton Shen a registered patent attorney?

    Yes. Charlton Shen is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 54442). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Charlton Shen located?

    Charlton Shen's office is in Portland, Oregon (97214).

  • How do I contact Charlton Shen?

    Charlton Shen's office phone (per the USPTO public roster) is 781-718-2114. 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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