Registered patent agent

Duen-Hwa Yan

USPTO Reg. 66801

Firm

McBee Moore Woodward & Vanik IP, LLC

Address

510 South Market Street

Frederick, MD, 21701

US

Phone

Registered as

Registered patent agent

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Frequently asked

Frequently asked about Duen-Hwa Yan

  • Is Duen-Hwa Yan a registered patent attorney?

    Duen-Hwa Yan is a registered patent agent (USPTO Registration Number 66801). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Duen-Hwa Yan located?

    Duen-Hwa Yan's office is in Frederick, Maryland (21701). Affiliated with McBee Moore Woodward & Vanik IP, LLC.

  • What firm does Duen-Hwa Yan work at?

    Duen-Hwa Yan is listed as affiliated with McBee Moore Woodward & Vanik IP, LLC on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Duen-Hwa Yan?

    Duen-Hwa Yan's office phone (per the USPTO public roster) is 301-453-6107. 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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