Limited recognition

Erxin Du

USPTO Reg. 800105

Firm

Fox Rothschild LLP

Address

101 Park Ave

New York, NY, 10016

US

Phone

Registered as

Limited recognition

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Frequently asked

Frequently asked about Erxin Du

  • Is Erxin Du a registered patent attorney?

    Erxin Du is registered with the United States Patent and Trademark Office under Registration Number 800105 as a USPTO-registered practitioner.

  • Where is Erxin Du located?

    Erxin Du's office is in New York, New York (10016). Affiliated with Fox Rothschild LLP.

  • What firm does Erxin Du work at?

    Erxin Du is listed as affiliated with Fox Rothschild LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Erxin Du?

    Erxin Du's office phone (per the USPTO public roster) is 857-498-9046. 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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