Registered patent agent

Junrui Yang

USPTO Reg. 48051

Firm

FibroGen, Inc.

Address

409 Illinois Street

San Francisco, CA, 94158

US

Phone

Registered as

Registered patent agent

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Frequently asked

Frequently asked about Junrui Yang

  • Is Junrui Yang a registered patent attorney?

    Junrui Yang is a registered patent agent (USPTO Registration Number 48051). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Junrui Yang located?

    Junrui Yang's office is in San Francisco, California (94158). Affiliated with FibroGen, Inc..

  • What firm does Junrui Yang work at?

    Junrui Yang is listed as affiliated with FibroGen, Inc. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Junrui Yang?

    Junrui Yang's office phone (per the USPTO public roster) is 415-978-1749. 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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