Registered patent agent

Yi-Ju Chen

USPTO Reg. 79474

Firm

Knobbe, Martens, Olson & Bear, LLP

Address

2040 Main Street

14th FL

Irvine, CA, 92614

US

Phone

Registered as

Registered patent agent

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Frequently asked

Frequently asked about Yi-Ju Chen

  • Is Yi-Ju Chen a registered patent attorney?

    Yi-Ju Chen is a registered patent agent (USPTO Registration Number 79474). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Yi-Ju Chen located?

    Yi-Ju Chen's office is in Irvine, California (92614). Affiliated with Knobbe, Martens, Olson & Bear, LLP.

  • What firm does Yi-Ju Chen work at?

    Yi-Ju Chen is listed as affiliated with Knobbe, Martens, Olson & Bear, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Yi-Ju Chen?

    Yi-Ju Chen's office phone (per the USPTO public roster) is 858-707-4000. 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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