Registered patent attorney

Donald Du Yip

USPTO Reg. 50465

Firm

Yip & Associates Law Offices

Address

7220 N. Rosemeand Blvd.

#212

San Gabriel, CA, 91775

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Donald Du Yip

  • Is Donald Du Yip a registered patent attorney?

    Yes. Donald Du Yip is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 50465). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Donald Du Yip located?

    Donald Du Yip's office is in San Gabriel, California (91775). Affiliated with Yip & Associates Law Offices.

  • What firm does Donald Du Yip work at?

    Donald Du Yip is listed as affiliated with Yip & Associates Law Offices on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Donald Du Yip?

    Donald Du Yip's office phone (per the USPTO public roster) is 626-698-0793. 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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