Registered patent attorney

Derek W Yeung

USPTO Reg. 57472

Firm

LOZA & LOZA, LLP

Address

305 N. Second Avenue

# 127

Upland, CA, 91786

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Derek W Yeung

  • Is Derek W Yeung a registered patent attorney?

    Yes. Derek W Yeung is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 57472). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Derek W Yeung located?

    Derek W Yeung's office is in Upland, California (91786). Affiliated with LOZA & LOZA, LLP.

  • What firm does Derek W Yeung work at?

    Derek W Yeung is listed as affiliated with LOZA & LOZA, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Derek W Yeung?

    Derek W Yeung's office phone (per the USPTO public roster) is 714-453-9824. 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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