Registered patent agent

Wingho Yu

USPTO Reg. 62605

Firm

Keyssa, Inc.

Address

655 Campbell Technology Parkway

Suite 275

Campbell, CA, 95008

US

Phone

Registered as

Registered patent agent

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Frequently asked

Frequently asked about Wingho Yu

  • Is Wingho Yu a registered patent attorney?

    Wingho Yu is a registered patent agent (USPTO Registration Number 62605). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Wingho Yu located?

    Wingho Yu's office is in Campbell, California (95008). Affiliated with Keyssa, Inc..

  • What firm does Wingho Yu work at?

    Wingho Yu is listed as affiliated with Keyssa, Inc. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Wingho Yu?

    Wingho Yu's office phone (per the USPTO public roster) is 408-637-2320. 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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