Registered patent agent

Hyoungsoo Yoon

USPTO Reg. 57637

Address

1030 E. El Camino Real #162

Sunnyvale, CA, 94087

US

Phone

Registered as

Registered patent agent

Other patent attorneys in Sunnyvale, California

Browse all Sunnyvale patent attorneys →

Frequently asked

Frequently asked about Hyoungsoo Yoon

  • Is Hyoungsoo Yoon a registered patent attorney?

    Hyoungsoo Yoon is a registered patent agent (USPTO Registration Number 57637). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Hyoungsoo Yoon located?

    Hyoungsoo Yoon's office is in Sunnyvale, California (94087).

  • How do I contact Hyoungsoo Yoon?

    Hyoungsoo Yoon's office phone (per the USPTO public roster) is 408-309-8010. 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.

build 4315ed5 · 2026-05-22 17:54 EDT