Registered patent agent

Hardadi Sumadiwirya

USPTO Reg. 67079

Firm

Liang & Cheng, A Professional Corporation

Address

4677 Old Ironsides Drive

Suite 200

Santa Clara, CA, 95054

US

Phone

Registered as

Registered patent agent

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Frequently asked

Frequently asked about Hardadi Sumadiwirya

  • Is Hardadi Sumadiwirya a registered patent attorney?

    Hardadi Sumadiwirya is a registered patent agent (USPTO Registration Number 67079). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Hardadi Sumadiwirya located?

    Hardadi Sumadiwirya's office is in Santa Clara, California (95054). Affiliated with Liang & Cheng, A Professional Corporation.

  • What firm does Hardadi Sumadiwirya work at?

    Hardadi Sumadiwirya is listed as affiliated with Liang & Cheng, A Professional Corporation on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Hardadi Sumadiwirya?

    Hardadi Sumadiwirya's office phone (per the USPTO public roster) is 425-922-8943. 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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