Registered patent agent

Dat D. Mai

USPTO Reg. 83802

Address

40 Crestline Drive

Apt 2

San Francisco, CA, 94131

US

Phone

Registered as

Registered patent agent

Other patent attorneys in San Francisco, California

Browse all San Francisco patent attorneys →

Frequently asked

Frequently asked about Dat D. Mai

  • Is Dat D. Mai a registered patent attorney?

    Dat D. Mai is a registered patent agent (USPTO Registration Number 83802). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Dat D. Mai located?

    Dat D. Mai's office is in San Francisco, California (94131).

  • How do I contact Dat D. Mai?

    Dat D. Mai's office phone (per the USPTO public roster) is 347-717-0023. 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 19:52 EDT