Registered patent agent

Alex W. Au

USPTO Reg. 72456

Firm

Tung & Associates, Solicitors

Address

13/F, Tai Sang Bank Building

748 Nathan Road

Kowloon, SAR

CN

Phone

Registered as

Registered patent agent

Frequently asked

Frequently asked about Alex W. Au

  • Is Alex W. Au a registered patent attorney?

    Alex W. Au is a registered patent agent (USPTO Registration Number 72456). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • What firm does Alex W. Au work at?

    Alex W. Au is listed as affiliated with Tung & Associates, Solicitors on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Alex W. Au?

    Alex W. Au's office phone (per the USPTO public roster) is 852-280-50118. 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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