Registered patent attorney

Timothy J Cheuk

USPTO Reg. 69617

Address

800 Bergquist Dr.

Ballwin, MO, 63011

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in Ballwin, Missouri

Browse all Ballwin patent attorneys →

Frequently asked

Frequently asked about Timothy J Cheuk

  • Is Timothy J Cheuk a registered patent attorney?

    Yes. Timothy J Cheuk is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 69617). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Timothy J Cheuk located?

    Timothy J Cheuk's office is in Ballwin, Missouri (63011).

  • How do I contact Timothy J Cheuk?

    Timothy J Cheuk's office phone (per the USPTO public roster) is 314-482-5380. 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 17:04 EDT