Registered patent attorney

John A Tang

USPTO Reg. 43404

Firm

Clark Hill PLC

Address

1000 Louisiana Street

Suite 2800

Houston, TX, 77002

US

Phone

Registered as

Registered patent attorney

Other attorneys at Clark Hill PLC

Other patent attorneys in Houston, Texas

Browse all Houston patent attorneys →

Frequently asked

Frequently asked about John A Tang

  • Is John A Tang a registered patent attorney?

    Yes. John A Tang is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 43404). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is John A Tang located?

    John A Tang's office is in Houston, Texas (77002). Affiliated with Clark Hill PLC.

  • What firm does John A Tang work at?

    John A Tang is listed as affiliated with Clark Hill PLC on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact John A Tang?

    John A Tang's office phone (per the USPTO public roster) is 713-951-5600. 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