Registered patent attorney

German Castillo

USPTO Reg. 51187

Firm

German Castillo Law Office, P.C.

Address

14090 Southwest Freeway

Suite 300

Sugar Land, TX, 77478

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in Sugar Land, Texas

Browse all Sugar Land patent attorneys →

Frequently asked

Frequently asked about German Castillo

  • Is German Castillo a registered patent attorney?

    Yes. German Castillo is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 51187). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is German Castillo located?

    German Castillo's office is in Sugar Land, Texas (77478). Affiliated with German Castillo Law Office, P.C..

  • What firm does German Castillo work at?

    German Castillo is listed as affiliated with German Castillo Law Office, P.C. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact German Castillo?

    German Castillo's office phone (per the USPTO public roster) is 281-340-2027. 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 14:01 EDT