Registered patent agent

Colin T Dorrian

USPTO Reg. 54658

Firm

Christie, Parker & Hale LLP

Address

350 W. Colorado Blvd.

Suite 500

Pasadena, CA, 91109

US

Phone

Registered as

Registered patent agent

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Frequently asked

Frequently asked about Colin T Dorrian

  • Is Colin T Dorrian a registered patent attorney?

    Colin T Dorrian is a registered patent agent (USPTO Registration Number 54658). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Colin T Dorrian located?

    Colin T Dorrian's office is in Pasadena, California (91109). Affiliated with Christie, Parker & Hale LLP.

  • What firm does Colin T Dorrian work at?

    Colin T Dorrian is listed as affiliated with Christie, Parker & Hale LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Colin T Dorrian?

    Colin T Dorrian's office phone (per the USPTO public roster) is 626-795-9900. 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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