Registered patent attorney

Charles S Cotropia

USPTO Reg. 27189

Firm

Sidley Austin LLP

Address

2001 Ross Avenue

Suite 3600

Dallas, TX, 75201

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Charles S Cotropia

  • Is Charles S Cotropia a registered patent attorney?

    Yes. Charles S Cotropia is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 27189). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Charles S Cotropia located?

    Charles S Cotropia's office is in Dallas, Texas (75201). Affiliated with Sidley Austin LLP.

  • What firm does Charles S Cotropia work at?

    Charles S Cotropia is listed as affiliated with Sidley Austin LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Charles S Cotropia?

    Charles S Cotropia's office phone (per the USPTO public roster) is 214-981-3305. 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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