Registered patent attorney

William C Spence

USPTO Reg. 48186

Firm

SpencePC

Address

515 N State Street, 14th Floor

Chicago, IL, 60654

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about William C Spence

  • Is William C Spence a registered patent attorney?

    Yes. William C Spence is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 48186). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is William C Spence located?

    William C Spence's office is in Chicago, Illinois (60654). Affiliated with SpencePC.

  • What firm does William C Spence work at?

    William C Spence is listed as affiliated with SpencePC on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact William C Spence?

    William C Spence's office phone (per the USPTO public roster) is 312-404-8882. 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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