Registered patent attorney

Daniel S. Stringfield

USPTO Reg. 68677

Firm

Nixon Peabody LLP

Address

70 West Madison St.

Suite 5200

Chicago, IL, 60602

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Daniel S. Stringfield

  • Is Daniel S. Stringfield a registered patent attorney?

    Yes. Daniel S. Stringfield is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 68677). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Daniel S. Stringfield located?

    Daniel S. Stringfield's office is in Chicago, Illinois (60602). Affiliated with Nixon Peabody LLP.

  • What firm does Daniel S. Stringfield work at?

    Daniel S. Stringfield is listed as affiliated with Nixon Peabody LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Daniel S. Stringfield?

    Daniel S. Stringfield's office phone (per the USPTO public roster) is 312-977-4400. 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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