Registered patent attorney

William Marshall Lee

USPTO Reg. 16853

Address

84 Otis Rd

Barrington, IL, 60010

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in Barrington, Illinois

Browse all Barrington patent attorneys →

Frequently asked

Frequently asked about William Marshall Lee

  • Is William Marshall Lee a registered patent attorney?

    Yes. William Marshall Lee is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 16853). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is William Marshall Lee located?

    William Marshall Lee's office is in Barrington, Illinois (60010).

  • How do I contact William Marshall Lee?

    William Marshall Lee's office phone (per the USPTO public roster) is 847-304-6541. 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 17:55 EDT