Registered patent attorney

Mark W. McDougall

USPTO Reg. 62670

Firm

Calfee, Halter & Griswold, LLP

Address

800 Superior Ave., Suite 1400

Cleveland, OH, 44114

US

Phone

Registered as

Registered patent attorney

Other attorneys at Calfee, Halter & Griswold, LLP

Other patent attorneys in Cleveland, Ohio

Browse all Cleveland patent attorneys →

Frequently asked

Frequently asked about Mark W. McDougall

  • Is Mark W. McDougall a registered patent attorney?

    Yes. Mark W. McDougall is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 62670). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Mark W. McDougall located?

    Mark W. McDougall's office is in Cleveland, Ohio (44114). Affiliated with Calfee, Halter & Griswold, LLP.

  • What firm does Mark W. McDougall work at?

    Mark W. McDougall is listed as affiliated with Calfee, Halter & Griswold, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Mark W. McDougall?

    Mark W. McDougall's office phone (per the USPTO public roster) is 216-622-8524. 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 20:45 EDT