Registered patent attorney

Robert J Clark

USPTO Reg. 45835

Firm

Parker Hannifin Corporation

Address

6035 Parkland Boulevard

Cleveland, OH, 44124-4141

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Robert J Clark

  • Is Robert J Clark a registered patent attorney?

    Yes. Robert J Clark is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 45835). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Robert J Clark located?

    Robert J Clark's office is in Cleveland, Ohio (44124-4141). Affiliated with Parker Hannifin Corporation.

  • What firm does Robert J Clark work at?

    Robert J Clark is listed as affiliated with Parker Hannifin Corporation on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Robert J Clark?

    Robert J Clark's office phone (per the USPTO public roster) is 216-896-2790. 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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