Registered patent attorney
Leonard L Lewis
Firm
Calfee Halter and Griswold LLP
Address
1405 E. 6th Street
The Calfee Building
Cleveland, OH, 44114
US
Phone
Registered as
Registered patent attorney
Other attorneys at Calfee Halter and Griswold LLP
Other patent attorneys in Cleveland, Ohio
- Thomas W AdamsRenner Otto Boisselle & Sklar LLP
- Andrew W. AlexanderCalfee, Halter & Griswold LLP
- Himanshu S AminUSPTO Reg. 40894
- Paige Christopher AndersonAnderson Law Offices
- Curran William AroraCase Western Reserve University School of Law
- Brian M AsquithUSPTO Reg. 66129
- Steven M AuvilSquire Sanders (US) LLP
- Brian W AyersTucker Ellis LLP
Frequently asked
Frequently asked about Leonard L Lewis
Is Leonard L Lewis a registered patent attorney?
Yes. Leonard L Lewis is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 31176). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Leonard L Lewis located?
Leonard L Lewis's office is in Cleveland, Ohio (44114). Affiliated with Calfee Halter and Griswold LLP.
What firm does Leonard L Lewis work at?
Leonard L Lewis is listed as affiliated with Calfee Halter and Griswold LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Leonard L Lewis?
Leonard L Lewis's office phone (per the USPTO public roster) is 216-622-8683. 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.