Registered patent agent
Leonard M Giannone
Firm
McCracken & Gillen
Address
1315 W. 22nd Street
Suite 225
Oak Brook, IL, 60523
US
Phone
Registered as
Registered patent agent
Other patent attorneys in Oak Brook, Illinois
- Rickard K DeMilleCNH Industrial America LLC
- J William FrankMcCracken & Gillen
- John M KlempirUSPTO Reg. 57615
- Yi LuCherskov Flaynik & Gurda, LLC
- William E McCrackenMcCracken & Gillen LLC
- David R MorrisChamberlain Group
- Stephen J ShawChamberlain Group
- Soula SkokosSkokos Law Group, LLC
Frequently asked
Frequently asked about Leonard M Giannone
Is Leonard M Giannone a registered patent attorney?
Leonard M Giannone is a registered patent agent (USPTO Registration Number 73836). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Leonard M Giannone located?
Leonard M Giannone's office is in Oak Brook, Illinois (60523). Affiliated with McCracken & Gillen.
What firm does Leonard M Giannone work at?
Leonard M Giannone is listed as affiliated with McCracken & Gillen on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Leonard M Giannone?
Leonard M Giannone's office phone (per the USPTO public roster) is 630-286-7600. 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.