Registered patent attorney
Frank L. Johnson
Firm
Leydig, Voit & Mayer, Ltd.
Address
180 N. Stetson Ave
#4900
Chicago, IL, 60601
US
Phone
Registered as
Registered patent attorney
Other attorneys at Leydig, Voit & Mayer, Ltd.
- Stephen B BaroneUSPTO Reg. 53968 · Boulder, CO
- Michael J BrandtUSPTO Reg. 71424 · Chicago, IL
- Michael J BurleighUSPTO Reg. 70065 · Boulder, CO
- Gary B ChapmanUSPTO Reg. 51279 · Boulder, CO
- Brent A ChathamUSPTO Reg. 73954 · Chicago, IL
- Pei ChenUSPTO Reg. 73692 · Chicago, IL
- Boris D. ChernomordikUSPTO Reg. 78112 · Boulder, CO
- Rebecca S DiseUSPTO Reg. 65111 · Chicago, IL
Other patent attorneys in Chicago, Illinois
- Lawrence H AaronsonMcDonnell Boehnen Hulbert & Berghoff LLP
- Dennis J AbdelnourHonigman LLP
- Holby Matthew AbernNeal, Gerber & Eisenberg LLP
- Cassandra L. AbernathyUSPTO Reg. 75330
- John AbramicSteptoe & Johnson LLP
- David Brian AbramowitzLocke Lord LLP
- Hugh A AbramsShook, Hardy & Bacon LLP
- Matthias AbrellMarshall Gerstein & Borun, LLP
Frequently asked
Frequently asked about Frank L. Johnson
Is Frank L. Johnson a registered patent attorney?
Yes. Frank L. Johnson is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 69969). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Frank L. Johnson located?
Frank L. Johnson's office is in Chicago, Illinois (60601). Affiliated with Leydig, Voit & Mayer, Ltd..
What firm does Frank L. Johnson work at?
Frank L. Johnson is listed as affiliated with Leydig, Voit & Mayer, Ltd. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Frank L. Johnson?
Frank L. Johnson's office phone (per the USPTO public roster) is 312-616-5600. 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.