Registered patent attorney
John A Carnahan
Firm
Husch Blackwell Sanders LLP
Address
120 S. Riverside Plaza, 22nd Floor
Chicago, IL, 60606
US
Phone
Registered as
Registered patent attorney
Other attorneys at Husch Blackwell Sanders LLP
- Samuel DiGirolamoUSPTO Reg. 29915 · St Louis, MO
- Kristine L KappelUSPTO Reg. 67136 · Kansas City, MO
- Patrick D KuehlUSPTO Reg. 59440 · Kansas City, MO
- Nathan E OleenUSPTO Reg. 58399 · Kansas City, MO
- Kathleen Ann RheintgenUSPTO Reg. 34044 · Chicago, IL
- Philip D SegrestUSPTO Reg. 39021 · Chicago, IL
- Gerald Thomas ShekletonUSPTO Reg. 27466 · 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 John A Carnahan
Is John A Carnahan a registered patent attorney?
Yes. John A Carnahan is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 44592). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is John A Carnahan located?
John A Carnahan's office is in Chicago, Illinois (60606). Affiliated with Husch Blackwell Sanders LLP.
What firm does John A Carnahan work at?
John A Carnahan is listed as affiliated with Husch Blackwell Sanders LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact John A Carnahan?
John A Carnahan's office phone (per the USPTO public roster) is 312-655-1500. 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.