Registered patent attorney
Kathleen Farrell Duhig
Firm
Office of the Illinos Attorney General
Address
100 West Randolph Street
Chicago, IL, 60601
US
Phone
Registered as
Registered patent attorney
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 Kathleen Farrell Duhig
Is Kathleen Farrell Duhig a registered patent attorney?
Yes. Kathleen Farrell Duhig is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 62616). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Kathleen Farrell Duhig located?
Kathleen Farrell Duhig's office is in Chicago, Illinois (60601). Affiliated with Office of the Illinos Attorney General.
What firm does Kathleen Farrell Duhig work at?
Kathleen Farrell Duhig is listed as affiliated with Office of the Illinos Attorney General on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Kathleen Farrell Duhig?
Kathleen Farrell Duhig's office phone (per the USPTO public roster) is 312-814-3000. 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.