Registered patent agent
Katherine I. Chwistek
Firm
Hanley, Flight & Zimmerman, LLC
Address
10 S Wacker Dr
Suite 3500
Chicago, IL, 60606
US
Phone
Registered as
Registered patent agent
Other attorneys at Hanley, Flight & Zimmerman, LLC
- Priyal BhargavaUSPTO Reg. 81474 · Chicago, IL
- Marianne BuckleyUSPTO Reg. 68104 · Chicago, IL
- Brandon J. DubeUSPTO Reg. 64442 · Chicago, IL
- Sergio D. FiliceUSPTO Reg. 59727 · Chicago, IL
- James A FlightUSPTO Reg. 37622 · Chicago, IL
- Christopher N GeorgeUSPTO Reg. 51728 · Chicago, IL
- Mark G HanleyUSPTO Reg. 44736 · Chicago, IL
- William E JacklinUSPTO Reg. 64894 · 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 Katherine I. Chwistek
Is Katherine I. Chwistek a registered patent attorney?
Katherine I. Chwistek is a registered patent agent (USPTO Registration Number 83076). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Katherine I. Chwistek located?
Katherine I. Chwistek's office is in Chicago, Illinois (60606). Affiliated with Hanley, Flight & Zimmerman, LLC.
What firm does Katherine I. Chwistek work at?
Katherine I. Chwistek is listed as affiliated with Hanley, Flight & Zimmerman, LLC on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Katherine I. Chwistek?
Katherine I. Chwistek's office phone (per the USPTO public roster) is 312-580-1020. 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.