Registered patent agent
David D. Osinski
Firm
Hanley, Flight, and Zimmerman, LLC
Address
10 S. Wacker Drive
STE 3500
Chicago, IL, 60606
US
Phone
Registered as
Registered patent agent
Other attorneys at Hanley, Flight, and Zimmerman, LLC
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 David D. Osinski
Is David D. Osinski a registered patent attorney?
David D. Osinski is a registered patent agent (USPTO Registration Number 82060). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is David D. Osinski located?
David D. Osinski's office is in Chicago, Illinois (60606). Affiliated with Hanley, Flight, and Zimmerman, LLC.
What firm does David D. Osinski work at?
David D. Osinski is listed as affiliated with Hanley, Flight, and Zimmerman, LLC on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact David D. Osinski?
David D. Osinski'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.