Registered patent attorney
Thomas R Fitzsimons
Firm
Greer Burns and Crain, Ltd.
Address
300 S Wacker Dr, Suite 2500
Chicago, IL, 60606
US
Phone
Registered as
Registered patent attorney
Other attorneys at Greer Burns and Crain, Ltd.
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 Thomas R Fitzsimons
Is Thomas R Fitzsimons a registered patent attorney?
Yes. Thomas R Fitzsimons is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 40607). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Thomas R Fitzsimons located?
Thomas R Fitzsimons's office is in Chicago, Illinois (60606). Affiliated with Greer Burns and Crain, Ltd..
What firm does Thomas R Fitzsimons work at?
Thomas R Fitzsimons is listed as affiliated with Greer Burns and Crain, Ltd. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Thomas R Fitzsimons?
Thomas R Fitzsimons's office phone (per the USPTO public roster) is 312-360-0080. 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.