Registered patent agent
Mary Theresa Hannon
Firm
Sidley Austin LLP
Address
1 S. Dearborn St.
Chicago, IL, 60603
US
Phone
Registered as
Registered patent agent
Other attorneys at Sidley Austin LLP
- Thomas A BroughanUSPTO Reg. 66001 · Washington, DC
- Callie C. ButcherUSPTO Reg. 71135 · Dallas, TX
- Alexis R CohenUSPTO Reg. 76998 · Washington, DC
- Charles S CotropiaUSPTO Reg. 27189 · Dallas, TX
- Carl P EvansUSPTO Reg. 71453 · Chicago, IL
- Ching-Lee FukudaUSPTO Reg. 44334 · New York, NY
- Jason Phillip GreenhutUSPTO Reg. 71657 · Chicago, IL
- Lauren Cranford KatzeffUSPTO Reg. 67499 · Washington, DC
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 Mary Theresa Hannon
Is Mary Theresa Hannon a registered patent attorney?
Mary Theresa Hannon is a registered patent agent (USPTO Registration Number 77149). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Mary Theresa Hannon located?
Mary Theresa Hannon's office is in Chicago, Illinois (60603). Affiliated with Sidley Austin LLP.
What firm does Mary Theresa Hannon work at?
Mary Theresa Hannon is listed as affiliated with Sidley Austin LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Mary Theresa Hannon?
Mary Theresa Hannon's office phone (per the USPTO public roster) is 312-423-3452. 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.