Registered patent attorney
Mark Warren Hetzler
Firm
Fitch, Even, Tabin & Flannery, LLP
Address
120 South LaSalle Street
Suite 1600
Chicago, IL, 60603
US
Phone
Registered as
Registered patent attorney
Other attorneys at Fitch, Even, Tabin & Flannery, LLP
- Timothy R BaumannUSPTO Reg. 40502 · Chicago, IL
- Jon A BirminghamUSPTO Reg. 51222 · Woodland Hills, CA
- Lindsay E BoehmeUSPTO Reg. 84383 · Chicago, IL
- Eric L BroxtermanUSPTO Reg. 54782 · Chicago, IL
- George N DandalidesUSPTO Reg. 69713 · Chicago, IL
- Stephen S FavakehUSPTO Reg. 36798 · Chicago, IL
- Steven M FreelandUSPTO Reg. 42555 · San Diego, CA
- Paul B. HenkelmannUSPTO Reg. 65891 · 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 Mark Warren Hetzler
Is Mark Warren Hetzler a registered patent attorney?
Yes. Mark Warren Hetzler is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 38183). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Mark Warren Hetzler located?
Mark Warren Hetzler's office is in Chicago, Illinois (60603). Affiliated with Fitch, Even, Tabin & Flannery, LLP.
What firm does Mark Warren Hetzler work at?
Mark Warren Hetzler is listed as affiliated with Fitch, Even, Tabin & Flannery, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Mark Warren Hetzler?
Mark Warren Hetzler's office phone (per the USPTO public roster) is 312-577-7000. 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.