Registered patent attorney
Christopher J. Gass
Firm
Leydig, Voit & Mayer, Ltd
Address
Two Prudential Plaza, Suite 4900
180 North Stetson Avenue
Chicago, IL, 60601
US
Phone
Registered as
Registered patent attorney
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 Christopher J. Gass
Is Christopher J. Gass a registered patent attorney?
Yes. Christopher J. Gass is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 69265). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Christopher J. Gass located?
Christopher J. Gass's office is in Chicago, Illinois (60601). Affiliated with Leydig, Voit & Mayer, Ltd.
What firm does Christopher J. Gass work at?
Christopher J. Gass is listed as affiliated with Leydig, Voit & Mayer, Ltd on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Christopher J. Gass?
Christopher J. Gass's office phone (per the USPTO public roster) is 312-616-5634. 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.