Registered patent attorney
Joseph J Berghammer
Firm
Banner and Witcoff, Ltd
Address
71 South Wacker Drive
Suite 3600
Chicago, IL, 60606
US
Phone
Registered as
Registered patent attorney
Other attorneys at Banner and Witcoff, 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 Joseph J Berghammer
Is Joseph J Berghammer a registered patent attorney?
Yes. Joseph J Berghammer is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 46057). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Joseph J Berghammer located?
Joseph J Berghammer's office is in Chicago, Illinois (60606). Affiliated with Banner and Witcoff, Ltd.
What firm does Joseph J Berghammer work at?
Joseph J Berghammer is listed as affiliated with Banner and Witcoff, Ltd on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Joseph J Berghammer?
Joseph J Berghammer's office phone (per the USPTO public roster) is 312-463-5000. 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.