Registered patent attorney
David Gustav Rosenbaum
Firm
Rosenbaum IP, P.C.
Address
318 West Adams St.
Suite 1701
Chicago, IL, 60606
US
Phone
Registered as
Registered patent attorney
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- Holby Matthew AbernNeal, Gerber & Eisenberg LLP
- Cassandra L. AbernathyUSPTO Reg. 75330
- John AbramicSteptoe & Johnson LLP
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Frequently asked
Frequently asked about David Gustav Rosenbaum
Is David Gustav Rosenbaum a registered patent attorney?
Yes. David Gustav Rosenbaum is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 31872). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is David Gustav Rosenbaum located?
David Gustav Rosenbaum's office is in Chicago, Illinois (60606). Affiliated with Rosenbaum IP, P.C..
What firm does David Gustav Rosenbaum work at?
David Gustav Rosenbaum is listed as affiliated with Rosenbaum IP, P.C. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact David Gustav Rosenbaum?
David Gustav Rosenbaum's office phone (per the USPTO public roster) is 847-770-6000. 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.