Registered patent agent
Donald L Barbeau
Address
6 Williamsburg Cir
Evanston, IL, 60203
US
Phone
Registered as
Registered patent agent
Other patent attorneys in Evanston, Illinois
- Andrew D. BlakeUSPTO Reg. 83969
- Mark J. BuisseretUSPTO Reg. 60979
- John W. CalkinsNorthwestern University
- Daniel W CelanderCelander Law Firm Ltd.
- David C. ChenNorthside Law Office, Ltd.
- Mitul R ChowdhuryCardinal Intellectual Property
- Christine M CochranNorthwestern University
- Kevin G CrokeUSPTO Reg. 57859
Frequently asked
Frequently asked about Donald L Barbeau
Is Donald L Barbeau a registered patent attorney?
Donald L Barbeau is a registered patent agent (USPTO Registration Number 29766). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Donald L Barbeau located?
Donald L Barbeau's office is in Evanston, Illinois (60203).
How do I contact Donald L Barbeau?
Donald L Barbeau's office phone (per the USPTO public roster) is 847-679-1146. 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.