Registered patent attorney
Vasilios D Dossas
Firm
Niro, Haller and Niro
Address
181 W Madison Street
Suite 4600
Chicago, IL, 60602
US
Phone
Registered as
Registered patent attorney
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- Cassandra L. AbernathyUSPTO Reg. 75330
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Frequently asked
Frequently asked about Vasilios D Dossas
Is Vasilios D Dossas a registered patent attorney?
Yes. Vasilios D Dossas is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 30745). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Vasilios D Dossas located?
Vasilios D Dossas's office is in Chicago, Illinois (60602). Affiliated with Niro, Haller and Niro.
What firm does Vasilios D Dossas work at?
Vasilios D Dossas is listed as affiliated with Niro, Haller and Niro on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Vasilios D Dossas?
Vasilios D Dossas's office phone (per the USPTO public roster) is 312-236-0733. 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.