Registered patent attorney
David H Bluestone
Firm
Barack Ferrazzano Kirschbaum & Nagelberg
Address
200 West Madison Street
Suite 3900
Chicago, IL, 60606
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 David H Bluestone
Is David H Bluestone a registered patent attorney?
Yes. David H Bluestone is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 44542). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is David H Bluestone located?
David H Bluestone's office is in Chicago, Illinois (60606). Affiliated with Barack Ferrazzano Kirschbaum & Nagelberg.
What firm does David H Bluestone work at?
David H Bluestone is listed as affiliated with Barack Ferrazzano Kirschbaum & Nagelberg on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact David H Bluestone?
David H Bluestone's office phone (per the USPTO public roster) is 312-984-3106. 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.