Registered patent attorney
David A. Koonce
Address
911 Washington Ave.
#500
St. Louis, MO, 63101
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about David A. Koonce
Is David A. Koonce a registered patent attorney?
Yes. David A. Koonce is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 72315). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is David A. Koonce located?
David A. Koonce's office is in St. Louis, Missouri (63101).
How do I contact David A. Koonce?
David A. Koonce's office phone (per the USPTO public roster) is 314-736-2287. 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.