Registered patent attorney
Jonathan P Soifer
Firm
Sandberg Phoenix & von Gontard P.C.
Address
120 S. Central Ave., Suite 1600
St Louis, MO, 63131
US
Phone
Registered as
Registered patent attorney
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- Jay I BalkUSPTO Reg. 36738
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- Matthew A BraunelThompson Coburn LLP
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Frequently asked
Frequently asked about Jonathan P Soifer
Is Jonathan P Soifer a registered patent attorney?
Yes. Jonathan P Soifer is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 34932). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Jonathan P Soifer located?
Jonathan P Soifer's office is in St Louis, Missouri (63131). Affiliated with Sandberg Phoenix & von Gontard P.C..
What firm does Jonathan P Soifer work at?
Jonathan P Soifer is listed as affiliated with Sandberg Phoenix & von Gontard P.C. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Jonathan P Soifer?
Jonathan P Soifer's office phone (per the USPTO public roster) is 314-725-9100. 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.