Registered patent attorney
Gregory S. Shak
Firm
Sikora Law LLC
Address
88 Main Street
Columbus, OH, 43215
US
Phone
Registered as
Registered patent attorney
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- Thomas S BakerUSPTO Reg. 25662
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Frequently asked
Frequently asked about Gregory S. Shak
Is Gregory S. Shak a registered patent attorney?
Yes. Gregory S. Shak is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 72829). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Gregory S. Shak located?
Gregory S. Shak's office is in Columbus, Ohio (43215). Affiliated with Sikora Law LLC.
What firm does Gregory S. Shak work at?
Gregory S. Shak is listed as affiliated with Sikora Law LLC on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Gregory S. Shak?
Gregory S. Shak's office phone (per the USPTO public roster) is 614-444-7786. 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.