Registered patent attorney
Zachary D Silbersher
Firm
Kroub, Sibersher & Kolmykov PLLC
Address
305 Broadway, 7th Floor
New York, NY, 10007
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about Zachary D Silbersher
Is Zachary D Silbersher a registered patent attorney?
Yes. Zachary D Silbersher is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 62090). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Zachary D Silbersher located?
Zachary D Silbersher's office is in New York, New York (10007). Affiliated with Kroub, Sibersher & Kolmykov PLLC.
What firm does Zachary D Silbersher work at?
Zachary D Silbersher is listed as affiliated with Kroub, Sibersher & Kolmykov PLLC on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Zachary D Silbersher?
Zachary D Silbersher's office phone (per the USPTO public roster) is 212-323-7442. 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.