Registered patent attorney
Douglas J Steinberg
Address
3409 Knight St.
Oceanside, NY, 11572
US
Phone
Registered as
Registered patent attorney
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Frequently asked about Douglas J Steinberg
Is Douglas J Steinberg a registered patent attorney?
Yes. Douglas J Steinberg is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 42167). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Douglas J Steinberg located?
Douglas J Steinberg's office is in Oceanside, New York (11572).
How do I contact Douglas J Steinberg?
Douglas J Steinberg's office phone (per the USPTO public roster) is 516-766-5439. 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.