Registered patent attorney
Liang Zeng Yan
Firm
Regeneron Pharmaceuticals Inc
Tarrytown 33-308
Address
777 Old Saw Mill River Road
Tarrytown, NY, 10591
US
Phone
Registered as
Registered patent attorney
Other patent attorneys in Tarrytown, New York
- James C AbruzzoMomentive Performance Materials Inc.
- Trisha AgrawalRegeneron Pharmaceuticals, Inc.
- Gabriele A. AmodeoRegeneron Pharmaceuticals, Inc
- Geraldine F BaldwinUSPTO Reg. 31232
- Anne E BarschallUSPTO Reg. 31089
- Mitchell BernsteinRegeneron Pharmaceuticals
- Dennis M BissonnetteRegeneron Pharmaceuticals, Inc.
- Peter BucciPeter Bucci, Esq.
Frequently asked
Frequently asked about Liang Zeng Yan
Is Liang Zeng Yan a registered patent attorney?
Yes. Liang Zeng Yan is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 73448). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Liang Zeng Yan located?
Liang Zeng Yan's office is in Tarrytown, New York (10591). Affiliated with Regeneron Pharmaceuticals Inc.
What firm does Liang Zeng Yan work at?
Liang Zeng Yan is listed as affiliated with Regeneron Pharmaceuticals Inc on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Liang Zeng Yan?
Liang Zeng Yan's office phone (per the USPTO public roster) is 914-409-6476. 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.