Limited recognition
Yangfan Xu
Firm
Amster Rothstein & Ebenstein LLP
Address
405 Lexington Avenue, Floor 48
New York, NY, 10174
US
Phone
Registered as
Limited recognition
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Frequently asked
Frequently asked about Yangfan Xu
Is Yangfan Xu a registered patent attorney?
Yangfan Xu is registered with the United States Patent and Trademark Office under Registration Number 800092 as a USPTO-registered practitioner.
Where is Yangfan Xu located?
Yangfan Xu's office is in New York, New York (10174). Affiliated with Amster Rothstein & Ebenstein LLP.
What firm does Yangfan Xu work at?
Yangfan Xu is listed as affiliated with Amster Rothstein & Ebenstein LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Yangfan Xu?
Yangfan Xu's office phone (per the USPTO public roster) is 212-336-8000. 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.