Registered patent attorney
Haifeng Xue
Firm
Sullivan & Cromwell LLP
Address
28th Floor, Nine Queen's Road Central
Hong Kong
HK
Phone
Registered as
Registered patent attorney
Other attorneys at Sullivan & Cromwell LLP
Frequently asked
Frequently asked about Haifeng Xue
Is Haifeng Xue a registered patent attorney?
Yes. Haifeng Xue is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 58089). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
What firm does Haifeng Xue work at?
Haifeng Xue is listed as affiliated with Sullivan & Cromwell LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Haifeng Xue?
Haifeng Xue's office phone (per the USPTO public roster) is (85-2) -2826 8677. 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.