Registered patent attorney
Daniel X Yan
Firm
Dow Chemical (China) Investment Co., Ltd.
Zhangjiang Hi-Tech Park
Address
No. 936, Zhangheng Road
Shanghai, 201203
CN
Phone
Registered as
Registered patent attorney
Frequently asked
Frequently asked about Daniel X Yan
Is Daniel X Yan a registered patent attorney?
Yes. Daniel X Yan is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 54555). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
What firm does Daniel X Yan work at?
Daniel X Yan is listed as affiliated with Dow Chemical (China) Investment Co., Ltd. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Daniel X Yan?
Daniel X Yan's office phone (per the USPTO public roster) is 862-138-512608. 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.