Registered patent agent
Chien-hung Yu
Firm
Jiang Chyun Intellectual Property Office
Address
No. 100 Roosevelt Road, Section 2, 7 Flooor - 1
Taipei City, 10084
TW
Phone
Registered as
Registered patent agent
Other attorneys at Jiang Chyun Intellectual Property Office
Frequently asked
Frequently asked about Chien-hung Yu
Is Chien-hung Yu a registered patent attorney?
Chien-hung Yu is a registered patent agent (USPTO Registration Number 74923). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
What firm does Chien-hung Yu work at?
Chien-hung Yu is listed as affiliated with Jiang Chyun Intellectual Property Office on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Chien-hung Yu?
Chien-hung Yu's office phone (per the USPTO public roster) is 886-223-69-2800. 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.