Registered patent attorney
Ya-Chiao Chang
Firm
Winston & Strawn LLP
c/o Yuanda China Law Offices
Address
2801 No. 88 Century Avenue
Shanghai, 200121
CN
Phone
Registered as
Registered patent attorney
Other attorneys at Winston & Strawn LLP
- Rudeina Amine BaasiriUSPTO Reg. 47398 · Houston, TX
- Scott M BorderUSPTO Reg. 77744 · Washington, DC
- David P DalkeUSPTO Reg. 40980 · Los Angeles, CA
- Dustin J. EdwardsUSPTO Reg. 57649 · Houston, TX
- Tathagata D GoswamiUSPTO Reg. 78054 · Washington, DC
- Christopher Thomas GresalfiUSPTO Reg. 78949 · New York, NY
- Jonathan Y HungUSPTO Reg. 81558 · Dallas, TX, TX
- Robert N KangUSPTO Reg. 59609 · San Francisco, CA
Frequently asked
Frequently asked about Ya-Chiao Chang
Is Ya-Chiao Chang a registered patent attorney?
Yes. Ya-Chiao Chang is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 43407). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
What firm does Ya-Chiao Chang work at?
Ya-Chiao Chang is listed as affiliated with Winston & Strawn LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Ya-Chiao Chang?
Ya-Chiao Chang's office phone (per the USPTO public roster) is 862-161-050500. 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.