Registered patent attorney
Yi Zhang
Firm
Chang & Hale LLP
Address
4199 Campus Dr., Ste. 550
Irvine, CA, 92612
US
Phone
Registered as
Registered patent attorney
Other attorneys at Chang & Hale LLP
Other patent attorneys in Irvine, California
- Eric L. AbadaKnobbe, Martens, Olson & Bear, LLP
- Lannah S. AbasiK&L Gates LLP
- Tina Marie AbernethyLaw Office of Tina M. Abernethy
- Saul AchermanJafari Law Group, Inc.
- Jessica L AchtsamKnobbe Martens Olson & Bear LLP
- William O. AdamsKnobbe, Martens, Olson & Bear LLP
- Micha AdlerProcopio, Cory, Hargreaves & Savitch
- Erik M. AhroonAcacia Research Group LLC
Frequently asked
Frequently asked about Yi Zhang
Is Yi Zhang a registered patent attorney?
Yes. Yi Zhang is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 74150). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Yi Zhang located?
Yi Zhang's office is in Irvine, California (92612). Affiliated with Chang & Hale LLP.
What firm does Yi Zhang work at?
Yi Zhang is listed as affiliated with Chang & Hale LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Yi Zhang?
Yi Zhang's office phone (per the USPTO public roster) is 949-336-1454. 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.