Registered patent attorney
Mei Tsang
Firm
Umberg Zipser LLP
Address
1920 Main Street
Suite 750
Irvine, CA, 92614
US
Phone
Registered as
Registered patent attorney
Other attorneys at Umberg Zipser 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 Mei Tsang
Is Mei Tsang a registered patent attorney?
Yes. Mei Tsang is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 56122). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Mei Tsang located?
Mei Tsang's office is in Irvine, California (92614). Affiliated with Umberg Zipser LLP.
What firm does Mei Tsang work at?
Mei Tsang is listed as affiliated with Umberg Zipser LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Mei Tsang?
Mei Tsang's office phone (per the USPTO public roster) is 949-679-0052. 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.