Registered patent agent
Chang Hsing Liang
Firm
Wilson Sonsini Goodrich and Rosati PC
Address
12235 El Camino Real, Suite 200
San Diego, CA, 92130
US
Phone
Registered as
Registered patent agent
Other attorneys at Wilson Sonsini Goodrich and Rosati PC
Other patent attorneys in San Diego, California
- Anders T AannestadMorrison & Foerster LLP
- Rita A AbbatiUSPTO Reg. 50715
- James J AburtoUSPTO Reg. 58119
- Nathan C. AckermannUSPTO Reg. 84527
- Brian S AdamsQUALCOMM Incorporated
- Raj J AdvaniWilson, Sonsini, Goodrich, and Rosati
- Prem AdvaniUSPTO Reg. 52542
- Sejin Q AhnNeurocrine Biosciences, Inc.
Frequently asked
Frequently asked about Chang Hsing Liang
Is Chang Hsing Liang a registered patent attorney?
Chang Hsing Liang is a registered patent agent (USPTO Registration Number 59831). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Chang Hsing Liang located?
Chang Hsing Liang's office is in San Diego, California (92130). Affiliated with Wilson Sonsini Goodrich and Rosati PC.
What firm does Chang Hsing Liang work at?
Chang Hsing Liang is listed as affiliated with Wilson Sonsini Goodrich and Rosati PC on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Chang Hsing Liang?
Chang Hsing Liang's office phone (per the USPTO public roster) is 858-350-2335. 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.