Registered patent attorney
Clifford S. Chang
Address
41385 Danzon Court
Fremont, CA, 94539
US
Phone
Registered as
Registered patent attorney
Other patent attorneys in Fremont, California
- David J AstonUSPTO Reg. 28051
- Patrick T . BeverBever, Hoffman & Harms, LLP
- Felissa Hirsch CaganJohnson and Johnson
- Ross M CarothersSpineView, Inc.
- Yuan ChaoUSPTO Reg. 32118
- Si ChenLam Research Corporation
- Shengfeng ChenIntellectual Valley Law, P.C.
- Y Ping ChowSiPix Imaging, Inc.
Frequently asked
Frequently asked about Clifford S. Chang
Is Clifford S. Chang a registered patent attorney?
Yes. Clifford S. Chang is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 69492). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Clifford S. Chang located?
Clifford S. Chang's office is in Fremont, California (94539).
How do I contact Clifford S. Chang?
Clifford S. Chang's office phone (per the USPTO public roster) is 510-299-7025. 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.