Registered patent attorney
Ko-Fang Chang
Firm
Weaver Austin Villeneuve & Sampson LLP
Address
1111 Broadway Suite 2300
Oakland, CA, 94607
US
Phone
Registered as
Registered patent attorney
Other attorneys at Weaver Austin Villeneuve & Sampson LLP
- Denise S BerginUSPTO Reg. 50581 · Oakland, CA
- Jonathan K. ChouUSPTO Reg. 70427 · Oakland, CA
- Stephen J. CottonUSPTO Reg. 69494 · Oakland, CA
- Michael L DayUSPTO Reg. 55101 · Oakland, CA
- Kevin M DonnellyUSPTO Reg. 61643 · Oakland, CA
- Anna L GavrilovaUSPTO Reg. 58181 · Oakland, CA
- Michael T HoUSPTO Reg. 59305 · Oakland, CA
- Tia S. LeeUSPTO Reg. 83376 · Oakland, CA
Other patent attorneys in Oakland, California
- Elliot B AronsonUSPTO Reg. 29279
- James E AustinWeaver Austin Villeneuve & Sampson LLP
- Donald L BeesonBeeson Skinner Beverly, LLP
- Marc D BetterUSPTO Reg. 43499
- Brian BeverlyBeeson Skinner Beverly, LLP
- Archana B BhutaClorox
- Martin L BormoliniUSPTO Reg. 74142
- Adam A BoskovicUSPTO Reg. 56659
Frequently asked
Frequently asked about Ko-Fang Chang
Is Ko-Fang Chang a registered patent attorney?
Yes. Ko-Fang Chang is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 50829). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Ko-Fang Chang located?
Ko-Fang Chang's office is in Oakland, California (94607). Affiliated with Weaver Austin Villeneuve & Sampson LLP.
What firm does Ko-Fang Chang work at?
Ko-Fang Chang is listed as affiliated with Weaver Austin Villeneuve & Sampson LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Ko-Fang Chang?
Ko-Fang Chang's office phone (per the USPTO public roster) is 510-663-1100. 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.