Registered patent attorney
Darby J. Chan
Firm
Foley & Lardner LLP
Address
One Market Plaza
55 Spear Street Tower, Suite 1900
San Francisco, CA, 94105
US
Phone
Registered as
Registered patent attorney
Other attorneys at Foley & Lardner LLP
- Pavan K AgarwalUSPTO Reg. 40888 · Washington, DC
- Abdullah R. AkhtarUSPTO Reg. 80593 · Boston, MA
- Elliot D. AmbortUSPTO Reg. 82768 · Madison, WI
- Scott D AndersonUSPTO Reg. 46521 · Milwaukee, WI
- Julia R. BaehlUSPTO Reg. 84638 · Milwaukee, WI
- Vandana BansalUSPTO Reg. 54979 · Palo Alto, CA
- George C BeckUSPTO Reg. 38072 · Washington, DC
- Brett P BeldenUSPTO Reg. 57705 · Milwaukee, WI
Other patent attorneys in San Francisco, California
- Evan K AbbaszadehUSPTO Reg. 77455
- Tom AbelesEvolve Discovery
- Michael J AdamsSquire Patton Boggs
- Bonnie M AdellZendesk, Inc.
- Michael T AdelsheimTucker Ellis, LLP
- Matthew Allan AdrianowyczWilson Sonsini Goodrich & Rosati
- Anchal AgarwalAlston & Bird LLP
- Juwon AhnCovington & Burling LLP
Frequently asked
Frequently asked about Darby J. Chan
Is Darby J. Chan a registered patent attorney?
Yes. Darby J. Chan is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 62407). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Darby J. Chan located?
Darby J. Chan's office is in San Francisco, California (94105). Affiliated with Foley & Lardner LLP.
What firm does Darby J. Chan work at?
Darby J. Chan is listed as affiliated with Foley & Lardner LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Darby J. Chan?
Darby J. Chan's office phone (per the USPTO public roster) is 415-434-4484. 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.