Patent Agent
Joel T Stoffregen
Reg. No. 65826
Active
Not accepting new clients
Firm
DLA Piper LLP (US)
DLA Piper LLP (US)
Location
San Francisco, CA 94105
San Francisco, CA 94105
Phone
720-695-3080
720-695-3080
Registration Type
AGENT
AGENT
Roster
USPTO OED FY25
USPTO OED FY25
Firm and contact info reflects the FY25 roster (last updated September 25).
Attorneys may have changed firms since then — patent filings show their current firm of record.