Patent Attorney
Zach Z. Zhao
Reg. No. 80405
Active
Not accepting new clients
Firm
Shumaker & Sieffert, P.A.
Shumaker & Sieffert, P.A.
Location
Woodbury, MN 55125
Woodbury, MN 55125
Phone
651-286-8394
651-286-8394
Registration Type
ATTORNEY
ATTORNEY
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.