Patent Attorney
Katrina A Witschen
Reg. No. 59862
Active
Not accepting new clients
Firm
Dicke, Billig & Czaja. PLLC
Dicke, Billig & Czaja. PLLC
Location
Minneapolis, MN 55402
Minneapolis, MN 55402
Phone
612-573-2000
612-573-2000
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.