Patent Attorney
David H. Madden
Reg. No. 67100
Active
Not accepting new clients
Firm
Mersenne Law LLP
Mersenne Law LLP
Location
Tigard, OR 97223
Tigard, OR 97223
Phone
503-679-1671
503-679-1671
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.