Patent Attorney
John L Welch
Reg. No. 28129
Active
Not accepting new clients
Firm
Wolf Greenfield & Sacks, P.C.
Wolf Greenfield & Sacks, P.C.
Location
Boston, MA 02210
Boston, MA 02210
Phone
617-646-8000
617-646-8000
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.