IP Library
Patent Attorney

Derek N. Johnson

Reg. No. 58901
Active
Not accepting new clients
Firm
BlackBerry Ltd
Location
Plano, TX 75024
Phone
972-556-3513
Registration Type
ATTORNEY
Roster
USPTO OED FY25
Search their patent cases → All cases at BlackBerry Ltd
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.