Patent Attorney
Derek N. Johnson
Reg. No. 58901
Active
Not accepting new clients
Firm
BlackBerry Ltd
BlackBerry Ltd
Location
Plano, TX 75024
Plano, TX 75024
Phone
972-556-3513
972-556-3513
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.