Certain patents held by BlackBerry were revoked as a result of Google's lawsuit.
Three patents were filed against Google regarding the user interface that BlackBerry had.
In the user interface that BlackBerry possesses, patents related to the notification bar and navigation keys are not 'well-publicized' according to Google's assertion.
The BlackBerry, which failed to adequately distinguish itself from the technology that was previously tested,
First Look at BlackBerry KEY2's Little Brother KEY2 LE
The patent case between BlackBerry and Google brought to mind the company's previous patent cases. It seems that things are not going well on BlackBerry, which has patent cases with Snapchat and Facebook.