BlackBerry accuses Twitter of illegally using patented tech
28-02-2019
Facebook continues patent war with BlackBerry
05-09-2018
Fed Circuit upholds Facebook appeal against PTAB rejection
15-08-2018
Snap Inc and Facebook move to dismiss Blackberry patent claims
12-06-2018
Blackberry goes to war with Snap over messaging patents
05-04-2018
Federal Circuit affirms tossed patent suits against HTC and BlackBerry
12-01-2018
Facebook removed nearly 3 million infringing posts in first half of 2017
19-12-2017