Blackberry sues Twitter over patent infringement, accuses communication platform of illegally using its mobile messaging technology

BlackBerry has alleged Twitter infringed on six of its patents, like push notifications, silencing notifications for a message thread and mobile advertising techniques.

Blackberry sues Twitter over patent infringement, accuses communication
Software major BlackBerry in 2018 sued Facebook and its subsidiaries -- photo sharing app Instagram and messaging service WhatsApp. Reuters

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