Huawei has filed a lawsuit against the United States government over a provision (Section 889) to the 2019 National Defense Authorization Act (NDAA) that effectively bans all US government agencies from using products manufactured by the company (as well as ZTE), over spying concerns.
patent trademark
Back in March 2018, BlackBerry sued Facebook, Instagram and WhatsApp over messaging patents. Within months, Facebook counter-sued BlackBerry for similar reasons. Both cases are still in litigation, but BlackBerry has now filed a patent infringement lawsuit against Twitter.
Facebook
Facebook is a “digital gangster” that violated its users’ privacy for profit, exploited its market power to kill or prefer businesses and has resisted scrutiny by governments around the world, a British parliamentary committee has found. UK MPs stated that Facebook needs far stricter regulation, with tough and urgent action necessary to end the spread of disinformation on its platform.
The US justice department has filed charges against Chinese company Huawei.  A 13-count indictment was unsealed in New York charging Huawei, two of its affiliates and a senior executive at the company. The charges include bank fraud, conspiracy to commit wire fraud, and violating the International Emergency Economic Powers Act.
France's National Commission for Information Technology and Civil Liberties (CNIL) has fined Google €50 million for a breach of GDPR. The CNIL’s restricted committee imposed the penalty for "lack of transparency, inadequate information and lack of valid consent regarding the ads personalisation.”.
Qualcomm
A German court has ruled that Apple didn't infringe on a Qualcomm hardware patent, declaring that the iPhone isn't violating any of Qualcomm's power management patents. The judge ruled the suit in question groundless, declaring that Apple's iPhone wasn't standing in violation in an initial verbal ruling. A full filing with rationale is expected in the future.