https://www.reuters.com/article/us-intel-softbank-group/apple-intel-file-antitrust-case-vs-softbank-owned-firm-over-patent-practices-idUSKBN1XV09H >Apple Inc and Intel Corp on Wednesday filed an antitrust lawsuit against Fortress Investment Group, alleging the SoftBank Group Corp unit stockpiled patents to hold up tech firms with lawsuits demanding as much as $5.1 billion.