High Frequency Trading Systems LLC (HFTS) has filed four new cases in the campaign it began in late 2015, asserting a single patent (7,231,363) generally related to electronically managing the exchange of financial instruments. Knight Capital (KCG BondPoint) (2:16-cv-13082), Liquidnet (2:16-cv-13077), MarketAxess Holdings (2:16-cv-13052), and MTS Markets (2:16-cv-13084) are accused of infringement through provision of online trading platforms. HFTS’s new filings provide just one example of the recent activities of its manager, Erik Stamell.
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