Everyone’s favorite investor provocateur Elliot Management has taken an unlikely interest in a bitter patent war between short-form streaming service Quibi and interactive video developer Eko. Elliot’s involvement changes the stakes dramatically and the outcome will influence the US OTT video landscape for years to come. Elliot Management has injected a “substantial” sum into Eko’s case against Quibi, which alleges that Quibi’s Turnstyle feature is a near-identical copy of its own patented technology. Our take on the case when it first emerged in March was that Quibi founder Jeffrey Katzenberg had quite plainly pinched the idea from Eko, following a meeting with Eko CEO Yoni Bloch in March 2017. Yet we had our reservations that Eko had the clout to…