The Marlin interoperable DRM has been in almost perpetual limbo since its foundation in 2005, but has just refused to die and now there are signs that it may even come back to life in the era of OTT, hybrid services and UHD. At around the same time Coral emerged as an alternative approach facilitating interoperability between existing DRMs rather than proposing a new universal one, but that did die in December 2012 when the umbrella consortium was finally dissolved. That never gained much traction at all despite sharing many of the same backers, including Intertrust itself. Given that Marlin, the organization, was founded by Intertrust, its two owners, Philips and Sony, as well as Panasonic and Samsung, it was…