Länk - Företag stämmer Microsoft, Apple, Adobe & Real Networks för att de *inte* använder deras programvara (Tema: DMCA)

MRT and Bluebeat said the failure to use an available copyright protection solution contravenes the Digital Millennium Copyright Act, which prohibits the manufacture of any product or technology designed to circumvent a technological measure that effectively controls access to a copyrighted work or protects the rights of copyright owners

Macrovision once did the opposite

(Score:4, Interesting)

by Anonymous Coward on Friday May 11, @16:38 (#19082803)

Macrovision once threatened to sue our company if we wouldn't
license their DRM - because their DRM doesn't work.

The codecs we licensed for our products unintentionally ignored
the Macrovision DRM. It was simply caught by the error correction.
Macrovision threatened to sue the company I work at for violating
the DMCA. This could only be avoided if we explicitly checked their
DRM so we wouldn't ignore it accidentally. To check for their DRM,
we would need to license their system.