Just last week, on Tuesday, February 26th, 2024, news broke out about the Yuzu emulator team being sued by none other than Nintendo themselves, with Nintendo claiming that the emulator apparently allowed users to play certain games early (due to street dates being broken) and also allowing...
I wouldn’t call it a clear violation of 17 U.S.C. 1201, but it was a plausible one. I do agree that they would have been blasted for legal fees trying to figure that part out, however.
Nintendo had a leg to stand on, but it was highly dependent on whether the judge would find an emulator’s primary purpose to be DRM prevention. A good judge that does research into the subject likely wouldn’t find it to be the case, since the primary purpose is emulation and decrypting game titles is only a small part of that. Ending up with a luddite or corporate shill judge is always a huge risk, though.
Japanese IP law IIRC, not american.
They sued under the DMCA, though?