Nintendo's lawsuit against Tropic Haze (the creators of Yuzu) did not argue that emulation itself is illegal. Emulation has been legally protected in the US since the landmark Sony Computer Entertainment v. Connectix Corporation (2000) case, which ruled that reverse engineering for compatibility is fair use.
The Role of in Nintendo Switch Emulation In the world of Nintendo Switch emulation, yuzu prod keys
: To stay within legal boundaries, the Yuzu team maintained that users should "dump" these keys from their own legally purchased Switch consoles. Using keys downloaded from the internet is generally considered a form of digital piracy. The Great Nintendo Takedown Nintendo's lawsuit against Tropic Haze (the creators of