[speps]

Where I used to work they patented the way the servers are kept busy so careful on what you end up implementing for that...

https://patents.google.com/patent/EP3563559B1/en

[BartjeD]

Any fool can register a patent though...

It's only during the actual enforcement of a patent that it's validity can be called into question. It isn't so unusual for a patent to be struck down in court. Patent offices have tendency to hand them out 'easily'.

[throwaway11460]

Freely available Minecraft server plugins were doing this in 2015.

[nc0]

This should be illegal, it's just moving data...