Yes, the judge ruled in favor of the Tetris company, but not because the clone has similar game play mechanics. I don't know if you even read the article (why did you post it if you didn't read it?) or did any research, but if you have you should have noticed it was the way in which Mino expressed itself that infringed on Tetris (and the fact that the creator openly admitted he was trying to create a clone of Tetris---even the graphical representation of it).But the judge ruled in favour of Tetris company, atleast judging by the title of the article.
No it wasn't. Read the judge's comments:
On the other hand clones of Tetris are being shut down because they use the same mechanics in their games.
Game mechanics and rules cannot be copyrighted. But expressions can be (like art and music). How you express your game is copyrighted, and that is what Mino was infringing on.
I suggest you read this article on the matter, as they have a lawyer explain a few things. Think of it like this: You hear a song on the radio. You like the song and want to sell it to other people so you can make money (but promise you'll give a little royalty to the creator). Not surprisingly, the owner says no to letting you do that (it's their song, they get to sell it and make money). So you buy the song, listen to it repeatedly, and compose a near exact duplicate of it with your synth keyboard, and then start selling this song to people. You even told people you were trying to make a copy of this song. Obviously you're infringing on the original song's copyright.
You can be inspired by the original song and make your own, but you can't just straight up copy it. At least try to change it a little so people think it's not a straight duplicate.
Also, for what it's worth, Mino (the word) when referred to a falling tetronimo game originated from Tetris: link.
If you make a clone, don't make a straight up clone. Make a variant. Change it up a bit. It's safer. You can't just clone something and expect it to be safe. You can make a game based off Tetris with the same mechanics and rules, but for the love don't actually make Tetris.