Still, the court ordered frogwares to give the binaries to Nacon. They didn't give permission to Nacon to download and patch a binary, from another distributor, which is probably provided under a EULA that forbids what they did.
And according to this post, they didn't even get the right binarys. They got one for a deluxe version of the game that was never contracted to them to begin with.
IANAL and I'm certainly not intimately familiar with French law. However, I think since they're saying Frogwares is in breach and has been ordered by the court to continue the contract that Nacon's course of action here should be to tell the court Frogwares isn't fulfilling the terms of the contract. I don't believe anywhere in the economically developed countries of the world is it okay to decide on your own vigilante solution and pursue it in violation of other laws.
https://corporate.nacongaming.com/en/press/the-sinking-city-...
I'm not sure if the court decision gives them the right to do what they did (talking about Nacon).