That won't work. Already today many companies don't even patent stuff anymore, but claim their technologies to be trade secrets, and still manage to prosecute

That won't work. Already today many companies don't even patent stuff anymore, but claim their technologies to be trade secrets, and still manage to prosecute anyone trying to share them. From Waymks Lidar to SpaceX tech to Google's TPUs, both is even patented anymore, it's not even published in any way.