It’s still somewhat protected in the US. The big one in table top gaming was tap mechanics from Magic. That expired in 2014 though. In video games the Nemesis system from Shadow of Mordor/war is also patented.
Loading screen mini games are also patented. That’s why loading screens never have mini games. Less of an issue now that game devs have begun avoiding loading screens, but they were extremely common in older generations and they never had mini games to pass the time.
It isn’t in the US but is in Japan where the companies are based.
It’s still somewhat protected in the US. The big one in table top gaming was tap mechanics from Magic. That expired in 2014 though. In video games the Nemesis system from Shadow of Mordor/war is also patented.
Loading screen mini games are also patented. That’s why loading screens never have mini games. Less of an issue now that game devs have begun avoiding loading screens, but they were extremely common in older generations and they never had mini games to pass the time.
That patent exired almost a decade ago: https://www.eff.org/deeplinks/2015/12/loading-screen-game-patent-finally-expires