Is the Tetris Game Idea Patented?
Yes, the original Tetris game mechanics were patented by Alexey Pajitnov and Elorg in the late 80s. The patent has since expired, making the core mechanics public domain.
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The patent for Tetris has expired, but many modern Tetris games are still protected by various types of intellectual property, including trademarks and copyrights.
Not anymore. The Tetris patent expired, so the basic game idea is now public domain.
It was patented, but expired now, so while the name Tetris is protected, the gameplay mechanics are fair game for new developers.
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