Unverified50% confidenceFactExact time
The Tetris Company prevailed in the 2012 case Tetris Holding v. Xio Interactive, in which the court ruled that the specific visual expression of the concept of falling blocks and clearing lines in Tetris constitutes protectable expression.
1
Sources
50%
Confidence
Long-term
Relevance
9/6/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe 1994 case Tetris Holding v. Xio Interactive ruled that the specific visual presentation of Tetris is protected by copyright, but the core gameplay concept of falling blocks and line clearing is not72% similarUnverifiedThe Tetris Company has historically filed lawsuits on multiple occasions against unauthorized clone games and adaptations.61% similar
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