Recently I saw that EA Games has game in App Store called Tetris. In the seller description it says the following:

Seller: Electronic Arts Inc. Tetris ® and © 1985~2011 Tetris Holding. Tetris logos, Tetris theme song and Tetriminos are trademarks of Tetris Holding. The Tetris trade dress is owned by Tetris Holding. Licensed to The Tetris Company. Game Design by Alexey Pajitnov. Original Logo Design by Roger Dean. All Rights Reserved. Tetris Game Code © 2011 Electronic Arts Inc. EA and the EA logo are trademarks of Electronic Arts Inc.