Tetris and Intellectual Property Rights: Trademark

This article is Part III of a series that elucidates the issues surrounding iPhone Tetromino games, Intellectual Property Law, and the Tetris Company.  The series begins with a reproduction of the Tetris Company’s Cease and Desist Letters. Next, it defines and explains patent, trademark and copyright law. Finally, it concludes with a re-examination of the [...]

The Tetris Company and the iPhone

This article is Part I of a series that elucidates the issues surrounding iPhone Tetromino games, Intellectual Property Law, and the Tetris Company.  The series begins with a reproduction of the Tetris Company’s Cease and Desist Letters. Next, it defines and explains patent, trademark and copyright law. Finally, it concludes with a re-examination of Tetris [...]

Tetris and Intellectual Property Rights: Patent

This article is Part II of a series that elucidates the issues surrounding iPhone Tetromino games, Intellectual Property Law, and the Tetris Company.  The series begins with a reproduction of the Tetris Company’s Cease and Desist Letters. Next, it defines and explains patent, trademark and copyright law. Finally, it concludes with a re-examination of the [...]

Lets Get This Straight: Tetromino and Tetris

Tetromino
A Tetromino is a geometric figure composed of four, square sub-units that are connected orthogonally. There are five unique configurations of tetrominoes referred to as the L/J, S/Z, I, O, and T pieces because they resemble these characters of the Roman alphabet.
You might be familiar with the term Domino, a geometric figure comprised of two [...]

Tetris and Intellectual Property Rights: Copyright

This article is Part IV of a series that elucidates the issues surrounding iPhone Tetromino games, Intellectual Property Law, and the Tetris Company.  The series begins with a reproduction of the Tetris Company’s Cease and Desist Letters. Next, it defines and explains patent, trademark and copyright law. Finally, it concludes with a re-examination of the [...]