The lawsuit has its roots in April 2011, when FujiFilm says it first notified Motorola that it believed the cellphone maker was infringing on the four patents. The companies held a number of face-to-face meetings, according to FujiFilm. The matter was apparently not resolved to FujiFilm's liking and that led to this week's lawsuit.

The patents in question include:

, which covers the capturing of color pictures by a cellphone and their conversion to monochrome images;

, which addresses a "telephone and data transmitting method." FujiFilm alleges a number of Motorola devices infringe on this patent through their use of Bluetooth or Wi-Fi as a means to communicate with a computer or other device;

, covering the facial detection system included in some Motorola cellphones; and