Apple fires patent suits back at Motorola

Gadget king, Apple, having been on the receiving end of a patent infringement lawsuit filed by rival Motorola, has fired back a couple of patents suits of its own in the direction of Motorola Inc. and Motorola Mobility Inc.

The suits filed in the Wisconsin Western District Court cover six patents all related to multi-touch interfaces.

Apple reckons a range of Motorola's phones infringe ideas that Apple has bits of paper that prove it had those ideas first.

Motorola phones named in the lawsuit are the Droid, Droid 2, Droid X, Cliq, Cliq XT, BackFlip, Devour A555, Devour i1 and Charm 1.

The US patents namned in the suit are No. 7,812,828, "Elipse fitting for multi-touch surfaces"; No. 7,663,607, "Multipoint touchscreen"; No. 5,379,430, "Object-oriented system locator system"; No. 7,479,949 - "Touch screen device, method, and graphical user interface for determining commands by applying heuristics"; No. 6,493,002 - "Method and apparatus for displaying and accessing control and status information in a computer system" and No. 5,838,315, "Support for custom user-interaction elements in a graphical, event-driven computer system".