There's Microsoft v Motorola - and the rest of the explosion in a spear factor that is our handy cut-out-and-add-more-squiggles guide to who's suing who over mobile patents. Microsoft is launching legal action against Motorola over its line of Android-based smartphones, claiming the manufacturer infringes a number of its patents. The lawsuit is the latest in a series of patent infringement cases being fought in the increasingly-competitive mobile market.





