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The step marks another escalation of the sprawling legal battle between the world’s top two sellers of smartphones, with Apple re-drawing its arguments to account for Samsung’s rising position in the business.

Apple argues the new Samsung phone – which uses a new version of Google’s Android operating software dubbed Ice Cream Sandwich – is the most credible competitor yet to its iPhone and poses a potent threat to Apple’s market share.

Apple’s suit, filed on Wednesday in US District Court in San Jose, California, accuses Samsung of violating patents that are distinguishing features of the iPhone. The suit contrasts with Apple’s original case against Samsung, filed in the same court last April and expected to go to trial this summer, by concentrating on technical patents rather than design-oriented ones.

One patent, for example, covers a function known as slide-to-unlock, in which customers gain access to their phones by sliding an image of a button across the screen.

Another patent covers technology for searching multiple sources of information at once, an element of a voice-search technology called Siri introduce…………… continues on Herald Sun

By Daniel Eran Dilger

Published: 02:57 PM EST (11:57 AM PST)
Apple has filed a new “antisuit lawsuit” aimed at unraveling Motorola’s litigation efforts and attempts to block iPhone 4S using standards essential patents. Apple is also asking for damages that could reach multibillion dollar figures.

In its patent battles with Apple, Motorola chose to rely upon its standards essential patents that are required to build GSM/GPRS/UMTS compatible devices, and committed to FRAND licensing because of that fact. Rather than negotiating the “fair, reasonable and nondiscriminatory” royalty rates the company has committed to as a member of the 3GPP standards body, Motorola has invented a new legal strategy.

Motorola first canceled elements of its patent license with baseband chipmaker Qualcomm, then insisted Apple had to license the technology supplied by Qualcomm’s chips on its own, under terms intended to extract more than a billion dollars per year, perpetually, just for using chips that were already properly licensed to be used for that purpose.

Because Apple won’t agree to give Motorola billions of dollars based on a percentage of the…………… continues on Apple Insider