Research in Motion (RIM) appeared to have one less lawsuit in motion today after the English High Court effectively chucked out a patent infringement action brought against the Blackberry maker by Luxembourg-based intellectual property holding company InPro.

The move comes a week after Germany's Federal Patent Court declared the patent claims behind InPro's allegations of misuse to be invalid. InPro registered European Patent EP 0892947B1 in both Germany and the UK, and in 2003 filed lawsuits against RIM in both countries.

Like its German counterpart, the English High Court's Chancery Division, which presides over patent cases, ruled that all patent claims in InPro's UK patent - designated under European Patent EP 0892947B1 - are invalid.

InPro may yet appeal against the ruling, in the UK as well as in Germany. ®

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