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A sign is pictured outside Nortel's Carling Campus in Ottawa August 10, 2009.

Nortel Patent Sale: What it means to RIM?

A consortium consisting of Apple Inc. (AAPL), EMC Corp. (EMC), Ericsson, Microsoft Corp. (MSFT), Research In Motion (RIM) and Sony Corp. (SNE) paid $4.5 billion for the patent portfolio of Bankrupt Canadian telecom group Nortel Networks Corp.