The mobile computing patent war appears to be playing a role in US patent grants in 2012: IBM #1, Samsung #2, Microsoft #6, Google #21, and Apple #22.
See IFI CLAIMS® Service reports: 2012 Top 50 US Patent Assignees
See New York Times: The 2012 Patent Rankings: IBM on Top (Again), Google and Apple Surging
Also see The Boston Consulting Group: The Most Innovative Companies 2012
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