Earlier quoted context omitted.
Was it plan B? Major purchases like this don't usually happen quickly. The Nortel and Novell stuff all went down in the last six months, and neither (separately or together) would have cost Google enough to make them back off an in-progress attempt to buy Motorola. This could have been part of a Google patent blitz from the start.
When you show up willing to pay a 63% premium, it doesn't take six months.
Notably, MMI peaked at $36.34 in January. I could see MMI's board thinking it was worth close to $40, given the crappy/insane state of the market.