Data trumps stories
See http://www.groklaw.net/staticpages/index.php?page=OracleGoogle for all the real gen.
The copyright claims are getting weaker as people dig up more statements from Sun that used to be on Sun's java site (which Oracle has difficulties recovering for the court case). But Orlikowski is right to point out that Google engineers and lawyers should have paid more attention to what licence conditions Sun set rather than relying on statements from Sun executives who are no longer there.
If enough patents claims are found invalid in the re-examinations (see tables), then the Motorola patents could be enough to trade for the remaining valid claims. As for the Nortel ones, Google gave up bidding when it found itself up against a consortium of everyone else, trying to establish an oligopoly. US and EU regulators are looking at the competition effects of the purchase of Novell patents. They might do the same for the Nortel ones.
All this goes to show that the effective purpose of patents in fast-moving industries is not to support innovation, but to help large companies keep out new entrants.