Z:gnu-www-ja-software-patents--f3c8de-IBM can do it because with the/en

IBM can do it because with these 9000 patents, they are pointing everywhere, no matter where you are, there is probably an IBM patent pointing at you. So IBM can almost always make you cross license. Small companies can only occasionally make someone cross-license. They will say they want patents for defensive purposes but they won't get enough to be able to defend themselves.