As an added kicker, PDLI has filed a $ 1.9 billion lawsuit against Genentech (Roche) based on a letter received from them last August questioning the validity of the «Queen» patentsin Europe.
Some time ago, a colleague posed an interesting question to me in hopes that Lex Machina's data might be able to shed some light: Have the kind or size of firms handling patent cases changed much over the last few years?