Chevron and the Republic of Ecuador have beaten and bloodied each other for two decades now in what seems like just about every U.S. and Ecuadoran court that exists. The fight relates to claims in arbitration that Chevron predecessor Texaco polluted oil fields in Ecuador. Background here. And it has so far resulted in

Last September, a panel of the Second Circuit tossed a preliminary injunction that barred any action, anywhere, to collect on an Ecuardoran court's $17.2 billion judgment against Chevron for polluting part of the Amazon. Last week, the court got around to saying why.

[Blawgletter describes some of the dispute's facts, claims, and decades-long history here.]