...[Law] firm Patton Boggs…agreed to pay $15 million to settle…claims by Chevron over the firm’s efforts to collect a $9.5 billion pollution award issued by an Ecuador court…American plaintiffs lawyer Steven Donziger won an $18 billion judgment against Chevron in Ecuador…on behalf of indigenous Amazon tribes…Chevron sued Donziger in…New York, alleging that the Ecuador award was tainted by bribery and fraud…Patton Boggs had…[worked] with Donziger to collect the judgment against Chevron…Patton Boggs [said it]…“regrets its involvement” in the lawsuit…It also signed over to Chevron its 5% interest in the judgment…agreed to end its representation of plaintiffs in the Ecuador case and hand over documents relating to efforts to enforce the judgment…Chevron…said: “We are pleased that Patton Boggs is ending its association with the fraudulent and extortionate Ecuador litigation scheme…”…