Exxon Valdez oil spill Exxon should have told the jury at the start that an agreement had already been made, so the jury would know exactly how much Exxon would have to pay. As of December 15, 2009, Exxon had paid the entire $507.5 million in punitive damages, including lawsuit costs, plus interest, which were further distributed to thousands of plaintiffs. In October 1989, Exxon filed suit against the State of Alaska, charging that the state had interfered with Exxon's attempts to clean up the spill by refusing to approve the use of dispersant chemicals until the night of the 26th. The state disputed
Exxon Valdez oil spill effectively a bill of attainder, a regulation that was unfairly directed at Exxon alone. In 2002, the 9th Circuit Court of Appeals ruled against Exxon. As of 2002, OPA had prevented 18 ships from entering Prince William Sound. OPA also set a schedule for the gradual phase in of a double hull design, providing an additional layer between the oil tanks and the ocean. While a double hull would likely not have prevented the "Valdez" disaster, a Coast Guard study estimated that it would have cut the amount of oil spilled by 60 percent. The "Exxon Valdez" supertanker was towed