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Sowinski v. Cal. Air Res. Bd.

The Federal Circuit held that the state of California did not infringe on an emissions trading-related patent, allowing the state's greenhouse gas emissions cap-and-trade program to continue. The plaintiff owns a U.S. patent that covers a method and apparatus for using electronic systems to claim an...

MRP Props., LLC v. United States

A district court held that the federal government must answer claims that it is liable for the cleanup of World War II-era hazardous waste from 12 oil refineries in seven states. Property owners brought a contribution claim against the U.S. government under CERCLA, claiming that the government exerc...

Pieper v. United States

The Fourth Circuit held that a proposed class of residents alleging that improper chemical disposal at a Frederick, Maryland, Army base contaminated their groundwater can't sue the government. The residents brought a claim under the Federal Torts Claim Act alleging that the Army negligently disposed...

Strategic Envtl. Partners, LLC v. N.J. Dep't of Envtl. Protection

A district court held that a solar energy company that entered into an agreement to close a landfill and turn it into a solar farm cannot recover closure costs under CERCLA. The solar company bought the property and entered into an agreement with the New Jersey Department of Environmental Protection...

Sweet Lake Land & Oil Co. v. Oleum Operating Co.

A Louisiana appeals court held that an oil company's oilfield cleanup plan was properly rejected by a trial court. An oil company sued a larger oil company alleging environmental damage to its property caused by decades of oil and gas exploration activities. The larger company was found 100% liable ...