The Court of Federal Claims held that residents and businesses in New Orleans' Ninth Ward and the neighboring St. Bernard Parish may file class-action lawsuits against the government for…

A district court held it lacks subject matter jurisdiction over a class action lawsuit that stems from the water contamination crisis in Flint, Michigan. The plaintiffs alleged that the city…

The Fifth Circuit held that a mass action lawsuit in Louisiana concerning personal injury and property damages due to alleged contamination exposure may not be removed to federal court under the…

The Eighth Circuit reversed a lower court decision certifying as a class a group of homeowners alleging nuisance claims against an oil company that owns a nearby contaminated site. A pipeline leak…

The Fifth Circuit affirmed a lower court decision that investors who bought BP stock soon after the 2010 Deepwater Horizon oil spill may file a class action against the oil company for alleged…

A district court decertified a class of Kentucky residents who filed nuisance claims against a neighboring hog farm. The court previously determined that commonality existed because the residents…

The Third Circuit affirmed a lower court decision refusing to certify residents' class action for medical monitoring and property damage in a suit against chemical companies for allegedly…

A California appellate court reversed a lower court decision certifying residents' class action lawsuit against the state wildlife agency in connection with efforts to eradicate an invasive…

A district court recommended that individuals' request for class certification in a case against TVA for a coal ash spill in Tennessee be denied. On December 22, 2008, one of the coal ash…

The Federal Circuit held that landowners seeking compensation for the alleged taking of their respective reversionary property interests under the National Trail Systems Act were permitted to opt…