, issues, and injuries. All affected parties are considered to be part of the class action lawsuit, unless they opt out. Each potential member is provided notice of the class action lawsuit. Any person who does not opt out of the lawsuit is included in the class action. The court also determines what the best notice will be for the plaintiffs. Class actions can be filed for any number of issues, including medical devices like those the subject of the DePuy recall. Class action lawsuits are often filed over products companies have recalled for one reason or the other.