Any lawsuit, class action or otherwise, requires the claimants to have suffered whatever harm they're suing over. You can't sue a company because they injured s

Any lawsuit, class action or otherwise, requires the claimants to have suffered whatever harm they're suing over. You can't sue a company because they injured someone else. (IANAL and I'm only familiar with English law, but I'd be very surprised if there was anywhere where that isn't true, it's pretty fundamental)