The plaintiffs are seeking class action status. They say that Google’s daily budget limits are misrepresented and that Google “continues to bill plaintiffs and all other members of the class in excess of the daily budgets,” creating in effect a monthly budget limit made up of the sum of the daily budget multiplied by the number of days in the month.
Google does indicate that it will refund customers charged more than 120 percent of a daily budget, but the lawsuit gives examples that allege regular violation of this policy, with one example campaign running from between 121 and 162 percent of overdelivery, all charged to one of the plaintiffs.