T 1789/11 - Bills, bills, bills
The opponent filed six related oppositions against patents arising from a parent application and five divisional applications from it. The Notices of Opposition each contained a debit order, ordering that the opposition fees to be debited from the opponent’s deposit account. Unfortunately, the opponent's deposit account had only contained sufficient funds for one opposition fee. After the opposition period ended, the deposit account was replenished and the opposition fee was payed with 30% penalty, under rules of the ADA. The proprietor challenges the legality of this. Note the Arrangements for deposit accounts (ADA) has since changed! (Old rules, New rules, Faq )