признанный нарушителем(Trade association members can be found to be in breach of competition law by virtue of the association's activities, or could even be found ... Alexander Demidov)
с нарушением(с нарушением требований законодательства = in breach of the statutory requirements. Often, the first time someone seeks to undo a transaction that was carried out in breach of the statutory requirements is when the company becomes insolvent, ... Alexander Demidov)