The right of a solicitor to retain papers or property of his client as security for the payment of his costs. There are two types of lien: a retaining lien, i.e. a right to retain property already in his possession until he has been paid costs due to him; and a lien on property recovered or preserved, i.e. a right to ask the court to direct that personal property recovered under a judgment obtained by his exertions stand as security for his costs of the recovery. By statute the second type of lien has been extended to confer upon the court the power to make a charging order over real and personal property recovered or preserved in proceedings by the solicitor.