11. Whatever may be the result of the prosecution mentioned in section 10, and notwithstanding such prosecution, all persons who consider themselves to have been prejudiced by any infringement of the provisions of sections 9 or 10 of this act or of the provisions of any other act may take proceedings jointly before any civil court having jurisdiction, to recover the damages they have suffered.
R. S. 1964, c. 125, s. 11.