50 U.S.C. § 1810 : US Code - Section 1810: Civil liability

      An aggrieved person, other than a foreign power or an agent of a
    foreign power, as defined in section 1801(a) or (b)(1)(A) of this
    title, respectively, who has been subjected to an electronic
    surveillance or about whom information obtained by electronic
    surveillance of such person has been disclosed or used in violation
    of section 1809 of this title shall have a cause of action against
    any person who committed such violation and shall be entitled to
    recover - 
        (a) actual damages, but not less than liquidated damages of
      $1,000 or $100 per day for each day of violation, whichever is
        (b) punitive damages; and
        (c) reasonable attorney's fees and other investigation and
      litigation costs reasonably incurred.