; or (2) waive or abridge any right or cause of action under this Act, including requiring an employee or contractor to pursue any claims under this Act in a nonpublic or otherwise confidential manner. (c) Nonpreemption Nothing in this section shall preempt any Federal or State law (including any local law or ordinance), contract, agreement, policy, plan, or practice that establishes a right or benefit that is more beneficial to, or is in addition to, a right or benefit provided to employees or contractors under this Act. 4. Enforcement (a) Private right of action (1) In general A person who is injured by an actual or threatened violation of section 3 may bring an action for injunctive relief and monetary damages, including compensatory and punitive damages. (2) Costs The court shall award a prevailing plaintiff costs and fees, including reasonable attorney’s fees and expert witness fees. (3) Limitation on monetary damages An employee or contractor bringing an action under this subsection to recover monetary damages pursuant to a profit-sharing, revenue-sharing, or analogous arrangement with a domestic entity may not recover the portion of the proceeds of such arrangement which would likely have been derived from activities or sales within the country governed by the designated foreign authority with which such employee or contractor’s protected activity relates. (4) Statute of limitations (A) In general No action may be commenced pursuant to this subsection more than the later of— (i) 5 years after the date on which the violation occurs