California Code, Business and Professions Code - BPC § 6090.5

(a) It is cause for suspension, disbarment, or other discipline for any licensee, whether acting on their own behalf or on behalf of someone else, whether or not in the context of litigation to solicit, agree, or seek agreement, that:

(b) This section applies to all agreements or attempts to seek agreements, irrespective of the commencement or settlement of a civil action.