MS SB2641

Defines a "vexatious litigant" as someone who has filed five or more pro se civil lawsuits in the past five years that were decided against them, excluding justice court cases

Allows defendants to request that a court order a vexatious litigant to post security (money to cover anticipated legal fees and costs) if the plaintiff is unlikely to prevail on the merits

Requires automatic dismissal with prejudice if a vexatious litigant fails to post court-ordered security within the specified timeframe

Authorizes courts to issue prefiling orders requiring vexatious litigants to obtain permission from a senior judge before filing any new pro se lawsuits, with violations punishable as contempt of court

Requires the Mississippi Supreme Court Clerk to maintain a registry of all vexatious litigants based on prefiling orders submitted by local court clerks