About the Top Ten

1. Top Ten Settlements: largest securities class action settlements for cases filed since the passage of the PSLRA.
2. Longest Lawsuits: determined by the date of the first identified filing in federal district court.
3. Plaintiff Law Firms: determined by number of cases where the law firms were appointed as lead counsel or were named in the first identified complaint.
4. Defendant Firms: determined by number of cases where the law firms were listed as representing defendants on dockets in the federal district courts.