11. Queen Catherine was condemned by a bill of attainder and executed on 13 February 1542. 12. A bill of attainder was then passed. 13. The prohibitions on ex post facto laws and on bills of attainder are obviously closely related. 14. A bill of attainder is a law by which a person is immediately convicted without trial. 15. He had lost his titles and property when Parliament voted a bill of attainder for treason. 16. First, the Court rejected the argument that the Act was an unconstitutional bill of attainder . 17. In my opinion, s27A has sufficient generality to avoid the characteristics of a bill of attainder . 18. The prohibition against bills of attainder , he said, is a limit on Congress'powers. 19. In March 2010, a federal district court declared the funding ban an unconstitutional bill of attainder . 20. In 2003, a federal appeals court ruled that the act was an unconstitutional bill of attainder .