https://www.google.com/url?sa=t&source=web&rct=j&url=https://sunsteinlaw.com/wp/wp-content/uploads/2016/12/Website-IPR-2016-12.pdf&ved=2ahUKEwjA9pupg53bAhXB21MKHWepD-4QFjAAegQICBAB&usg=AOvVaw0wEoFaM8MyUeTDyNYJ3CHk Nice little flow chart here