In 2007, Professor John Duffy wrote a brief article questioning whether administrative patent judges are constitutional officers and therefore subject to the Appointments Clause. A litigant latched onto the argument and challenged the validity of eight years of Board of Patent Appeals and Interferences determinations. Congress enacted a patch to provide for the appointment of patent judges, but the Duffy Defect did not stop there. Other scholars have questioned the constitutionality of various government actors from Bankruptcy Judges to the Pay Czar. The United States Tax Court dealt with a recent Appointments Clause challenge when a taxpayer questioned whether Internal Revenue Service (IRS) Appeals personnel who perform Collection Due Pr...