In 1935, the Emperor Organ Theory was officially driven out in the House of Peers with political strife between parties involved, and Minobe, who was an advocator of the theory and a councilor by Imperial command, addressed the Diet in his own defense.
1935年（昭和10年）には、政党間の政争を絡めて、貴族院において天皇機関説が公然と排撃され、主唱者であり貴族院の勅選議員となっていた美濃部が弁明に立った。