There is the primary professional responsibilities under which the professionals have no responsibilities to attain the client's intents in Japanese Law, English Law and American Law etc. The primary professional responsibilities are inclined to meet the principles of the contracts. The phenomenon defines "Going toward the contracts for the professional responsibilities". There is also a traditional dispute about the regal matter of the architect contract between owner and architect in Japan. This dispute is whether the architect contracts should be applied to Ininkeiyaku or to Ukeoikeiyaku. They are the types of the typical contracts in Japanese Civil Law. The dispute is similar to the phenomenon, "Going toward the contract for the professional responsibilities". The considering of this dispute defines the architect's responsibility for remedying the defective buildings. This paper tries to explicate the regal matter of the architect contracts and "Going toward the contracts for the professional responsibilities" considering English law and American law, and to identifies the professional responsibilities in Japan.