1. The claim of this case is dismissed.

2. The costs of lawsuit shall be borne by the Plaintiff.

1. Basic facts

A. The Plaintiff (formerly: C Co., Ltd.) is a company established for the purpose of constructing and operating the urban renewal promotion project of the zone D, and the Defendant was the owner of the land and the ground buildings located in the zone, Jung-gu Seoul Special Metropolitan City E (hereinafter “instant real estate”).

B. On December 15, 2009, the Plaintiff entered into a sales contract with the Defendant, setting the sales price of KRW 10 billion with respect to the instant real estate as follows (hereinafter “instant sales contract”).

Article 1 [Sale Price and Time] Article 2 / [Sale Price and Transfer of Real Estate Ownership] Article 2 of the Act (including the transfer of real estate ownership] provides the Plaintiff with documents necessary for trust after cancelling a third party's right registered on the registry of real estate subject to sale at the time of the receipt of intermediate payment, and the lessee provides the documents necessary for the registration of transfer of ownership and the remainder of the registered city shall be paid to the Plaintiff.

Article 3 [Right and Duty] (1) The defendant shall provide the plaintiff with all books necessary for the authorization and permission procedure for promoting the urban environment rearrangement project at the same time as the down payment is made, and shall not interfere with the progress of the plaintiff's business, and shall actively cooperate at the request

제5조 [계약의 해제] 1) 아래 각 항에 명시된 사유발생 시 원고는 이 계약을 해제할 수 있다. ① 피고가 계약상 제반의무를 이행하지 않는 경우 ◆ 특약사항 제1조 제1항의 중도금 지급금은 금융기관에서 대출(본 PF 이 실행된 후 지급되므로 중도금지급기일 이전이라도 지급될 수 있으며 만약 대금지급기일이 지체될 경우 경과일수에 따라 법정이자를 지급하기로 하고, 지급기일이 6개월을 경과한 경우에는 본 계약이 해약된 것으로 하여 원고가 지급한 계약금은...