1. All of the plaintiffs' claims are dismissed.

2. The costs of lawsuit are assessed against the plaintiffs.

1. Details of ruling;

(a) Business approval and public announcement - Business name: Business name: A public announcement of the approval for the implementation of a housing redevelopment project in the QR district announced by Yangcheon-gu Seoul Metropolitan Government on December 21, 2009 (the authorization date of the implementation plan: December 18, 2009) on May 7, 2015;

B. Plaintiff A, Yangcheon-gu Seoul Metropolitan Government Land Tribunal’s adjudication on expropriation of Sep. 30, 2016 - Each building owned by the Plaintiffs (hereinafter referred to as “Plaintiff”) is a sectioned building and the share of the site was assessed in combination with the sectional ownership of the building) Plaintiff B, Yangcheon-gu Seoul District Section 402 (No. 402) (hereinafter “Plaintiff A”) Plaintiff B, Yangcheon-gu Seoul District Section 302 (hereinafter “Plaintiff B”) (hereinafter “Plaintiff”) Plaintiff C, Yangcheon-gu Seoul District Section 301 (No. 301) (hereinafter “Plaintiff-owned building”) Plaintiff C, Yangcheon-gu Seoul Section 5 (No. 303) (hereinafter “Plaintiff-owned building”) and Plaintiff 20, Yangcheon-gu Seoul Section 201 (No. 201) on the ground (hereinafter “Plaintiff-owned building”) owned by Plaintiff 20, Yangcheon-gu Seoul Section 201 (hereinafter “Plaintiff-Y26) on the ground (hereinafter “Plaintiff-owned building”).