According to the overall purport of the statements and arguments by evidence Nos. 1 and 3, the management body of the D building may establish management rules with the consent of at least 3/4 of both sectional owners and voting rights, and form a representative committee by selecting the representative members by district. The representative committee of the D building management body and the plaintiff entered into an entrustment contract for building management on March 13, 201.

In light of the management rules and the content of the management contract, it is reasonable to view that the plaintiff was entrusted not only to impose management expenses but also to perform the litigation concerning the claim for management expenses by the management body of the D building.

The defendant asserts that there is a company that performs a similar work with the plaintiff company and that it is necessary to identify the plaintiff.

On November 27, 2017, the plaintiff's trade name was changed from F corporation to A corporation, and the appellate court continued to be changed to E corporation.

On the other hand, A Co., Ltd., pointing out by the Defendant, was changed to G Co., Ltd. and F Co., Ltd., and was changed to H Co., Ltd. on June 1, 2016.

The plaintiff's specific problem can not be seen as a problem.

The plaintiff is a company that performs the management of the D building.

On September 6, 2012, the Defendant (hereinafter “instant real estate”) selected as the highest purchaser in the voluntary auction procedure regarding the 8th floor C-045 of the instant building (hereinafter “instant real estate”) and paid the sales price and acquired the ownership thereof.

The management expenses for common areas incurred from March 2003 to the acquisition of the defendant's ownership and the acquisition of the defendant's ownership.