2. The plaintiff shall bear the costs of lawsuit.

A. On November 15, 2017, the Plaintiff jointly held a patent right of “water-resistant construction work” in relation to the installation of water-saving equipment in the construction work, in relation to the construction of the water-saving equipment in which the Plaintiff was jointly owned by an IB company, etc., among the “water-resistant construction work” contracted by C (hereinafter “C”), the principal contractor, a corporation, D, by means of the said patent law. However, the said water-resistant construction work was performed by the Corporation using the said patent law.

Meanwhile, for the purpose of checking and repairing the interior of the tea house pipe, the core is to construct the tea house pipe at the front part of the tea house pipe in order to prevent the inflow of wastewater into the tea house pipe by dividing it into a section of 400 to 500 meters. For the smooth execution of the tea house system, it is necessary to install a water-frame facility at the time and end points of the construction section and to see water before the construction section by using the water-frame while operating the water tank. Eul (including value-added tax), construction period from November 15, 2017 to December 20, 2017, from 20 to 30,000,000 won (including construction price to 532,930,000 won, to 20,0000 won to 20,000 won to 20,000 won to 20,000 won to 20,000 won to 27,017,000 won to 27,07, namely, 27, construction price to 2.

B. Meanwhile, in order to carry out the construction of each of the above physical blocks to be subcontracted from C and F on October 10, 2017, the Plaintiff and the Defendant enter into a contract with the term of contract of KRW 299,200,000 (including value-added tax, KRW 225,500,000, KRW 73,700,000, and KRW 73,700,000) with respect to the acquisition and water-handling work.