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1. The plaintiff's claims against the defendants are all dismissed.
2. The costs of lawsuit shall be borne by the Plaintiff.
Reasons
1. Basic facts
A. Name of the Plaintiff’s patented invention (1) invention of this case: The method of constructing a bathing room to install a drainage pipe system on the upper floor and its three-dimensional bathing room (2) filing date/registration date/registration number: October 22, 2007; / September 3, 2010; the outline of the invention No. 981324 (3) invention of this case is about the construction method of a bathing room to install a drainage pipe system on the upper floor in a multi-household building such as apartment house (L No. 001) and the three-story bathing room (B) previous technical problems: The water pipe system of the bathing room installed on the upper floor through the basic concrete floor to overcome the previous problems of the water pipe system installed on the upper floor by transmitting the water pipe system to the water tank on the upper floor in order to overcome the previous problems of the water pipe system on the upper floor.
However, in the past, the water pipe system has problems that can easily destroy sewage pipes from external shocking because it is difficult to secure the thickness of the entire floor of the three-dimensional bathing room to protect sewage pipes or sewage pipes (hereinafter “water pipes, etc.”) by forming the basic concrete floor of the three-dimensional bathing room at the same height as the basic concrete floor of the living room or room, etc. (hereinafter “living room, etc.”).