1. All of the plaintiffs' claims are dismissed.

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

1. Facts of recognition;

A. The Plaintiff Company A (hereinafter “A”) and B (hereinafter “B”) are companies engaged in the manufacturing of metal windows, and the Defendant is a company engaged in the construction business using metal windows, etc.

B. The name of the Plaintiff A's patented invention (hereinafter referred to as "the patented invention in this case"): 20 days of application date/registration number / 3: Plaintiff A4) 【 Claim 1' as far as it is installed inside the building, and as long as it is opposite to each other in front, set up two remote areas (101) inside the above-mentioned branch (101) / 102 of outer walls (102) which are parallelly formed with the above-mentioned 30 days of outer walls (100) / 100 of outer walls (100) / 100 of outer walls (100) which are fixed in the direction of length of 100 / 100 of outer walls (101a) / 200 of outer walls (100) / 200 of outer walls are fixed in the direction of 100 / 300 of outer walls (200 of side walls) / 100 of side walls (100 of side walls) 20).