All of the plaintiffs' claims are dismissed.

The costs of lawsuit shall be borne by the plaintiffs.

1. Basic facts

A. The plaintiffs' names of the patented invention of this case (A evidence 2-2) 1: D2) filing date/registration date/registration number: E/F/G3) patent claims 【 Claim 1 and 2 【Request 3 【Request 3】 The construction method of retaining wall cutting at the prescribed height and forming the cut surface of No. 1 (hereinafter referred to as "requirements 3-1").

(i) the phase in which multiple tensions are inserted and fixed on the cutting surface of Section 1 above to be exposed to the outside of the cut surface of Section 1 above below the permitted length (hereinafter referred to as “class 3-2”);

(i) the tensions of the above multiple tensions which are selectively concluded on the longer tensions of some of the above several tensions; (hereinafter referred to as “entents 3-3”);

(ii)as well as the phase in which the panel is attached to the above liberty and is closely adhered to the cut side of No. 1 above (hereinafter referred to as “entents 3-4”).

(1) In the case of paragraphs 1 through 3 of this case, the retaining wall construction method (hereinafter referred to as “instant Claim 3 invention”) with the characteristic of including, but not limited to, the other claims in the same manner. In either of the above paragraphs 4, paragraphs 1 through 3 of this Article, the retaining wall construction method (hereinafter referred to as “convening part 5-1”) with the characteristic of including the step in which the above is sealed and sealed in the above free wall and sealed in the cut side of paragraph 1. In paragraph 4 of this case, the retaining wall construction method (hereinafter referred to as “convening part 5-1”) with the basis for supporting the panel constituting the retaining wall (hereinafter referred to as “convening part 5-1”).

(a) (a) If the above-mentioned is attached to the above-mentioned suspensions and is close to the above-mentioned cuttings, and the length of the above-mentioned suspensions has sufficient length to fix the above-mentioned suspensions on the above-mentioned basics, the closed-mentioned panel shall be moved to and fixed to the above-mentioned basics, and (b) the above-mentioned panel shall be attached to the above cuttings and is close to the above-mentioned suspensions, and the length of the above-mentioned suspensions is short of fixing the above-mentioned suspensions on the basics, the above-mentioned panel shall be above the above-mentioned basics.