1. The plaintiffs' appeals against the defendants are all dismissed.

2. The costs of appeal are assessed against the Plaintiffs.

1. In the first instance trial, the Plaintiffs claimed for payment of KRW 20 million and delay damages to the Defendants to the Plaintiff Company A, as a partial claim for the prohibition of infringement on patent rights (registration number L) and design rights (basic design registration numberO, similar design registration number R, and similar design registration number R), destruction of infringing products, and damages for the said infringement from October 11, 2015 to December 31, 2017.

The court of first instance dismissed all the plaintiffs' claims against the defendants, and the plaintiffs appealed against the part of the dismissal of damages as stated in the above purport of appeal.

Therefore, the subject of this court's judgment is limited to the part of damages caused by the infringement of the above patent and design right.

2. The grounds for the acceptance of the judgment of the court of first instance are as stated in the reasoning of the judgment of the court of first instance, in addition to the parts which are written or added by the reasoning of the judgment as follows, and thus, they are cited in accordance with the main sentence of Article 420

3. Part 5 of the first instance court's decision which is used or added to the registered design of this case (C. hereinafter "the basic design of this case and the similar design of this case (hereinafter "the similar design of this case") are used as "each of the registered designs of this case", and the part on which "the registered design of this case" of the first instance court's decision was referred to as "each of the registered designs of this case" shall be referred to as "each of the registered designs of this case."

Part 3 of the 8th judgment of the first instance court (the plaintiff's assertion 1) is amended to "2.1)".

Part 8 through 16 of the decision of the first instance shall be deleted.

After the 16th decision of the first instance court, the following shall be added:

【3) The Plaintiffs’ remaining arguments protruding the length of the basic design of this case in the upper right direction compared to the central part of this case.