1. The decision made by the Intellectual Property Tribunal on September 10, 2019 on the case No. 2019Da1630 shall be revoked.

2. The costs of lawsuit shall be.

1. Basic facts

(a) Name (1) of the patented invention: C2) filing date/registration date/F 3: Defendant 4) : D/Sgd. Sheet formed to respond to the shape of the above-mentioned concrete slabs panel 1; multiple brubs formed to correspond to the shape of the brub panel; brushes formed to the above-mentioned brub; crushes formed to the above-mentioned brupt; hereinafter referred to as the “brushes 1; hereinafter referred to as the “brushes brushes brushes”) established to the above-mentioned brushes in the direction of both sides of the examination home width (hereinafter referred to as the “brushes 2; hereinafter referred to as the “brushes brushes brushes brushes brushes brushes brushes 2; hereinafter referred to as the above-mentioned brushes brushes brushes 2.