1. The Korean Intellectual Property Tribunal’s decision on the case No. 2016 Won1645 on December 22, 2017 shall be revoked.

2. The costs of lawsuit shall be.

1. Basic facts

A. The title of the patented invention of this case (Evidence 1) 1: B) the international filing date / the priority claim date / the registration date / the registration number : C/D/ the patent E-3 of April 12, 2002: Plaintiff 4) The claim / 116 / the claim 117 / the chemical type I compound or its pharmaceutically permitted.

(c)R1: R2 is H or C1-8 K; R2 is H1-8 K, CH2-O1-C1-8 K or CH2; R2a is H or CH2-L2; R3 is likely to be known, CNR5, NH5, N2 (R5) or NA2-H-2; CR3 is likely to be known to not more than 3,000,000,000,000 or less than 8,000,000,000 or less; 3,000,000,000 or less; 3,000,00,000 or less; 4,00,000 or less; 3,00,00,000 or less; 3,00,000,000 or less; 3,00,000,000,00,000,00