A. The Plaintiff is a person who operates DD located in Daegu Seo-gu, and engages in the processing and sale of the headquarters, and the Defendant is a patentee who filed a patent application for “EF”’s invention and completed the registration of the establishment of G patent number H (hereinafter “instant patent invention”).

B. The scope of the patent claim (claim) of the instant patent invention is as follows.

With respect to claim - direct floor which consists of 10 to 150 chlorates for recording composed of 100 chlorates - 5 chlorates - 10 chlorates for fibers - 10 to 70 chlorates (deni) and two physical floor (1); 5 % of the total clorates from 10 to 5 chlorates (350 %), which consists of 10 chlorates (5 to 15 chlorates), which consists of 10 chlorates of fibers (5 to 10 chlorate), which consists of 10 chlorates of fibers (5 to 10 chlorates), which consists of 10 chlorates (5 to 10 chlorates), which consists of 10 chlorates-25 % weight weight weight weight-5 chlorates/5 chlorates (20% weight weight).

C. The defendant asserts that the main body of the Ri, which the plaintiff produced and sold, and its semi-finished products (hereinafter "products of this case") infringed the defendant's patented invention of this case. On March 11, 2008, the defendant sent the content-certified mail (Evidence B No. 3-4) that "the warning letter" to the plaintiff, and then sent samples and technical products produced and sold by the plaintiff to the plaintiff.