8 In regard to the grant of the exclusive licensing about the patent, which of the following statementsis true?
(A) Under the exclusive licensing, within the licensed field of use, the licensor is entitled to practicethe claims without a need to seek permission from the licensee.
(B) The licensee under the exclusive licensing has no standing under patent law to take an actionagainst the infringer, provided that the infringement occurred relates to the licensed field of use.
(C) The registration with Taiwan Intellectual Property Office is necessary under patent law tovalidate the exclusive licensing.
(D) Unless otherwise stipulated by the agreement, the licensee under the exclusive licensing isentitled to sublicense its original licensed scope to the third party without the consent of thelicensor according to patent law.