25 John is the patentee of patent A, and granted his all exclusive rights to Ted by an exclusive licensing agreement. Which of thefollowing statements is true?
(A) After the aforesaid agreement is concluded, John may grant the same rights to Jenny as Ted’ through the non-exclusive licensing.
(B) When Leo infringed upon patent A, Ted may take the legal action against Leo in his name without the consent of John.
(C) Because John is the patentee of patent A, he is still entitled to execute the exclusive rights of patent A, even after the aforesaid the exclusive licensing agreement is concluded.
(D) In accordance with Taiwanese patent law, Ted has no position to argue about the invalidity of patent A during the term of the exclusive licensing agreement.