It is presented that the demur to patent infringement refers to the contradicting reasons which prove the non-existence of the plaintiff's claim in allusion to the complainant's claim.

专利侵权抗辩是指侵权人在专利侵权诉讼案件中，针对权利人的诉讼请求提出的证明原告的诉讼请求不成立的事由。

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It is presented that the demur to patent infringement refers to the contradicting reasons which prove the non-existence of the plaintiff's claim in allusion to the complainant's claim.

专利侵权抗辩是指侵权人在专利侵权诉讼案件中，针对权利人的诉讼请求提出的证明原告的诉讼请求不成立的事由。

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