应当指出，若诉讼被提交，则责任险(或甚至责任豁免)不提供保障(或积极抗辩)。
It should be noted that liability insurance (or even a liability waiver) might not offer protection (or an affirmative defense) if a suit is filed.
三位高管抗辩他们是无辜的，并将以诉讼方式反击诽谤。
The executives protested their innocence and sued for defamation.
在专利侵权诉讼中，被告常以与第三者所签的合同来进行抗辩。
In a lawsuit of infringing patent, defendant often carries on a plea by concluding a contract with a third party.
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