IANAL, but if Vonage pulls the Prior Art card, the patent is negated by the USPTO and no one can be sued over the patent again. You can't claim prior art and then not disclose said prior art so you're protected but others can be sued.
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IANAL, but if Vonage pulls the Prior Art card, the patent is negated by the USPTO and no one can be sued over the patent again. You can't claim prior art and then not disclose said prior art so you're protected but others can be sued.