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Term of a patent is 20 years from the date on which the application for the patent was filed at the US Patent Office. Continuing Patent Applications (continuation, CIP and divisional) claim benefit from the earlier filed non provisional application (parent application). The term of any patent issuing from a continuation, CIP or divisional application is 20 ...


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Ok first thing First all patents except US6,123,332 have expired for non-payment. I have to dig more for your next question about parent expiry affecting child expiry with respect to maintenance fee. though i doubt that happens NOW to main question in US patents wherein Parent child relation exist generally a terminal disclaimer is seen. If parent patent ...


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