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Just to clarify this question about priority dates from a European patent application perspective. Each and every claim of a European patent application has one or more effective dates (yes, a single claim may have more than one effective date). In this case, say P1 is the filing date of the first provisional application, P2 the filing date of the second ...


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Note - If you are not in the U.S. you need to file the PCT application either with the IB in Geneva or with your local patent office, not with the USPTO. Specifically regarding the 100 claims in the PCT application. You might want to do something to keep the 80 that are not in the U.S. application from being considered "new matter" if you ever wanted to ...


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Whether you have to claim priority in the PCT application from the US non-provisional depends on two factors: Does the US non-provisional disclose subject-matter not contained in the two US provisional applications? Will the US non-provisional be filed before the PCT application (i.e. will it have an earlier filing date)? If the answer to the first is NO, ...


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For credentials, I am a patent lawyer and am trained as a patent attorney. But this is not legal advice. I would not do it due to strategy. In Australia at least, each claim has its own priority date. If you have added new claims in the complete application then they will have a different priority date than those based on the provisional patent application....


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