human: If applicant fails to file an amendment to add a claim for the benefit of a prior-filed reissue application in a later-filed reissue application within the time period set forth in 37 CFR 1.78(a)(2) (e.g., four months from the actual filing date of the la
assistant: Yes, a petition under 37 CFR 1.78(a)(3) and the surcharge set forth in 37 CFR 1.17(t) would be required if the later-filed reissue application is a utility or plant application filed on or after November 29, 2000, even if the later-filed reissue application is for correcting a patent that issued from an application filed before November 29, 2000. This is because the benefit claim is between the later-filed reissue application and the prior-filed reissue application and the benefit claim of the prior-filed reissue application is not being added to correct a benefit claim in the patent.