The following excerpt is from Hunter v. Ogbuehi, 1:13-cv-01681-DAD-GSA PC (E.D. Cal. 2018):
Based on the mailbox rule of Houston v. Lack, 487 U.S. 266, 108 S.Ct. 2379 (1988), a pro se prisoner's court filing is deemed filed at the time the prisoner delivers it to prison authorities for forwarding to the court clerk. Douglas v. Noelle, 567 F.3d 1103, 1107 (9th Cir. 2009).
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