The following excerpt is from Blakesley v. Fisher, No. 2:20-cv-0567 TLN AC P (E.D. Cal. 2020):
4. When available, petitioner's filing dates referenced herein reflect the prison mailbox rule, which deems a document served or filed on the date it was signed by the prisoner and given to prison officials for mailing. See Houston v. Lack, 487 U.S. 266 (1988) (establishing prison mailbox rule); Campbell v. Henry, 614 F.3d 1056, 1059 (9th Cir. 2010) (applying the mailbox rule to both state and federal filings by incarcerated inmates).
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