Keeney v. Tamayo-Reyes, 504 U.S. 1 (1992), was a United States Supreme Court case in which the Court held that a cause-and-prejudice standard, rather than Fay v. Noia's deliberate bypass standard, is the correct standard for excusing a habeas corpus petitioner's failure to develop a material fact in state-court proceedings.

[1] This decision increased the deference that federal courts are supposed to give to the record in underlying state court proceedings when evaluating habeas petitions.

[2] This article incorporates written opinion of a United States federal court.

As a work of the U.S. federal government, the text is in the public domain.

This article related to the Supreme Court of the United States is a stub.