Does the favorable termination rule bar civil rights claims?

Often referred to as the Heck bar, the favorable termination rule bars any civil rights claim which, if successful, would demonstrate the invalidity of confinement or its duration. Such claims may be asserted only in a habeas corpus petition. Heck v. Humphrey, 512 U.S. 477, 489, 114 S.Ct.

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2364, 129 L.Ed.2d 383 (1994) (until and unless favorable termination of the conviction or sentence occurs, no cause of action under 1983 exists); see also Edwards v. Balisok, 520 U.S. 641, 646-48, 117 S.Ct. 1584, 137 L.Ed.2d 906 (1997) (holding that a claim for monetary and declaratory relief challenging the validity of procedures used to deprive a prisoner of good-time credits is not cognizable under 1983).