Habeas petition is untimely when petitioner was sentenced under an earlier-abrogated provision of the law that established certain crimes as predicate convictions based on the use of force, but petitions for relief under a subsequent holding of the Supreme Court as to the residual clause of the same law, since only the latter announced a substantive change in the law.
http://www.ca2.uscourts.gov/decisions/isysquery/d97b88cf-c722-4c12-a6fc-67b8ddb371fe/1/doc/17-1676_opn.pdf#xml=http://www.ca2.uscourts.gov/decisions/isysquery/d97b88cf-c722-4c12-a6fc-67b8ddb371fe/1/hilite/
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.