Law Commons^™

Vertical Power, Michael S. Green

Michael S. Green

Many legal scholars and federal judges - including Justices Ginsburg and Scalia - have implicitly assumed that a state can extend its procedural law solely to federal courts within its borders. To date, however, no one has identified this assumption, much less defended it. Drawing upon an example discussed by Chief Justice Marshall in Wayman v. Southard, 23 U.S. (10 Wheat.) 1 (1825), 1 argue that such vertical power does not exist. Not only do states lack a legitimate interest in extending their law vertically, a state's assertion of vertical power would improperly discriminate against federal courts. If state law …

Horizontal Erie And The Presumption Of Forum Law, Michael S. Green

Michael S. Green

According to Erie Railroad v. Tompkins and its progeny, a federal
court interpreting state law must decide as the state’s supreme
court would. In this Article, I argue that a state court interpreting
the law of a sister state is subject to the same obligation. It must
decide as the sister state’s supreme court would.

Horizontal Erie is such a plausible idea that one might think it is
already established law. But the Supreme Court has in fact given
state courts significant freedom to misinterpret sister-state law. And
state courts have taken advantage of this freedom, by routinely presuming
that …