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Foreign Law in American Courts

Sharia Divorce Law in American Court

An interesting demonstration of how foreign law—including Islamic law—is sometimes applied (pursuant to American law) in American courts.

Eugene Volokh | 7.23.2026 1:53 PM

From yesterday's Pennsylvania appellate decision in Adewale v. Adewale, decided by Judge Correale Stevens, joined by Judge Anne Lazarus and Jack Panella:

Wife claims the trial court erred in determining that the parties' marriage was void ab initio based on its finding that Wife was married to another individual at the time of the parties' purported marriage. {Although we affirm the trial court's order finding the parties' marriage to be void, we refer to the parties as "Husband" and "Wife" for ease of review.} …

The parties were married on April 21, 2011 in Lagos, Nigeria in a ceremony under Nigerian statutory law. {As discussed infra, Nigeria has a plural legal system where different legal systems (statutory law, customary law, and Islamic law) apply to different communities in Nigeria. [Similar systems exist in other countries, including, for instance, Israel. -EV]}

As Wife had become a U.S. citizen after receiving a Diversity Visa through the lottery program in 1999, she filed for Husband's entry into the U.S. as her spouse in 2012. In April 2013, Husband joined Wife in the U.S.; both of the parties are now dual citizens of Nigeria and the U.S….

During the divorce process, "Husband began to question the validity of the parties' marriage as he discovered that Wife may have been married to another person at the time of the parties' marriage," and the trial court explored that:

The trial court recognized that the law of the state in which a marriage is celebrated governs the validity of the marriage. "[I]f a marriage is invalid under the laws of the state wherein it was celebrated it will not be recognized elsewhere, regardless of the laws of the present domiciliary state or of the forum." … "[A] marriage which satisfies the requirements of the state where the marriage was contracted will everywhere be recognized as valid unless it violates the strong public policy of another state[.]"

The appellate court cited various Pennsylvania authorities on this, which are consistent with how other courts handle the matter; note also that "state" here refers to foreign countries as well as U.S. states. The trial court took extensive evidence related to the subject; here are some excerpts (though the facts are considerably more complex):

Husband claimed the........

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