Legal Definition of in re
: in the matter of —used in the title or name of a case where the proceeding is in rem or quasi in rem and not in personam (as in a matter involving a probate or bankruptcy estate, a guardianship, or an application for laying out a public highway) and occasionally in the title of an ex parte proceeding (as in an application for a writ of habeas corpus)
Origin and Etymology of in re
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