"regarding " It is the usual method of labeling a proceeding with no adversarial parties, but some res, such as a bankrupt's estate or a proposed public project "In re" is used to replace phrases such as "in the matter of," "petition of," and "application of "
In the affair; in the matter of; concerning, regarding This is the usual method of entitling a judicial proceeding in which there are not adversary parties, but merely some res concerning which judicial action is to be taken, such as a bankrupt's estate, an estate in probate court, a proposed public highway, etc