Black's Law Dictionary (2nd edition)dictionaries

Jus In Re

In the clvll law. A right in a thing. A rlght existing in a person with respect to an article or subject of prop-erty, inherent in hls relation to it, implying 'complete ownership with possession, and available agalnst all the world. See Jus ao Rem

Source: Black's Law Dictionary 2nd Ed (1910)