Seriatim Law and Legal Definition
Seriatim is a Latin word which means "one after another" as in a series. For example, the issues or facts are discussed seriatim or ad seriatim means it was discussed one by one in order.
In U.S, consistent with its legal ancestry, the Supreme Court initially followed the practice of writing seriatim opinions; that is a series of opinions are written individually by each judge on the bench, as opposed to a single opinion speaking for the court as a whole. However Chief Justice John Marshall ended the practice reasoning that for the Court to grow in stature, it must speak with one voice rather than many.