Conn. Gen. Stat. § 52-227
In any civil action in which a cause of action is sustained in favor of or against only a part of the parties thereto, judgment may be rendered in favor of or against such parties only; but any defendant against whom no recovery is obtained shall be entitled to costs.
See Sec. 52-257 re fees of parties in civil actions.
(1949 Rev., S. 7976.)