CareFusion 303 prevails in patent infringement action over medical device infusion systems

Client(s) CareFusion 303, Inc.

Jones Day won a summary judgment of patent invalidity for CareFusion 303, Inc., a global medical technology company, in the District of Maine. Plaintiffs accused CareFusion's infusion systems of infringing a patent for a multichannel fluid delivery system. At claim construction, the district court construed two means-plus-function claim terms as indefinite, resulting in summary judgment of invalidity on all asserted claims.

Ergo Licensing LLC v. CareFusion 303, Inc., Case No. 02-08-cv-00259, D. Me. (District Judge George Z. Singal) (Magistrate Judge John H. Rich, III)