In the Matter of MAHURKAR DOUBLE LUMEN HEMODIALYSIS CATHETER PATENT LITIGATION.
United States District Court, N.D. Illinois, E.D.https://leagle.com/images/logo.png
December 5, 1991.
December 5, 1991.
Attorney(s) appearing for the Case
Roy H. Wepner, Joseph S. Littenberg, John R. Nelson, Lerner, David, Littenberg, Krumholz & Mentlik, Westfield, N.J., for Vas-Cath, Inc., Gambro, Inc., Omni Medical Products, Inc.
Daniel W. Vittum, Jr., Russell E. Levine, Kirkland & Ellis, Chicago, Ill., for Vas-Cath, Inc., Omni Medical Products, Inc.
Arthur B. Sternberg, Pedersen & Houpt P.C., Chicago, Ill., for Gambro, Inc.
Michael W. Coffield, Michael J. Philippi, Coffield, Ungaretti, Harris & Slavin, Chicago, Ill., for Geoffrey Martin, M. Jane Martin.
Joseph N. Hosteny, Raymond P. Niro, John C. Janka, Michael P. Mazza, Niro, Scavone, Haller & Niro, Chicago, Ill., for Sakharam D. Mahurkar.
Marvin A. Glazer, Cahill, Sutton & Thomas, Phoenix, Ariz., Granger Cook, Jr., Mark J. Murphy, Cook, Egan, McFarron & Manzo, Ltd., Chicago, Ill., for IMPRA, Inc.
Steven J. Baron, American Home Products Co., Michael J. Sweedler, Anthony C. Coles, Darby & Darby, P.C., New York City, Samuel Fifer, Sonnenschein Nath & Rosenthal, Chicago, Ill., for Quinton Instruments Co.
H. Ross Workman, Brent P. Lorimer, Workman, Nydegger & Jensen, Salt Lake City, Utah, for Kendall Med-West.
Alan L. Unikel, Maureen Gorman, Seyfarth, Shaw, Fairweather & Geraldson, Chicago, Ill., for Michael Reese Hosp., University of Chicago Hospitals, Chicago Osteopathic Hosp., Jackson Park Hosp.
United States District Court, N.D. Illinois, E.D.
OPINION
EASTERBROOK, Circuit Judge.*
All defendants have moved for summary judgment, maintaining that the hemodialysis catheters they make or used to make do not infringe Dr. Mahurkar's patent No. 4,134,402 (the '402 patent). This, the oldest of the Mahurkar patents in issue (five other U.S. utility patents, one U.S. design patent, and one Canadian design patent play large roles), is the basis of infringement claims against all...
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