MALLINCKRODT MEDICAL, INC. v. SONUS PHARMACEUTICALS, INC.

Civil Action No. 97-1732(PLF).

989 F.Supp. 265 (1998)

MALLINCKRODT MEDICAL, INC. and Molecular Biosystems, Inc. v. SONUS PHARMACEUTICALS, INC., Nycomed Imaging AS, Imarx Pharmaceutical Corp., DuPont Merck Pharmaceutical Co., Bracco Diagnostics, Inc.

United States District Court, District of Columbia.

January 5, 1998.


Attorney(s) appearing for the Case

Christopher Andrew Myers, Holland Knight, Washington, DC, George Brian Busey, Morrison & Foerster, Washington, DC, Gordon William Hatheway, Jr., Reed Smith Shaw & McClay, Washington, DC, for Mallinckrodt Medical, Inc.

George Brian Busey, Morrison & Foerster, Washington, DC, Gordon William Hatheway, Jr., Reed Smith Shaw & McClay, Washington, DC for Molecular Biosystems, Inc.

Sara Needleman Kline, Wilmer Cutler & Pickering, Washington, DC, for Sonus Pharmaceuticals, Inc.

Edward Tuck Colbert, Sr., Kenyon & Kenyon, Washington, DC, for Nycomed Imaging, AS.

Margaret Moran Zwisler, Howrey & Simon, Washington, DC, for ImaRx Pharmaceutical Corp.

Sylvia M. Becker, Kaye Scholer Fierman Hays Handler, Washington, DC, for DuPont Merck Pharmaceuticals Co.

Thomas Douglas Hollowell, Jr., Rogers & Wells, Washington, DC, for Bracco International BV, Bracco Diagnostics Inc.


OPINION

PAUL L. FRIEDMAN, District Judge.

I. BACKGROUND

Bracco Diagnostics, Inc., DuPont Merck Pharmaceutical Co., ImaRx Pharmaceutical Corp. and Sonus Pharmaceuticals, Inc. are all manufacturers of injectable contrast imaging agents for use with diagnostic ultrasound equipment in the diagnosis of cardiac dysfunction. Each product contains a fluorinated gas (perfluoropropane) or a fluorinated chemical encapsulated in a microspheric membrane...

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