AFL-CIO Sues AstraZeneca Over Handling Of Prilosec Patent Expiration

Law360, New York (October 18, 2004, 12:00 AM EDT) -- The largest labor union in the U.S. has joined forces with several California unions to file a lawsuit against U.K.-Swedish drug maker AstraZeneca over its campaign to persuade users of blockbuster heartburn drug Prilosec to move on to its next-generation drug Nexium after the patent on Prilosec expired.

The suit claims that AstraZeneca sought to preserve its market share and profits as the patent on Prilosec was set to expire by initiating a “massive and misleading” advertising and promotional campaign to “deceive consumers into purchasing Nexium,...
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