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www.fdanews.com/articles/148949-pfizer-settles-impax-patent-suit-over-copy-of-drug-detrol

Pfizer Settles Impax Patent Suit Over Copy of Drug Detrol

August 24, 2012
Pfizer settled a patent lawsuit over the application by Impax Laboratories to sell a copy of the bladder-control treatment Detrol LA.
Bloomberg