patents

Pfizer: US patent office OKs corrected Lipitor, maintains patent term until June 2011
Yahoo/AP
Tue, 01/6/09 - 03:11 pm
Pfizer
patents
Lipitor
Warning: Patent cliff approaching
Fierce Pharma
Mon, 01/5/09 - 09:49 am
patents
generics
Lipitor
Pfizer
Fosamax
Merck

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