Research and Markets: The "Patent Cliff": How Pfizer Has Responded to the Loss of Its Best-Selling Drug

<0> Research and Markets: The "Patent Cliff": How Pfizer Has Responded to the Loss of Its Best-Selling Drug </0>

<0> Research and MarketsLaura Wood, Senior Manager.U.S. Fax: 646-607-1907Fax (outside U.S.): +353-1-481-1716Sector: , </0>

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The pharmaceuticals market was worth $733bn in 2010. The top four market players (Pfizer Limited, Merck & Co., AstraZeneca, and GlaxoSmithKline) had a market share of 22.3%. Pfizer has been involved in many mergers and acquisitions. With some of these acquisitions came the rights to blockbuster drugs such as Lipitor (produced by Warner-Lambert) and Prevnar (produced by Wyeth).

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ANALYSIS

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