Viagra Loses Patent Protection in Ireland, Britain


Jun 22, 2013

The Irish Times

Pfizer’s little blue pill, Viagra, loses patent protection in Ireland and Britain. It is just the latest blockbuster drug to fall off the patent cliff. It’s a feeling Pfizer knows only too well, having seen sales of Lipitor plummet 60 percent last year.

Compared to the cholesterol drug – the world’s top selling prescription medication until the last couple of years – the impact of Viagra will be muted. Read the full story.
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