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News Roundup [abridged Versions Appear In The Paper Journal]

Pfizer considers appeal over Viagra ruling

BMJ 2000; 321 doi: (Published 18 November 2000) Cite this as: BMJ 2000;321:1244
  1. Roger Dobson
  1. Abergavenny

    Pfizer is considering launching an appeal against a court ruling in London that removed patent protection from a key ingredient in Viagra. The patent on Viagra as a compound remains in place, but the patent covering the use of the phosphodiesterase 5 (PDE 5) inhibitor in the treatment of male erectile dysfunction has been overturned.

    The court ruling that Viagra had no general patent protection on the PDE 5 inhibitor is seen …

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