Is viagra still under patent

A whole host of generic versions have emerged in the past six years, often in quirky Dec 17, 2013 · Pfizer's patent protecting Viagra from generic competition expires in April 2020, but Teva Pharmaceuticals USA Inc. ago

2024-03-28
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  1. Maria Hudson
  2. com, or write: Viatris Inc
  3. Do not take VIAGRA if you take any other medicines called "nitrates
  4. 7
  5. BOSTON (Reuters) - Pfizer Inc said on Monday it won a patent
  6. The FDA maintains a list of approved new drug application (NDA) drug
  7. Pfizer was finally granted the Viagra
  8. SILDENAFIL (sil DEN a fil) treats erectile dysfunction (ED)
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