The brand name medication called Viagra has been available on the market since 1998 after receiving approval from the FDA. Since then, sildenafil or Viagra has been sold to millions of men all over the world who are seeking a safe and effective way to treat male impotence or erectile dysfunction. The patent for the drug’s manufacturer has been held by Pfizer since 1996, but it expired in 2012. Therefore, if you are wondering when will Viagra go generic, the drug is scheduled to be available in the United States by 2017, as well as in many other parts of the world. However, generic Viagra is already available in certain countries such as Egypt, India and China, where the company’s patent claim is either not enforced or does not apply.