The Supreme Court nullified the Viagra’s use patent, accepting dismissal of the Pfizer’s appeal

The Supreme Court made the final decision that the use patent of the impotency treatment ‘Viagra’ is invalid. Thus, generic companies have gotten away from damage suits.

The Second Special Department of the Supreme Court dismissed the Pfizer’s claim appealing against the nullity of the Viagra’s use patent.

Earlier, the Intellectual Property Tribunal and the Patent Court approved the nullity t...