The trajectory of Viagra presents a challenging picture for shareholders. While the initial launch generated massive gains, the end of its intellectual property protection opened the floodgates to off-brand alternatives, dramatically eroding market share. This presents a unique challenge for drug manufacturers relying on similar blockbuster medicat

The story of Viagra, and its creator copyright, presents a intriguing case study for investors. At first a blockbuster drug, producing billions in income, its exclusivity period created a wave of lower-priced alternatives , significantly diminishing its market share . While some pharmaceutical companies may attempt to capitalize on related treatmen