The history of Viagra presents a challenging picture for shareholders. While the initial release generated substantial gains, the end of its patent opened the door to cheaper versions, dramatically eroding market share. This poses a particular challenge for pharmaceutical companies relying on related blockbuster products, suggesting that a careless

The legacy of Viagra, and its creator copyright, presents a challenging case study for investors. At first a blockbuster drug, generating billions in income, its intellectual property lapse created a wave of knock-off medications, significantly impacting its market share . While certain businesses may attempt to capitalize on similar conditions , t