Sildenafil Patent History and Impact

Exploring Sildenafil's Patent History and Its Impact

Sildenafil's Discovery and Initial Patent

A look at the origins of Sildenafil and its initial patenting as a treatment for ED.

Viagra's Market Dominance

Examining Viagra's rise to market dominance and Pfizer's brand monopoly.

Impact of Patent Expiration

Discussing the effects of the patent expiration on market competition and medication pricing.

Global Implications

Analyzing the worldwide impact of generic Sildenafil on sexual health and treatment accessibility.

Controversies and Legal Battles

Exploring the legal challenges and controversies surrounding Viagra’s patent extensions.


Summarizing the significant influence of Sildenafil's patent history on the pharmaceutical industry and patient access.