Pfizer loses patent infringement case against Actavis in UK In the current case, Pfizer developed Lyrica (Pregabalin) for the treatment of generalized anxiety disorder (GAD) and epilepsy, but the patent for this expired in 2013. When Pfizer discovered that pregabalin could relieve pain, it took out a second medical use patent for Lyrica to cover this use. Read More: Best Patent Valuation in Bangalore.
However, there is a provision called Marketing Authorization (MA) for generic pharmaceutical companies to do the business of a drug without infringing the second medical use patents.