Major Blockbuster drugs patents expired in Pharmaceutical history:--

Here are some of the major blockbuster drugs whose patents have expired in recent years.

- *Plavix*: A blood thinner discovered in the early 1990s, with a patent expiration date between 2011 and 2015.

- *Singulair*: An asthma medication discovered in the early 1990s, with a patent expiration date between 2011 and 2015.

- *Diovan*: A blood pressure medication discovered in the early 1990s, with a patent expiration date between 2011 and 2015.

- *Lipitor*: A cholesterol medication discovered in the early 1990s, with a patent expiration date between 2011 and 2015.

- *Rituxan*: A cancer medication discovered in the late 1990s, with a patent expiration date between 2014 and 2019.

- *Humira*: An arthritis medication discovered in the late 1990s, with a patent expiration date between 2014 and 2019.

- *Novolog*: A diabetes medication discovered in the late 1990s, with a patent expiration date between 2014 and 2019.

- *Avastin*: A cancer medication discovered in the late 1990s, with a patent expiration date between 2014 and 2019.

- *Emtricitabine/tenofovir*: An HIV medication, with a patent expiration in 2018 in the European Union.

- *Glatiramer acetate*: A multiple sclerosis medication, with a patent expiration in 2015.

- *Entecavir*: A hepatitis B medication, with a patent expiration in 2015.

- *Sildenafil*: An erectile dysfunction medication, with a patent expiration in 2013 in the European Union.

- *Xarelto*: A blood thinner, with a patent expiration in 2024.

- *Victoza*: A diabetes medication, with a patent expiration in 2024.

- *Abilify Maintena*: A schizophrenia and bipolar disorder medication, with a patent expiration in 2024.

- *SOMATULINE DEPOT*: A cancer medication, with a patent expiration on September 15, 2024.

- *SUSTOL*: A nausea and vomiting medication, with a patent expiration on September 28, 2024.

- *PRIALT*: A pain medication, with a patent expiration on October