When does the Imitrex patent expire?

Answer Imitrex (sumatriptan succinate) is a migraine relief medicine developed by GlaxoSmithKline (GSK). It is taken orally or through the nasal cavities. The Imitrex patent expired in February 2009, afte... Read More »

Top Q&A For: When does the Imitrex patent expire

When will the imitrex patent expire?

Drug patents are extended for fourteen years from the original first sale date. Imitrex STATdose expired in December of 2006, while Imitrex tablets expired in 2009. Imitrex nasal spray will expire ... Read More »

When does the patent expire for seroquel?

AstraZeneca manufactures Seroquel, a drug used to treat bipolar disorder and schizophrenia. The patent for Seroquel expires in September 2011. In December 2008, Teva Pharmaceuticals received tentat... Read More »

When does Zoloft's patent expire?

The patent for Zoloft, or sertraline HCI, expired on June 30, 2006. Zoloft is a leading antidepressant drug that was first released in the U.S. market in 1987. It is made by Pfizer Inc., one of t... Read More »

When does the Zocor patent expire?

The patent for Zocor, or simvastatin, expired on June 23, 2006. Zocor is a cholesterol-lowering drug made by pharmaceutical company Merck & Co., Inc. Lipitor, a drug that competes with Zocor, lose... Read More »