When will the imitrex patent expire?

Answer 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 »

Top Q&A For: When will the imitrex patent expire

When does the Imitrex patent expire?

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 »

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 »

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 lipitor patent expire?

The patent on Lipitor (atorvastatin calcium) expires in June 2011. Lipitor is a leading cholesterol-cutting drug. Its maker is Pfizer Inc., one of the world's largest pharmaceutical companies. T... Read More »