How long is a patent good for?

Answer According to the U.S. Patent Office and Trademark Office, a patent generally lasts 20 years from the date that the application was filed, though extensions are sometimes available. A patent exclude... Read More »

Top Q&A For: How long is a patent good for

How long is a patent good?

A patent is generally good for 20 years. The time period starts when you first submit the paperwork for the patent. It takes approximately two years for the patent to get approved.Source:Business A... Read More »

How long does an international patent last?

Generally patents last 20 years whether they are international or domestic but that span can vary depending on the nature of the patent. Design patents, for instance, last only 14 years from the da... Read More »

How long does a patent on meds last?

According to the Food and Drug Administration, most patents on prescription meds last 20 years. After the patent's expiration, companies other than the original drug developers may manufacture and ... Read More »

How long does a pharmaceutical patent last?

Pharmaceutical patents last 20 years from the moment the drug was invented. During this time, no generic copycat drugs can be made. The trouble for drug companies is that it can take eight years or... Read More »