In previous blog posts, I’ve discussed patent maintenance fees and patent term adjustment, both of which may affect how long a patent may remain in force after issuance. In my experience, people seem to forget that not every patent survives up to its life expentancy due the failure of the patent holder to pay maintenance… Continue reading How Many Patents Are Currently Alive?
A patent is valid for twenty years after its filing date (plus any patent term adjustment granted as a result of USPTO delays, of course). However, a patent will expire before its twenty years are up if the patent owner fails to pay maintenance fees. When speaking with my clients, all of them exhibit awareness… Continue reading Patent Maintenance Fees