Renewing a Trademark
To maintain your trademark registration you need to file a Declaration of Use between the fifth and sixth year following registration, and after that, within the year before the end of every 10-year period after the date of registration. A six-month grace period after the end of the sixth or every tenth year can be granted if the owner pays an additional fee. Registrations and renewals approved PRIOR to November 16, 1989 have a 20-year term, and those granted on or after November 16, 1989 have a 10-year term. There is no limit set regarding the number of times that an owner can renew the registration of its trademark, as long as the owner continues to use the trademark in his commercial activities.