When you register your trademark, you get the sole right to use the mark across Japan for 10 years beginning from the date of registration (except international registration). You can renew your trademark every 10 years after that. The Trademark Law does not require owner to demonstrate actual use of registered mark as a condition of renewal. A simple filing of renewal request and payment of renewal fee (JPY38,800 per class) is sufficient as long as it is filed within six months prior to expiry date. Even if you failed to file in a timely manner, your trademark is still recoverable until six months after the expire date by means of payment of double renewal fee.