When to renew
In the last year of validity, or within 6 months after expiration with an additional fee.
How to renew
Form DI-2 with proof of payment. Foreign applicants file through a registered representative.
What happens after 25 years
Protection ends definitively. The product may be freely reproduced by anyone.
Other areas
Have a question?
Send us a message. We reply within 24 hours on working days.
Related expert answers
Short expert answers on intellectual property, written by professionals in the Nexa network.
Browse all Topics →