International Niza Classification in Chile | Guide 2026

The International Niza Classification is an essential system for trademark registration, used worldwide to classify products and services. In this blog, we will explore what the Niza Classification is, its importance, how it works in Chile, and some practical tips for its application.

What Is the International Niza Classification?

The Niza Classification is a classification system that groups products and services into different classes. It was established by the Nice Agreement in 1957 and has been adopted by many countries, including Chile. It currently comprises 45 classes, where classes 1 to 34 refer to products and 35 to 45 to services.

You can consult the complete list of classes on the website of the World Intellectual Property Organization (WIPO)

Importance of the Niza Classification

Standardization
Facilitates trademark registration by providing a uniform system that is internationally recognized.
Clarity
Helps applicants clearly define the products and services they wish to protect, avoiding confusion.
Conflict Prevention
By classifying properly, the risk of conflicts with already registered trademarks is reduced.

How the Niza Classification Works in Chile

In Chile, the Niza Classification is used by the Instituto Nacional de Propiedad Industrial (INAPI) for trademark registration. When you submit a registration application, you must specify the class or classes under which you wish to protect your trademark.

Step by Step to Use the Niza Classification in Chile

Identify the Class: Before registering your trademark, review the classes of products and services. You can access the Niza Classification on the INAPI website.
Conduct a Search: Make sure there are no similar trademarks in the same class.
Complete the Application: When filling out the application form, make sure to include the correct class.
Submit Your Application: Send your application to INAPI with all the necessary documentation.

Practical Tips

Consult with an Expert: If you are not sure which class to choose, consider consulting us for help.
Review Regularly: The Niza Classification is updated periodically. We stay informed about any changes that may affect your registration.
Protect Your Trademark in Multiple Classes: If your business covers different products or services, consider registering your trademark in multiple classes for broader protection.