An internationally used classification system for goods and services, established by the World Intellectual Property Organization (WIPO). When filing a trademark application, you must use this classification to determine the classes of goods and/or services to be protected; it currently consists of Classes 01 to 45.

The trademark identification and classification system maintained by the United States Patent and Trademark Office (USPTO). It is built on the Nice Classification framework and refined in line with U.S. practice, providing official descriptions of goods and services and a reference list of acceptable entries.

The unified database maintained by the European Union Intellectual Property Office (EUIPO) for EU trade mark (EUTM) applications. It covers all Nice classes and EU-specific standardised descriptions of goods and services.

The trademark classification system developed by IP Australia, based on the Nice Classification and adapted to the local market. Applicants must select goods or services from the official “Pick List”.

An international classification system for figurative marks, organised by elements such as images, symbols, animals, plants and geometric shapes. It is mainly used for searching figurative trademarks and assessing similarity.

The international classification system for industrial designs, which groups products into classes according to their appearance and intended purpose. It facilitates design searches and the assessment of design ownership.