The Impact of the Nice Agreement on Global Trademark Registration

When a business registers a trademark, one of the first questions it faces is: what exactly are you protecting, and where? A pharmaceutical company and a clothing brand can both use the same word as their mark without conflict – because they operate in entirely different categories of goods. This seemingly simple idea is the foundation of the Nice Agreement Concerning the International Classification of Goods and Services for the Purposes of the Registration of Marks – a treaty that has fundamentally shaped how trademarks are registered across the world. For law students and IP practitioners in India, understanding this Agreement is not just academic; it is central to how trademark law actually works in practice.

The origin of the Nice Agreement 🔗

Before 1957, countries used their own national systems to classify goods and services for trademark registration. The result was predictable: different countries grouped products differently, creating inconsistencies that made international trademark protection a cumbersome and error-prone process. Recognising the need for a unified framework, representatives from several countries convened in Nice, France. On June 15, 1957, they concluded the Nice Agreement, which came into force on April 8, 1961.

The Agreement was not built from scratch. It drew upon a classification system prepared in 1935 by the United International Bureaux for the Protection of Intellectual Property (BIRPI), the predecessor to today’s World Intellectual Property Organization (WIPO). That original system covered 34 classes of goods. Under the Nice Agreement, it was expanded and eventually grew into the 45-class system used today. The Agreement has since been revised at Stockholm (1967), at Geneva (1977), and further amended in 1979.

How the classification system is structured 🔗

The Nice Classification (NCL) organises all goods and services into 45 classes. Classes 1 through 34 cover goods – ranging from chemicals (Class 1) to clothing (Class 25) to tobacco products (Class 34). Classes 35 through 45 cover services – from advertising and business management (Class 35) to legal services (Class 45). Each class has a class heading that broadly describes the field it covers, supported by explanatory notes and an alphabetical list of specific goods or services for precise identification.

The purpose of grouping like goods or services together in a single class is to provide clarity in trademark searching and registration. When a trademark application is filed, the applicant must identify every good or service the mark will cover and assign each one to its correct class. A mark is then registered and protected specifically within those classes. This class-based protection is why, for instance, “Apple” can coexist as a trademark for both computers (Class 9) and a record label (Class 41) – the categories are distinct.

Who administers the Nice Classification and how it is updated 🔗

The Nice Classification is administered by WIPO through a body called the Committee of Experts, in which every country party to the Agreement is represented. This Committee meets annually to review proposals for changes – including additions of new goods or services, deletions of outdated ones, and transfers of items between classes. Any member state can submit proposals, which are discussed in an electronic forum on the WIPO website before being voted on at the annual meeting.

Historically, a new edition of the Classification was published every five years. Since 2013, however, WIPO publishes annual versions electronically. From January 1, 2023 onward, full new editions are released every three years, with annual versions in between. The most recent edition – the Thirteenth Edition (NCL 13-2026) – came into effect on January 1, 2026, bringing modifications to several class headings to better align them with current commercial and technological realities. Existing registrations made before that date are not reclassified; only new applications must conform to the latest edition.

This regular revision process is one of the Agreement’s most important design features. Technology has dramatically altered what goods and services exist. Software, cloud computing services, NFTs, and biotechnology products are contemporary categories that the drafters of the 1957 Agreement could not have anticipated. The Committee of Experts provides a formal mechanism for the Classification to evolve alongside the marketplace.

Global reach and mandatory application 🔗

The Nice Agreement currently has over 150 member countries, making it one of the most widely adopted IP treaties in the world. Beyond formal member states, numerous non-member countries, regional IP organisations, and WIPO’s own International Bureau also apply the Nice Classification voluntarily. Crucially, use of the Nice Classification is mandatory – not optional – for all countries party to the Agreement. These countries must apply it in official trademark registration documents and publications.

The Classification also serves as the backbone of international trademark systems. Major regional bodies including the European Union Intellectual Property Office (EUIPO), the African Intellectual Property Organization (OAPI), the African Regional Intellectual Property Organization (ARIPO), and the Benelux Office for Intellectual Property (BOIP) all use the Nice Classification. Applications filed under the Madrid System – WIPO’s international trademark registration mechanism – are also classified using the Nice system. This creates a genuinely harmonised global framework: the same classification terminology applies whether a business is filing in Tokyo, Paris, or New Delhi.

The Nice Agreement and trademark registration in India 🔗

India follows the Nice Classification system for all trademark registrations under the Trade Marks Act, 1999. The Office of the Controller General of Patents, Designs and Trade Marks (CGPDTM) – which operates trademark registries in Mumbai, Delhi, Kolkata, Chennai, and Ahmedabad – administers the process and applies the Nice Classification for organising goods and services in trademark applications.

India adopted the Nice Classification through its Trade Marks Rules, most significantly through the Trade Marks (Amendment) Rules, 2010, which brought India’s classification in line with the Ninth Edition of the NCL and formally added Classes 43, 44, and 45 as separate service classes. Prior to 2010, all services now falling under Classes 43, 44, and 45 were registered under the consolidated Class 42. The Thirteenth Edition (NCL 13-2026) is now in effect for applications filed from January 1, 2026 – meaning Indian applicants and trademark attorneys must review whether any goods or services in their pending or proposed applications have been reclassified under the new edition.

For Indian businesses seeking to expand internationally, the Nice Classification provides a practical advantage. Since the same classification system is used across most of the world, a company that correctly classifies its goods under Class 25 (clothing) in India can file the same classification in over 150 other countries – reducing research time, translation difficulties, and the risk of misclassification. Filing under the wrong class in India, just as anywhere else, can lead to rejection of the application or gaps in protection.

Practical significance for trademark searches and brand protection 🔗

Beyond filing, the Nice Classification plays a critical role in trademark searches. Before applying for a trademark, applicants and their attorneys search existing registrations to check for conflicts – that is, to identify marks that are identical or confusingly similar within the same class. The class-based structure of the NCL makes this search manageable. Without it, searching across all possible goods and services in every country would be practically impossible.

The Classification also shapes the legal scope of trademark protection. A registered mark is protected only within the classes under which it is registered. If a business expands into new product lines or service categories, it must file new applications for the additional classes. This has significant implications: a startup that registers its brand only under one or two classes may find itself unprotected if it later diversifies. Sound trademark strategy, therefore, requires anticipating future business activities and registering across relevant classes from the outset.

Different jurisdictions also interpret class headings differently, which adds a layer of complexity. Courts in Germany have historically treated class headings as exhaustive, while the United Kingdom has viewed them as descriptive of a broader field. The Court of Justice of the European Union’s landmark ruling in the IP Translator case clarified how class headings should be interpreted within the EU, influencing practice across several jurisdictions. Indian trademark examiners and courts apply their own interpretation in line with national rules, but the underlying framework remains the Nice Classification.

Limitations and criticisms of the system 🔗

The Nice Classification is not without its critics. Because the system was designed as an administrative tool – to organise trademark offices’ work – and not as a legal document defining the scope of protection, there has been persistent debate about how much weight class headings should carry in determining what a trademark actually covers. Some jurisdictions, including Canada, do not use international class numbers in their trademark filing or opposition proceedings at all.

Additionally, rapidly evolving sectors – particularly digital technology, artificial intelligence, and blockchain-based goods and services – create classification challenges. A software application that provides financial services, healthcare monitoring, and entertainment simultaneously may span multiple classes, requiring the applicant to file and pay fees in each. As the Committee of Experts continues to refine the system, the pace of technological change will remain a constant pressure on the Classification’s ability to stay current.

The Nice Agreement’s enduring relevance 🔗

Despite these challenges, the Nice Agreement’s contribution to global trademark law is undeniable. By establishing a common language for classifying goods and services, it has made international trademark protection significantly more accessible to businesses of all sizes. An Indian startup launching globally no longer needs to navigate 150 different national classification systems – it files in one standardised framework and can leverage that work across virtually every major market. The agreement’s regular updating process ensures it reflects contemporary commercial reality rather than the economic landscape of 1957.

For students of intellectual property law, the Nice Agreement illustrates a broader principle: that effective IP protection requires not just strong national laws, but international coordination. Classification is where that coordination begins – and the Nice Agreement is the foundation on which modern trademark registration is built.

What do you think? Given that the Nice Classification is regularly updated to include new goods and services, should there be a faster or more flexible mechanism to address emerging technologies like AI-generated products or decentralised digital assets – or does frequent revision risk creating instability in trademark protection? And with India adopting each new edition of the Nice Classification, how should Indian businesses proactively manage the risk of their existing trademark filings becoming misclassified under a new edition?

References

1. https://www.wipo.int/classifications/nice/en/preface.html
2. https://www.wipo.int/en/web/classification-nice
3. https://ssrana.in/ip-laws/trademarks-in-india/trademark-classes-india/
4. https://www.lexology.com/library/detail.aspx?g=be248eee-6cac-48d0-8ece-f476fcd43071
5. https://www.granthaalayahpublication.org/Arts-Journal/ShodhKosh/article/download/2675/2463/17225
6. https://www.federalregister.gov/documents/2025/10/02/2025-19358/international-trademark-classification-changes