The World Intellectual Property Organization (WIPO) has finalized the 13th edition of the Nice Classification, a global system used to categorize goods and services for trademark registration. Effective January 1, 2026, the update introduces significant changes across all 45 classes, requiring businesses to review and adjust their trademark strategies.
Several goods have been reclassified to better align with their intended purpose. For example, non-smart optical goods like glasses and contact lenses are now in Class 10 instead of Class 9, reflecting their medical applications. Essential oils are no longer exclusively in Class 3, with aromatherapy and medical uses now in Class 5. Electrically heated garments, previously in Class 11, are now in Class 25 as wearable apparel. Yoga-related items like blocks are now in Class 28 as athletic equipment, not Class 9.
The update also expands service classifications to reflect evolving market trends. Artificial intelligence (AI) is now recognized as a service (AIaaS) in Class 42, a critical update for tech-driven offerings. Airport lounges are classified under Class 43, likely due to the growing prevalence of premium credit card rewards programs that include this service.
The revised classification applies to all new trademark applications filed on or after January 1, 2026, in jurisdictions that have adopted the update. Many signatories to the relevant treaty will automatically implement the changes, ensuring broad adoption. International applications submitted to WIPO after this date will also fall under the new framework.
Trademark owners and applicants must proactively adjust their strategies to align with the revised classifications. Reviewing descriptions, updating filings, and monitoring for confusability are key steps. The changes may create new risks of trademark overlap, especially for similar marks in adjacent classes. For tech-focused brands, incorporating “AIaaS” in Class 42 filings is essential. Existing trademarks may require supplemental applications to cover this new classification.
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