Global Trademark Developments: Key Regulatory and Legal Updates from March to April 2026

Argentina’s National Institute of Industrial Property (INPI) implemented new measures on 31 March 2026 aimed at simplifying the registration of technology transfer agreements and expediting trademark registrations. These reforms are designed to enhance procedural efficiency within Argentina’s intellectual property framework.

In a notable development for Latin America, Brazil became the 41st member state of the Madrid System to join the Madrid e-Filing service developed by the World Intellectual Property Organization (WIPO). This milestone marks Brazil as the first Latin American country to adopt the digital filing platform for international trademark registrations, facilitating streamlined cross-border trademark protection.

The Court of Justice of the European Union (CJEU) issued a significant ruling on 5 February 2026 in case C-337/22 concerning opposition proceedings under Article 8(4) of the European Union Trade Mark Regulation (EUTMR). The court clarified that the earlier trademark right invoked in opposition must be valid not only at the filing date of the contested application but also at the date when the European Union Intellectual Property Office (EUIPO) or its Board of Appeal issues its decision. This interpretation impacts the assessment of trademark oppositions within the EU.

Further strengthening enforcement efforts, the EUIPO and the European Commission signed a five-year agreement under the Digital Services Act (DSA) to intensify actions against online counterfeiting and piracy. This collaboration aims to enhance the protection of intellectual property rights in the digital environment across the European Union.

Hong Kong’s Intellectual Property Department (IPD) issued updated guidance on its E-Filing System covering trademarks, patents, and designs. The updates include new rules for the electronic service of documents, reflecting ongoing modernization of IP administrative procedures in the region.

In India, the Delhi High Court granted an interim injunction in favor of Waymo against P-Waymo Private Limited. The court restrained the Indian electric vehicle company from using the “Waymo” trademark after P-Waymo failed to appear despite proper service, underscoring judicial support for trademark enforcement in the Indian market.

On 12 March 2026, WIPO’s Director General announced revised individual fees applicable when Zambia is designated in an international trademark application or renewal under the Common Regulations of the Madrid Agreement and Protocol. This fee adjustment affects applicants seeking protection or renewal in Zambia through the Madrid System.

The Qatar Trademark Office confirmed on 29 March 2026 that all classes under the 2026 version of the 13th edition of the International Classification of Goods and Services for the Purposes of the Registration of Marks (Nice Classification) are now open for trademark registration, including the newly available Class 33. This update expands the scope for trademark applicants in Qatar.

The United Arab Emirates Ministry of Economy updated its online trademark filing system by removing the requirement to submit copies of registration or renewal certificates for certain post-registration actions. This change simplifies procedural requirements for trademark holders in the UAE.

Taiwan’s Intellectual Property Office (TIPO) announced on 24 March 2026 updated Taiwan-Japan Concordance Tables aligned with the 2026 version of the 13th edition of the Nice Classification. This update facilitates harmonized trademark classification between Taiwan and Japan.

The United States Patent and Trademark Office (USPTO) unveiled Class ACT on 19 March 2026, an artificial intelligence (AI) tool designed to automate trademark classification tasks. This innovation aims to improve efficiency and accuracy in trademark examination processes.

On 17 March 2026, WIPO launched the Artificial Intelligence Infrastructure Interchange (AIII), a new platform fostering expert dialogue on the intersection of intellectual property and artificial intelligence. This initiative supports global collaboration on emerging IP challenges related to AI technologies.

WIPO also initiated a survey seeking stakeholder views on whether designated offices under the Madrid System should be mandated to issue national or regional certificates of registration when granting protection or renewing international registrations. The survey aims to inform potential procedural reforms within the Madrid System.

Additional trademark-related discussions include Kazakhstan’s stance on three-dimensional gummy bear trademarks and complexities in determining priority dates for trademark applications filed post-Brexit. A notable trademark dispute involves Shenzhen Huajie Technology Co., Ltd. versus Shenzhen Leyibei Technology Co., Ltd. in the United States, highlighting ongoing litigation trends.

These developments collectively illustrate the dynamic and multifaceted nature of trademark law and administration worldwide as of early 2026, reflecting technological advancements, regulatory reforms, and judicial clarifications across jurisdictions.