UK intellectual property enforcement is tightening. Courts are applying stricter procedural standards to infringement claims, and rights holders who rely on outdated filing or litigation strategies risk losing enforceable positions they believed were secure.
Recent shifts in UK court practice have raised the procedural bar for IP registration and infringement claim proceedings, with changes taking effect progressively from early 2025. International businesses holding UK trademarks, registered designs, or copyright-protected works are directly affected. Companies that have not reviewed their IP portfolio and enforcement readiness since the post-Brexit transition period face the greatest exposure.
This alert identifies what has changed, which business categories must act, and the concrete steps required to protect rights under the current conditions in the United Kingdom.
What has changed in UK IP enforcement practice
UK intellectual property legislation – covering trademark application, registered design, and copyright enforcement – has always been anchored in the common law tradition. Since 2025, however, the Intellectual Property Enterprise Court (IPEC) and the High Court (Patents Court and Chancery Division) have implemented tighter case management directions.
Several shifts are now consolidated in practice. First, the threshold for obtaining interim injunctions in IP disputes has become more demanding. Courts require applicants to demonstrate a stronger prima facie case at the interlocutory stage. A rights holder who cannot produce clear evidence of commercial use risks having relief refused at the very first hearing.
Second, the treatment of Nice classification (the international system used to classify goods and services in trademark application filings) has attracted closer judicial scrutiny. The UK Intellectual Property Office and courts are examining whether specifications filed under broad Nice classification headings are actually supported by genuine use. Overly wide specifications are increasingly vulnerable to partial or full revocation.
Third, opposition proceedings before the UKIPO have seen procedural reforms. Deadlines for filing evidence rounds are now applied with reduced tolerance for extensions. A party that misses an evidence deadline without a compelling procedural reason may find its opposition or defence struck out.
Fourth, enforcement actions that involve online infringement. particularly where platforms, marketplaces. Alternatively. Domain operators are respondents. now require claimants to demonstrate prior notice and a documented takedown attempt before the court will grant broader injunctive relief. This affects e-commerce rights holders significantly.
Fifth, the Supreme Court has in recent decisions clarified the scope of accessory liability for IP infringement. Businesses that distribute, host, or aggregate third-party content bear a higher burden of demonstrating they took reasonable steps once on notice of infringing material.
For businesses operating across both UK and EU markets, it is important to note that UK IP registration is now entirely separate from EU-wide protection. A European Union Trade Mark (EUTM) or registered Community design no longer covers the United Kingdom. Parallel UK filings are required, and the timelines for UK IP registration differ from those applicable in EU member states.
For international companies with AI-generated or technology-driven content, IP rights over such material remain contested under UK intellectual property legislation. Practitioners should be aware that the AI law environment in the United Kingdom directly intersects with IP ownership questions for algorithmically produced works.
To receive an expert assessment of your IP enforcement position in the United Kingdom, contact us at info@ferrazwhitmore.com.
Which businesses are affected and what to do now
The developments above affect a defined set of business categories. International companies must assess whether they fall within one or more of the following groups.
Trademark holders with broad specifications. Any company holding a UK trademark application or registration filed under wide Nice classification headings. particularly where commercial use has not been actively documented. should conduct an urgent use audit. Failure to demonstrate genuine use within the required period exposes the mark to revocation.
Rights holders pursuing online infringement claims. Businesses with e-commerce or content distribution models that have experienced platform-level copying or counterfeiting must ensure their notice-and-takedown records are complete and timestamped before initiating proceedings.
Companies in opposition proceedings. Any party currently engaged in opposition proceedings before the UKIPO should verify all upcoming evidence deadlines immediately. Extensions are no longer routinely granted.
Businesses that rely on pre-Brexit EU IP registrations. Companies that registered trademarks or designs as EU-wide rights before the UK's departure from the EU and have not reviewed their UK comparable rights should do so without delay. Companies House records and corporate name protection do not substitute for IP registration and confer no trademark rights.
Technology and AI companies. Businesses developing or commercialising AI-generated output, software, or data compilations should obtain a clear assessment of what IP protection is available and how it is maintained under the current regime.
The immediate action items for all affected businesses are as follows.
- Audit all UK trademark and design registrations for specification breadth and use evidence sufficiency.
- Review any pending or anticipated opposition proceedings for upcoming UKIPO evidence deadlines.
- Document all notice-and-takedown correspondence with platforms and marketplaces before filing any infringement claim.
- Confirm that EU IP rights have UK equivalent filings and that those filings remain in force.
- Assess AI-generated or technology-derived content portfolios for protectability under current UK intellectual property legislation.
A compliance review of this kind is not optional for businesses with material UK market exposure. Rights that are not actively maintained and enforced under the current court standards can be lost entirely – and rebuilding an IP position from scratch is substantially more expensive than protecting one.
Companies that operate across the UK and Portugal or other European markets should also review our alert on IP enforcement developments in Portugal to understand where parallel exposures may arise.
For a tailored strategy on IP enforcement compliance in the United Kingdom, reach out to info@ferrazwhitmore.com.
About Ferraz & Whitmore
Ferraz & Whitmore is an international law firm based in Lisbon, advising business clients across 46 jurisdictions. Our intellectual property practice covers trademark application, IP registration strategy, opposition proceedings, and infringement claim management across both civil law and common law systems. We advise technology companies, international brand owners, and institutional investors who need results-oriented IP counsel in the United Kingdom and across 15 practice areas. The firm's Lisbon base provides direct access to Portuguese and EU regulatory conditions, while our common law expertise supports enforcement strategies before the UK courts and the UKIPO. Our IP team includes practitioners with experience before the High Court, IPEC, and in multi-jurisdictional enforcement proceedings. To discuss your IP exposure in the United Kingdom, contact us at info@ferrazwhitmore.com.
Disclaimer: This publication is provided for informational purposes only and does not constitute legal advice. The information herein should not be relied upon as a substitute for professional legal counsel tailored to your specific circumstances. Ferraz & Whitmore assumes no liability for actions taken or not taken based on the contents of this material. For advice regarding your particular situation, please contact info@ferrazwhitmore.com.