SkyKick UK Ltd and another (Appellants) v Sky Ltd and others (Respondents)
Background of the Case
In Sky Ltd and others v. SkyKick UK Ltd and others, the UK Supreme Court addressed a significant question in trademark law: can a registered trademark be invalidated, either in whole or in part, on grounds of “bad faith” if the applicant did not have a genuine intention to use the mark for some or all of the goods and services listed at the time of filing?
Sky Ltd, the world famous brand and owner of multiple trademarks incorporating the word “Sky,” sought to enforce its marks against SkyKick, a software company using “SkyKick” in its branding. Sky argued that SkyKick’s use of the term infringed on their rights due to similarity in the marks and services, while SkyKick defended itself by challenging the validity of Sky’s broad trademark registrations, claiming they were overly expansive and applied without genuine intent to use the mark across all listed goods and services.
Central Legal Question
The court had to decide whether “bad faith” could invalidate a trademark registration if the applicant did not, at the time of application, have a bona fide intention to use the mark across all categories it listed. SkyKick argued that Sky’s registration for such a wide range of goods and services went beyond its legitimate business interests, constituting a misuse of the trademark system to block or deter other market entrants.
Analysis of “Bad Faith” in Trademark Law
The court examined the concept of “bad faith” under both UK and EU trademark law, interpreting it as behavior that deviates from acceptable commercial standards. “Bad faith” in this context applies if a trademark application is made not to protect a legitimate commercial interest, but rather to secure an overly broad monopoly that the applicant has no intent to actually use. This principle ensures that trademarks are not used as anti-competitive tools by overextending protections beyond a business’s genuine needs.
In this case, SkyKick’s defense suggested that Sky’s trademark applications were intended to monopolise the term “Sky” across various markets in which it had no business activity or plans. By applying for trademarks in areas unrelated to its business, Sky could prevent others from using similar terms in unrelated fields, thereby blocking competition unfairly.
The Court’s Findings
- Genuine Intention to Use Requirement: The court held that while a trademark applicant does not need to demonstrate immediate use in each category, there should be a reasonable expectation of genuine commercial use for all goods and services covered by the registration. Without this intention, the registration could be partially invalidated to prevent an undue extension of trademark rights.
- Grounds for Invalidation on Bad Faith: The court determined that an applicant’s lack of intent to use the trademark in certain categories could indeed constitute “bad faith,” justifying invalidation. However, instead of invalidating the entire trademark, the court allowed for partial invalidation. Thus, if parts of Sky’s registration covered categories where they had no genuine interest, those specific parts could be removed while preserving the rest of the registration where legitimate intent existed.
- Partial Invalidation and Scope of Trademark Rights: The court’s decision clarified that trademarks could be partly invalidated if filed in bad faith, narrowing the scope of protection to cover only goods/services where there was a genuine intent to use. This partial invalidation respects the balance between fair competition and legitimate brand protection by removing unjustified claims over unrelated goods and services.
Implications for Trademark Strategy
This ruling limits companies from adopting overly broad trademark protections without legitimate commercial justification. Applicants are now incentivised to register trademarks narrowly and thoughtfully, covering only those goods and services directly related to their business intentions. Overly broad applications without true intent may now be scrutinised as an abuse of the trademark system, with the risk of invalidation for specific classes.
For Future Trademark Applicants:
- Avoid overly broad listings that do not align with your business activities or intended commercial use.
- Be prepared to demonstrate a reasonable intention to use the mark for each specified class in case of future challenges.
- Strategic Narrowing: Focus trademark applications on goods and services directly relevant to your business to avoid claims of bad faith.
Conclusion
The Sky v. SkyKick decision underscores the importance of genuine commercial intent in trademark registrations. By establishing partial invalidation for bad faith filings, the court has taken steps to prevent trademark applications from being used as defensive tools to unfairly block competition across unrelated markets. This judgement promotes fairer competition by ensuring trademark protections align with actual business intentions, keeping trademark law balanced and accessible for genuine market participants.
Michael Coyle is a Solicitor Advocate and can be contacted at michael.coyle@lawdit.co.uk


