“A person infringes a registered trade mark if he uses in the course of trade a sign where because – (a) the sign is identical with the trade mark and is used in relation to goods or services similar to those for which the trade mark is registered, or (b) the sign is similar to the trade mark and is used in relation to goods or services similar to those for which the trade mark is registered, there exists a likelihood of confusion on the part of the public, which includes the likelihood of association with the trade mark.” (a) the sign is identical with the trade mark and is used in relation to goods or services similar to those for which the trade mark is registered, or (b) the sign is similar to the trade mark and is used in relation to goods or services similar to those for which the trade mark is registered, there exists a likelihood of confusion on the part of the public, which includes the likelihood of association with the trade mark.”
“… In assessing the likelihood of confusion arising from the use of a sign the court must consider the matter from the perspective of the average consumer of the goods or services in question and must take into account all the circumstances of that use that are likely to operate in that average consumer’s mind in considering the sign and the impression it is likely to make on him. The sign is not to be considered stripped of its context.” [34] All of this guidance makes clear that the matter must be assessed from the perspective of the average consumer. This court considered the characteristics of the average consumer at some length in [Interflora v Marks & Spencer]. The following general points emerge further to those set out above: (i) the average consumer is a hypothetical person or, as he has been called, a legal construct; he is a person who has been created to strike the right balance between the various competing interests including, on the one hand, the need to protect consumers and, on the other hand, the promotion of free trade in an openly competitive market, and also to provide a standard, defined in EU law, which national courts may then apply; (ii) the average consumer is not a statistical test; the national court must exercise its own judgment in accordance with the principle of proportionality and the principles explained by the Court of Justice to determine the perceptions of the average consumer in any given case in the light of all the circumstances; the test provides the court with a perspective from which to assess the particular question it has to decide; (iii) in a case involving ordinary goods and services, the court may be able to put itself in the position of the average consumer without requiring evidence from consumers, still less expert evidence or a consumer survey. In such a case, the judge can make up his or her own mind about the particular issue he or she has to decide in the absence of evidence and using his or her own common sense and experience of the world. A judge may nevertheless decide that it is necessary to have recourse to an expert’s opinion or a survey for the purpose of assisting the court to come to a conclusion as to whether there is a likelihood of deception; (iv) the issue of a trade mark’s distinctiveness is intimately tied to the scope of the protection to which it is entitled. So, in assessing an allegation of infringement under Article 5(1)(b) of the Directive arising from the use of a similar sign, the court must take into account the distinctiveness of the trade mark, and there will be a greater likelihood of confusion where the trade mark has a highly distinctive character either per se or as a result of the use which has been made of it. It follows that the court must necessarily have regard to the impact of the accused sign on the proportion of consumers to whom the trade mark is particularly distinctive; (v) if, having regard to the perceptions and expectations of the average consumer, the court concludes that a significant proportion of the relevant public is likely to be confused such as to warrant the intervention of the court, then it may properly find infringement.”
“A person infringes a registered trade mark if he uses in the course of trade, in relation to goods or services, a sign which is identical with or similar to the trade mark, where the trade mark has a reputation in the United Kingdom and the use of the sign, being without due cause, takes unfair advantage of, or is detrimental to, the distinctive character or the repute of the trade mark.”
“39. As regards detriment to the distinctive character of the mark, also referred to as ‘dilution’ ‘whittling away’ or ‘blurring’, such detriment is caused when that mark’s ability to identify the goods or services for which it is registered is weakened, since use of an identical or similar sign by a third party leads to dispersion of the identity and hold upon the public mind of the earlier mark. That is particularly the case when the mark, which at one time aroused immediate association with the goods or services for which it is registered, is no longer capable of doing so (see, to that effect, Intel Corporation, paragraph 29). … 41. As regards the concept of ‘taking unfair advantage of the distinctive character or the repute of the trade mark’, also referred to as ‘parasitism’ or ‘free-riding’, that concept relates not to the detriment caused to the mark but to the advantage taken by the third party as a result of the use of the identical or similar sign. It covers, in particular, cases where, by reason of a transfer of the image of the mark or of the characteristics which it projects to the goods identified by the identical or similar sign, there is clear exploitation on the coat-tails of the mark with a reputation. … 44. In order to determine whether the use of a sign takes unfair advantage of the distinctive character or the repute of the mark, it is necessary to undertake a global assessment, taking into account all factors relevant to the circumstances of the case, which include the strength of the mark’s reputation and the degree of distinctive character of the mark, the degree of similarity between the marks in issue and the nature and degree of proximity of the goods or services concerned… the stronger the mark’s distinctive character and reputation are, the easier it will be to accept that detriment has been caused to it.”
“The real distinction between the two lies in their causative effect, but is not a complete statement of the position… The more complete statement focuses on whether the conduct complained of is “really likely” to be damaging to the Claimant’s goodwill or divert trade from him. This emphasis on “really likely” echoes Lord Fraser in Advocaat[1980] RPC 31 at p 106 line 3. It is implicit in this test that if the conduct complained of is not “really likely” to be damaging then it will be mere confusion.”
“…a sign is identical with the trade mark where it reproduces, without any modification or addition, all the elements constituting the trade mark or where, viewed as a whole, it contains differences so insignificant that they may go unnoticed by an average consumer.”
“The longer the use complained of has gone on in parallel with use of the trade mark without such evidence emerging, however, the more significant it is. Other relevant factors are the scale of the use complained of and the likelihood of actual confusion being detected.”
“… is it on the balance of probabilities likely that, if the appellants were not restrained as they have been, a substantial number of members of the public will be misled into purchasing the defendants’ product in the belief that it is the respondents’ product?”