Brightgreen Pty Ltd v Enlighten Australia Pty Ltd

Brightgreen Pty Ltd (Brightgreen) and Enlighten Australia Pty Ltd (Enlighten) were parties to litigation before the Federal Court of Australia. The dispute concerned allegations by Brightgreen that Enlighten had infringed its registered trade mark, specifically the word mark "BRIGHTGREEN", through its use of the mark "ENLIGHTEN" in relation to lighting products. Brightgreen sought an injunction and damages for alleged trade mark infringement and passing off.

The primary legal issue before the court was whether Enlighten's use of the mark "ENLIGHTEN" in relation to lighting products constituted an infringement of Brightgreen's registered trade mark "BRIGHTGREEN". This involved a determination of whether the marks were deceptively similar, and if so, whether such use was likely to deceive or cause confusion among consumers as to the origin of the goods. A secondary issue concerned whether Enlighten's conduct amounted to passing off.

Justice McDonagh considered the principles of trade mark infringement, particularly the test for deceptive similarity, which requires an assessment of the overall impression of the marks, taking into account visual, aural, and conceptual similarities. His Honour found that while there were some conceptual similarities relating to light and brightness, the marks were visually and aurally distinct. The court concluded that the differences between "BRIGHTGREEN" and "ENLIGHTEN" were sufficient to prevent a likelihood of deception or confusion in the minds of the relevant consumers. Consequently, the claim for trade mark infringement failed. The claim for passing off was also dismissed, as the court found no evidence of misrepresentation or damage to Brightgreen's goodwill.