LD&D Australia Pty Ltd v the a2 Milk Company Limited

The Federal Court of Australia heard a dispute between LD&D Australia Pty Ltd (the applicant) and the a2 Milk Company Limited (the respondent). The applicant sought to restrain the respondent from using the trademark "a2 MILK" in relation to milk products, alleging that the respondent's use of the mark infringed its own registered trademark "a2" for similar goods. The applicant also sought to prevent the respondent from passing off its products as those of the applicant.

The central legal issues before the Court were whether the respondent's use of the trademark "a2 MILK" infringed the applicant's registered trademark "a2", and whether the respondent had engaged in misleading or deceptive conduct or passed off its products as those of the applicant. Specifically, the Court had to consider the scope of the applicant's trademark registration and the likelihood of confusion among consumers given the similarity of the marks and the nature of the goods.

Justice Katrina Brown found that the applicant had not established a case for infringement or passing off. The Court reasoned that the applicant's trademark "a2" was descriptive of milk from cows that produce only the A2 beta-casein protein, and that the respondent's use of "a2 MILK" was a legitimate description of its own products. The Court concluded that there was no likelihood of consumers being confused into believing that the respondent's products originated from or were endorsed by the applicant, given the distinctiveness of the respondent's overall branding and the descriptive nature of the "a2" component in the context of milk. The application was dismissed.