Distinctive domain names can support passing off protection when unauthorized use is likely to confuse users and divert business.

A distinctive domain name used in the course of trade can function as a business identifier and attract passing off protection where it has acquired goodwill and reputation. Unauthorized adoption of an identical or confusingly similar domain name may mislead users, divert business, and create deception as to source. On the facts described, prior use of the domain name and the established distinctiveness of "TATA" supported a finding of likely confusion, and the plaintiffs were granted injunctive relief with transfer of the impugned domain name; the defendant's registration and use were restrained.

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Issues: Whether the plaintiffs were entitled to injunctive relief and transfer of the impugned domain name on the ground that the defendant's use and registration amounted to passing off of the plaintiffs' trade name and domain name.

Analysis: A domain name may function not merely as an internet address but also as a business identifier and, in commercial use, may possess the characteristics of a trade mark. Where a domain name is distinctive and has acquired goodwill and reputation, unauthorized adoption of an identical or confusingly similar domain name can mislead users, divert business, and found an action for passing off. On the evidence, the plaintiffs were the prior user of the domain name, the word "TATA" had established distinctiveness and reputation, and the defendant's use of the impugned domain name was likely to cause confusion.

Conclusion: The plaintiffs were entitled to injunction and transfer of the impugned domain name, and the defendant's registration and use were restrained.

Ratio Decidendi: A distinctive domain name used in the course of business is protectable in passing off, and its unauthorized use by another may be restrained where it is likely to cause deception or confusion as to source.

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