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Trademark: someone is using my brand name or logo. What can I do?

Your options depend mainly on whether your mark is registered, what goods they use it on, and who used the mark first.

Infringement is less likely for unrelated goods without a reputation.

Moderate complexity - several routes or missing facts

  • Check whether customers are actually being confused - passing off may still apply.
  • Consider registering your mark in further classes you plan to expand into.
  • Watch the Trade Marks Journal and oppose any application they file within four months of its advertisement (section 21).

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The honest answer usually needs someone to look at your actual disclosure, your timeline and the prior art. That is a conversation, not an article.