It all depends on the nature of the competitors trademark. If the competitor has a generic descriptive name then why should they be able to prevent other people bidding for it. The classic is the term "Hoover". In the UK people buy a Dyson hoover, an Electrolux hoover, a Philips hoover. So when people are using the term hoover, they mean vacuum cleaner. Why shouldn't all hoover, I mean vacuum cleaner companies, be able to bid for it.

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