I thought I'd post this since its in the news at-least in the world of beer. This happens often in any products but Rock Art Brewery is fighting this one. These can explain the situation better then I can.

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http://www.nytimes.com/aponline/2009...ight.html?_r=3

I think its crap that large corporations will bully little companies for a piece of the market thats not going to help them at all.