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Am going to mention this and I will observe up with you in another layout. You must insure that they're no longer using your call, and many others. as you can see here And simply riding site visitors through capturing what you would have already. I suppose you may be missing some thing crucial.

You could inadvertently block /brand/ altogether. Just because you use a // doesn't mean Google follows the same rules when crawling.

Hi Nakul, Maybe the initial post was not explicit enough: we will obviously redirect (301) all the old URLs. And to make sure we won't mess it up with the redirections, we want to update the new product URLs littl by little, product area by product area. Which means that during this "transition" period, some product URLs will have the old structure, some others will have the new URL structure (both are given above) and the question is: does Google matter about the coherence of (product pages) URLs in the same website?

Hello Pedro, I think you are making a very wise decision. If you have already been throttled by Panda this could be what you need to bring the site out of it. If not, this could be what you need to save you from a future update. In fact, Matt Cutts recently answered a question about this sort of thing: http://www.youtube.com/watch?v=adocBLGQoYE Note: The question is about "no results" pages but he discusses similar scenarios as well. These sort of "stub pages" have been a thorn in Google's side for many years, and rest assured they will continue to find ways of keeping them out of the index - including punishing the good content on sites that use them. As Infant Raj mentioned below, be sure the URLs return a 404 status code in the http header, which will ensure more prompt removal from the index than if they were to redirect or show a 200 status code. I'd ignore the first paragraph in his answer though.