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It doesn't appear like you did much, besides change text-content and images, of http://themeforest.net/item/display-3-in-1-business-portfolio-html-theme/70576
If "Concept Feedback" had a terms of use, I assume there'd be something about, only supplying your own designs for critique.

yes this is based on a purchased template, but took hell of a effort to bring it here