The valuation of patents is assessed with respect to complemental IP strategies such as trademarks, design patents and utility models. I elaborate a novel method and database to gauge the combination of IP strategies regarding the same innovative project, when the patenter pairs the patenting strategy with other formal IP mechanisms. In particular I analyze jointly the content of legal documents using textual matching algorithms, and I link them with estimates on the market value of patents and historical renewal fee costs. I find ample evidences that patent and trademark pairs have a large impact both on the patent asset value and the premium value of the IP protection, and they are disproportionally associated with breakthrough inventions...