Book excerpt: This report aims to provide patent based information on available technologies and patenting trends in the area of microalgae. It covers in detail patent applications and granted patents within the space of microalgae and has revealed several interesting facets of research and innovation related to that area. Expected to be the 3rd generation biofuels solution, microalgae have quickly been developed for the biofuel industry with a marked inflection point in 2006. Lipids and pigments, which are the second metabolites of interest, also developed early on, still continue to see a steady growth in recent years.