Companion Diagnostics Market: Easing of Regulatory Policies to Drive Global Demand for Companion Diagnostics, reports TMR Due to the dominance of the top three players in the global companion diagnostics market, the nature of the market is highly oligopolistic, says Transparency Market Research in a new study. The leading companies operating in the market are focusing on protecting their patent rights to retain exclusivity. The top three companies in the companion diagnostics market are Roche Holdings followed by Qiagen N.V., and Agilent Technologies. Together they comprise approximately 80.4% of the overall global market in 2012. In order to rake in a greater share of revenues, many small and large players are competing to co-develop companion diagnostics by collaborating with pharmaceutical manufacturers. In this regard, companies are also seeking defensive patents for their technology, products, and tests to restrain other companies from the usage of their exclusive tests. Regulatory Changes to Ensure Adoption of Companion Diagnostics Companion diagnostics include two types of tests namely tests which are developed along with target drugs and the other developed after the commercialization of drugs. Companion diagnostics combined with targeted therapeutics are being seen as a major breakthrough in the personalized medicine field. Companies operating in the companion