Dako, an Agilent Technologies (A) company, announced today it has entered into a collaboration agreement with Pfizer (PFE) in the field of companion diagnostics. The agreement constitutes a legal framework for various collaboration projects between the two companies, covering research, development and commercialization as well as advisory services. Financial terms of the agreement were not disclosed. This news follows an earlier announcement from Dako introducing a master framework agreement between Dako and Eli Lilly (LLY).