Two kinds of patent licensing agreements

. . .

  1. Kind A. Samsung's third agreement to prevent future litigation risks (Ericsson, Google, and now Cisco; emphasis being deal "gives the two companies access to each other's existing patent portfolios as well as those filed over the next 10 years").

  2. Kind B. hTC settled with Nokia (hTC needs to get its products onto the market).

  3. As explained by Ben Thompson on Vector 29, cross licensing is not just about litigation, it is how you keep costs down. (talking about the Google-Lenovo deal on Motorola. Even though Google keeps the patents, Lenovo will be able to cross-license them out of the deal).