
The deal signed by Google and Cisco will protect the two tech giants from unnecessary patent lawsuits against each other in the future by allowing cross-licensing. It will also allow them to pay to use each other's patents. Google has also struck a similar deal with Samsung.
Background:
Cisco, Google sign patent agreement [Reuters]
Cisco, Google Enter Into Long-Term Patent Agreement [eWeek]
Google and Cisco enter cross-license deal, call for end to patent trolling [GigaOm]