"Sources close to the matter have stated that "Samsung has recently resumed working-level discussions with Apple and the key issue is how to dismiss all lawsuits. More time will be needed to fix terms of details such as royalty payments in return for using patents owned by each before reaching a full agreement."Apple and Samsung have Reportedly Resumed Working Level Discussions to End their Patent War - Patently Apple
Google has been consistent in helping Samsung over legal counseling, while promising to pay monetary damages. So with Google making peace with Apple, there may have been a signal to Samsung to end the patent infringement cases. Some think it could come to a close by the end of the summer and that it wouldn't necessarily have to agree on a comprehensive cross-license."