Would love to be a fly on the wall for these negotiations.
"The deadline to respond to the renewal is the end of this year," Aldo Liguori, Sony Ericsson's corporate vice-president and head of global communications, told reporters on the final day of the $4.5 million Tour Championships.
"We still have a little bit of time left. I can certainly confirm we are looking at it very carefully. We are looking at our sponsorship seriously.
"We haven't made any decision yet, and all options are open. We will announce the decision alongside our partner at the appropriate time. That's all that I can say today because as of today we've not made any decision."