Donald Sterling, an attorney and real estate investor, has early Alzheimer's or another brain disease, the doctors say.
But Donald Sterling and his attorneys dispute he's incapacitated.
Levanas is hearing evidence on whether Shelly Sterling acted properly when she removed her husband from the couple's trust.
The judge said he is not deciding on Donald Sterling's mental capacity. Rather, the judge is going to rule only on issues of the trust and whether its procedures were followed correctly.
Donald Sterling has said he believes the team may be worth twice the $2 billion price his wife has negotiated with ex-Microsoft CEO Steve Ballmer, said Maxwell Blecher, another attorney for Donald Sterling.