There don’t seem to be any “irreconcilable differences” for Patricia Arquette and Thomas Jane.

Although Arquette, 40, filed for divorce in January from actor Jane, they’re still close pals—and possibly headed for a reconciliation.

A source tells Celebuzz that Jane held a belated 40th birthday bash for himself at Los Angeles nightspot Hwood on Friday, where Arquette happily attended in tow with her brother David and his wife Courteney Cox Arquette.

“Thomas was so doting,” the source says, “there were a ton of people at this party and it was obvious where his attentions were.”

Source