"Nick has been trying, privately, to do everything he can to see Bobbi Kristina cooperatively," his Atlanta lawyer Randy Kessler tells PEOPLE. "He has respected the family's wishes and for that reason alone has not returned to the hospital and risked a public confrontation."
Kessler added: "But he desperately wants to be with the one he loves and continues to hope that his request will be granted."
She has repeatedly referred to Gordon as her husband over the past year, yet Brown family members deny they were legally wed.
Police in Roswell, Georgia, have launched a criminal investigation into the case. Reports have claimed that Gordon is at the center of the investigation, with a family source telling PEOPLE that they were looking into "foul play."