The 46-year-old singer is believed to have submitted documents to request he controls the estate left to his 22-year-old daughter when her mother Whitney Houston passed away in 2012, 11Alive reports.
Bobbi is currently being treated in a medical rehabilitation centre after being found unresponsive in a bathtub on January 31.
Meanwhile, Bobby's lawyer previously confirmed that doctors are currently unsure what kind of ''quality'' of life Bobbi Kristina will have.
In a statement, Christopher Brown said: ''Bobbi Kristina's condition has changed since moving from Emory University Hospital and there has been improvement. Doctors have indicated that she will have a long life.
''However, Bobbi Kristina is presently embarking on a rehabilitation process and the quality of her life will not be known for years to come.''
Whilst Bobby simply added: ''We thank everyone that supports Bobbi Kristina and God is hearing our prayers.''
Grandmother Cissy Houston has admitted she is praying for a ''miracle''.
She said: ''Meeting with the doctors and understanding that she can live in this condition for a lifetime truly saddens me. We can only trust in God for a miracle at this time. Keep us in your prayers.''
'Smalls Change (Meditations Upon Ageing)' arrives in April.
The two awards have made for a great 72nd birthday present for the country music icon.
Notorious British filmmaker Nick Broomfield teams up with Austrian music documentary producer Rudi Dolezal to...
Whitney Houston, the woman behind the 1992 number one hit cover of 'I Will Always...