Andrew Saint was found with a serious head injury, believed to have been sustained during an assault, after emergency services were called to an address in Pioneer Terrace, Bedlington, at about 7pm on Sunday, February 23.
The 64-year-old was taken to hospital with life-threatening injuries and remained there fro treatment before he died on March 13.
A 37-year-old man was arrested on the night of the incident but later released under investigation while a police investigation into the alleged assault was conducted.
Yesterday (Monday, August 3), he was re-arrested by police and charged with Andrew's murder.
James Rutherford, 37, of Pioneer Terrace, Bedlington, is due to appear before Bedlington Magistrates' Court today (Tuesday).
Detective Chief Inspector Ed Small, of Northumbria Police's Homicide and Major Enquiry Team, said: "We have been investigating exactly what has happened that night so we can establish what led to Andrew Saint suffering from what proved to be fatal injuries”.
"Those enquiries have led to Mr Rutherford being charged with murder and he has been remanded in custody to appear before the court today."This has been a very difficult time for Andrew's family who are understandably devastated by what has happened. Specially trained family liaison officers will offer them any support they need.
"Our enquiries will continue and we would ask that the public are mindful about the ongoing legal proceedings and respect the family's privacy at this time."
Anyone who wants to report information about the assault can call 101, quoting reference 910 23/02/20.