Northamptonshire Police have charged a 43-year-old man with the manslaughter of Robert Gardner.
Robert Spearman, from Brixworth, is due to appear before Northampton Magistrates Court today.
Mr Gardner – who was also 43 – was assaulted in June and died at NGH a fortnght later.
Spearman had previously been arrested on suspicion of assaulting Mr Gardner and was released on police bail.
He was rearrested by Northamptonshire Police yesterday after medical evidence linked the alleged assault to Mr Gardner’s death more than two months earlier.