What common law concerning the Maori has been the subject of New Zealand foreshore and seabed controversy?
New Zealand foreshore and seabed controversy:  It concerns the ownership of the country's foreshore and seabed, with many Māori groups claiming that Māori have a rightful claim to title. Aboriginal title: Aboriginal title is a common law doctrine that the land rights of indigenous peoples to customary tenure persist after the assumption of sovereignty under settler colonialism.
Aboriginal title