Stake a claim to - Idioms by The Free Dictionary
stake a claim to
stake a claim to someone or something
Fig. to state or record one's claim on someone or something. (Alludes to marking off an area by pounding in wooden stakes.) she staked a claim to Jeff and told all her rivals to stay away. The prospector staked a claim to the gold-rich area.
stake (out) a/your ˈclaim to somebody/something say that you have a special interest in somebody/something, or have a right to own something, especially to warn other people not to take it: Both countries have staked out a claim to the land.If you staked out your claim to some land, you put stakes (= wooden posts) in the ground to mark the limits of land that you claimed was yours.