Verb た form + ところで

[Even if... (it's useless/pointless)]

Connection: Verb た form + ところで

Usage: Expresses that even if one does something, it will be futile, useless, or the expected result will not occur. Conveys a pessimistic or resigned attitude that the action is pointless.

Examples:

今さら謝ったところで、許してもらえないだろう。(Even if you apologize now, you probably won't be forgiven.)

急いだところで、もう間に合わない。(Even if we hurry, we won't make it in time anymore.)

文句を言ったところで、何も変わらない。(Even if you complain, nothing will change.)