にしたところで・たところで: the difference
にしたところでN1
Meaning
Even, Even for, Even from the perspective of, Even in the case of
Past papers
Example
誰にでも欠点はある。完璧な田中さんとしたって同じだ。
Everyone has faults. It is the case even for the perfect Tanaka.
たところでN1
Meaning
Even if ~ cannot or will not, Even though ~ not
Past papers
Tested once in past papers
Example
徹夜で勉強したところで、合格しない。
Even if I studied all night, I would not pass.
How to tell them apart
「〜にしたところで」: heavier and more negative than 「〜にしても」; 'it would be no use whoever it was'.
「〜たところで」: follows the た form and stresses that the action itself is pointless.