Rule 15(c) determines when an amended pleading relates back to the date of the original filing. Rule 15(c)(1)(C)(ii) requires that, within 120 days of filing, the later-named defendant "knew or should have known that the action would have been brought against it, but for a mistake concerning the proper party's identity." The plaintiff in Krupski v. Costa Crocie ...
Rule 15(c) determines when an amended pleading relates back to the date of the original filing. Rule 15(c)(1)(C)(ii) requires that, within 120 days of filing, the later-named defendant “knew or should have known that the action would have been brought…