litigation based solely upon IP address evidence The applicable rule, in federal court, is Federal Rule of Civil Procedure 11. b) Representations to the Court

litigation based solely upon IP address evidence The applicable rule, in federal court, is Federal Rule of Civil Procedure 11. b) Representations to the Court. By presenting to the court a pleading, written motion, or other paper—whether by signing, filing, submitting, or later advocating it—an attorney or unrepresented party certifies that to the best of the person's knowledge, information, and belief, formed after an inquiry reasonable under the circumstances: If I get harassing phone calls from 911-867-6309 shouldn't I should be able to file suit and subpoena the phone company to discover who has the number? Sorry, but they have a reasonable basis to believe infringing is occuring, and a reasonable basis that it was done from the internet connection in your house. If you want to try to convince the jury that Colombian drug dealers hacked your wifi, knock yourself out.