You can log into CM/ECF system and make the changes yourself.Alternatively, you can submit a letter describing your change of name, address, telephone number, fax number, and/or e-mail address and applicable cases. The attorney's signature must be on the letter. The change would only apply to the U.S. District Court for the Eastern District of Pennsylvania. The letter can be faxed to (267) 299-7135. In the case of a name change, you'll need to include a copy of your marriage certificate or other documentation that supports the change.