A civil complaint refers to a legal document that begins a lawsuit. This is filed by the plaintiff and states the relevant facts and legal theories to support the claim against the defendant.
In federal court, the answer is no. I'm not aware of a notarization requirement for state court complaints, but state court rules could require it. In Pennsylvania state courts, a complaint needs to...
There is no such thing as mixing civil and criminal actions in the same court action. If criminal charges arise as a result of a civil case action they will be charged and prosecuted seperately from...
If someone sues you in civil court and you don't respond, then when the case is heard, and you fail to appear, you pretty much automatically lose the case 'by default.'.