An attorney, licensed in the jurisdiction where the case is pending, may represent you in a civil matter, or you may represent yourself. A third-party who is not a licensed attorney in that jurisdiction generally may not. However, some courts do allow "pro hac vice" admissions, which permit, upon application to the court, an out of state attorney to represent a person in the subject case.
For the most part, corporations must be represented by licensed attorneys. An exception to this rule sometimes exists with respect to small claims court such that an owner or manager may represent the corporation. The rules of court of the applicable jurisdiction should be consulted.
be sued in court for copyright infringement
yes
SU is the code for Aeroflot the national carrier of Russia.
Bankruptcy is altogether different than criminal settlements
Generally, it means you are required to appear at a court hearing. You are either being sued by someone, or you have knowledge and/or evidence that you need to present to the court.
The documents of summons is needed when someone needs to attend a court hearing for being sued, or being summoned as a juror, or a defendant of a crime.
Yes, they can.
no
arrainged, sued
You don't get sued through the mail. You get served through the mail. That is, the service is a notification that you are being sued and will give you a date to appear in court. You get sued in court.
Any, and all, paperwork you can find that deals with the subject you're being sued over. If you are being sued and taken to your second court appearance and yet, you are asking on this venue what you need to bring - YOU REALLY NEED THE ADVICE OF AN ATTORNEY.
Yes, but you have to file listing ALL your debts, not just the one you are being sued for.