Since copyright protection is instantaneous all that is needed is to fulfill two requirements. The work must be of sufficient originality to qualify and it must be fixed in a tangible medium perceptible by human senses or by machine.
If a work is published and it is not copyrighted any part, or all, of it may be copied and used by anyone with no obligation to the author. For further information see: http://www.copyright.gov/register/
Your work must have sufficient originality and be fixed in a tangible medium that is perceptible to either humans or machines.
Copyright protection is automatic; formalities cannot be required in any of the countries in the World Trade Organization.
In most countries (those that are signatories to Berne), you just need to create a work of sufficient originality and fix it in a tangible medium.
It can be. Notification is not required for protection.
Yes; because registration is not required, copyright protection is automatic.
Notification is not required for protection.
No; protection is automatic and registration is not required.
No; registration is not required for protection.
Originality is still required for copyright protection, regardless of the nature of the work.
Forms for copyright registration are available at the link below. Bear in mind registration is not required for protection.
No; in 1953, formal registration was required for protection.
Protection is automatic, and registration is not required.
No; notification is not required for protection.
In member countries of the World Trade Organization, copyright protection is automatic; registration is not required.
Copyright protection is required by the Constitution. The first US law was written in 1793.