There are no state versions of copyright law. It is created, amended, and enforced at the federal level.
It is something that can be enforced through legal means if necessary, and fraudulent breach of copyright is a criminal offense in many countries.
IP Australia.
Short phrases do not qualify for copyright protection. There have been three trademark registrations for "love conquers all," but they are no longer enforced.
Copyright regulations ACT 1969 (Commonwealth of Australia)
Copyright Amendment Act 2006.
Although the Aldrete score was formally registered with the Copyright Office in 2004, ten years after it was first published, it does not appear that Dr. Aldrete has enforced that copyright in any way.
In Australia, protection exists for the life of the creator plus 70 years.
Protection is free and automatic; neither registration nor notification is required, and in fact Australia has no national copyright registration. Further details are available at the site linked below.
Many countries happened to update their copyright laws in 1912, so Copyright Act 1912 may refer to laws in Australia, the Netherlands and its territories at the time, and others.
To sell for money yes because of copyright, but Nintendo and Game Freak haven't really enforced it because there are many hacks on Ebay.
For the most part, they like them, because copyright laws are what allows record companies to monetize the content they produce. They do have concerns about how well the law is enforced, and do sometimes lobby for greater punishment for frequent uploaders.