Because formal registration is not required, it is often difficult to get complete information. In the US, records since 1978 are online at the link below, and certain disciplines (music, recording, film) have more functional databases as well, but none are complete.
An assignment should be registered where the original copyright was registered.
Yes, you can use the copyright symbol () even if your work is not registered. The symbol indicates that the work is protected by copyright law, whether it is registered or not.
If you're lucky, there will be a copyright notification printed on it somewhere. If you're not, you can only hope they formally registered it, and in a way that enables you to find it in the registry's database.
There are several entities by that name, but most are registered trademarks.
Registration predates copyright; prior to the Statute of Anne, books were registered with the Company of Stationers beginning in the 16th century.
Copyright is automatic, as soon as a work of sufficient originality is fixed in a tangible medium.
Aquacoir is protected by patent and trademark, not copyright. The trademark is registered to OMS Investments.
Words and short phrases do not qualify for copyright protection. Cheerios is a registered trademark.
The database of formal US registrations since 1978 is searchable at the link below.
Individual words do not qualify for copyright protection, and there is no trademark registered with that word.
Business names are not copyrightable; they can be registered as trademarks.
To find the copyright information for a movie, you can start by checking the film's credits, where copyright details are often listed. You can also search the U.S. Copyright Office's online database, which allows you to look up registered works by title or creator. Additionally, websites like IMDb may provide information about the copyright status. If the film was released internationally, consider checking the copyright databases of other countries as well.