The phrase "copyright obtained" doesn't give any indication of who copyright might be assigned to.
Anyone who creates an original work is using copyright to protect it.
Generally, it can't. Copyright infringement might be said to hurt the rightsholder, but copyright itself is designed to avoid that.
This site might help: http://webdesign.about.com/od/copyright/a/aa081700a.htm
It depends on the type of information, and the extent and use of the copying. While some copying might be a violation of copyright law, privacy law, or other laws, in many cases you might not be breaking any law at all.
You commit an infringement under copyright law any time you use, without permission, someone elses protected work, providing that your useage does not qualify as "fair use" or another exception under current copyright law (i.e. right of first sale, etc)
You probably wouldn't want to copyright a product; you might want to trademark it, or (if it's revolutionary) apply for a patent.
We might learn, but we wouldn't remember.
copyright can get you into alot of trouble and if you get caught you might end up being in jail or get a fine, and its illegal to copy someones work.
It might be because of copyright violations. The image might be subject to copyright. You have to use your image only as the profile picture.
Arguably, legal boilerplate could be said not to have the element of creativity required for copyright protection. If you have specific concerns on this, it might be worth your time to contact an experienced copyright lawyer.
A copyright notice may be in the file's properties, in a separate "read me" or "about" file, or embedded in metadata. Notification is not required for protection.