Typically, the source of the data controls the copyright. For example, when a journal search turns up an article from the Lancet, the Lancet still holds the copyright on the article.
Some data generated and/or collected by the federal government may not be subject to copyright. For example, geospacial data collected by NASA is not protected by copyright; however, a private company can arrange the data in a way that may be copyrightable.
The author, publisher and or the main source of the data Reference: Harvard referencing guide
Nobody owns the copyright of a single word. Perhaps you mean trademark.
the coca cola company owns the copyright
A minor owns the copyright on any works they create.
Universal.
Rankin/Bass.
Rondor Music.
Word Music.
Paramount.
There are 24 different copyright-protected items by that name.
The phrase "copyright obtained" doesn't give any indication of who copyright might be assigned to.
You can't. It is a right that the writer owns. You can offer to buy the copyright.