Wikipedia:Ownership of content

All Wikipedia pages and articles are edited collaboratively by the Wikipedian community of volunteer contributors. No one, no matter what has the right to act as if they are the owner of a particular article (or any part of it). Even a subject of an article, be that a person or organization, does not own the article or have any right to dictate what the article may or may not say. No one, whether a subject or an article creator, has a responsibility to maintain an article or can normally be held responsible for its content.

Some contributors feel possessive about the material they have contributed to Wikipedia. A few editors will even defend such material against others. It is quite reasonable to take an interest in an article on a topic you care about—perhaps you are an expert, or perhaps it is just your hobby; however, if this watchfulness starts to become possessiveness, then you are overdoing it. Believing that an article has an owner of this sort is a common mistake that people make on Wikipedia.