The social networking giant does not take the ownership of the content and information posted. The person who is posting and uploading is the rightful owner and the visibility depends on the privacy and application settings .
Facebook is granted, as per the privacy and application settings, non-exclusive, transferable, sub-licensable, royalty-free, worldwide license to use any content that is covered by Intellectual Property rights that you post in connection with Facebook. The condition is terminated once the content is deleted unless the content has been shared with others and they have not deleted it.
A person may contact the individual who has infringed copyright or trademark before complaining and filing out the form. A person having a Facebook account or a person having no Facebook account can also file copyright infringement. Report can be filed against third party made apps as Facebook does control the content made available through those apps.