In transactions, licenses are usually granted by a company that wishes to grant rights to another company for a fee. Normally, these rights consist of making, selling or using something that your company owns. In the United Kingdom, prisoners who serve a certain sentence (a firm time in prison) are released «under licence» before the completion of their full sentence.  The license is the prisoner`s agreement to maintain certain conditions, such as. B regular reporting to a probation officer and to a single authorized address, in exchange for early release. If they violate the conditions of the licence, they can be «recalled» (taken back to prison).   These are usually the most complex types of licensing agreements, as everything is related to obtaining and maintaining a patent.