Conversation so far:
What did Peter Sutcliffe appeal?
An application by Peter Sutcliffe for a minimum term to be set, offering the possibility of parole , was heard by the High Court of Justice on 16 July 2010.
Are there any other interesting aspects about the Peter Sutcliffe article?
Despite being found sane at his trial, Peter Sutcliffe was diagnosed with paranoid schizophrenia. Attempts to send him to a secure psychiatric unit were blocked.
Was Peter's Stutcliffe's appeal successful?
The High Court decided that Peter Sutcliffe will never be released.

Question: When was this decided?
Self-contained rewrite: When was Peter Sutcliffe's appeal decided?