The boundaries permitting assisted suicide under Bill C-14 are deliberately narrow in scope - and exclude people suffering solely from a mental illness who aren't also grievously and terminally ill.
Adam Maier-Clayton believed the law was ambiguous, unconstitutional and discriminatory.
Convinced his condition was untreatable, he began a vocal campaign of media activism, arguing that Canada should follow the example of Belgium and the Netherlands.
In those countries, people who believe their lives have become intolerable because of severe mental illness can seek permission to receive lethal drugs with a doctor or nurse's help.
"Every Canadian deserves this right, the right to have the ability to terminate pain that is chronic, incurable," he told the Canadian Press in September last year.