Here are some examples that I think compare to ours:
http://preservationpittsburgh.org/documents/Preservation-Pittsburgh-Lawsuit-Press-Release.pdf
This one is the other way around: A church is not allowed to demolish in a historic district, and sues, but the court rules against the city:
http://www.a2gov.org/services/OtherServices/cityattorneysoffice/Documents/Canterbury.pdf
another one like that:
http://www.a2gov.org/services/OtherServices/cityattorneysoffice/Documents/Glen%20Ann%20Place.pdf
http://centexunfilterednews.blogspot.com/2011/07/belton-umhb-negotiating-demolition-of.html