I just got news from home office web-site. HSMP applicants who suffered unlawful from 4 year extension to 5 year will be refunded VISA application fee. Furthermore, you now can apply British Citizenship now if you have already been granted as “Indefinite Leave to Remain” For further details, please check the link as follow
http://www.ukba.homeoffice.gov.uk/workingintheuk/tier1/hsmp/hsmp-judicial-review-09/