Following is the timeline of the patent case in India.
1997 : Novartis files a patent application in India for its drug Gilvec
2005 : India introduces the Indian Patent Act preventing frivolous patents.
Jan 2006 : The Patent Controller in Chennai denies Novartis a patent
May 2006 : Novartis challenges the Indian government and four other companies in the Madras High Court
Aug 2007 : The Madras High Court rules against Novartis’ case
June 2009 : The Intellectual Property Appellate Board rejects a fresh appeal
August 2009 : Novartis approaches the Supreme Court of India
April 1, 2013 : Supreme Court rejects Novartis’ plea for patent