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			 A ruling by a U.S. appeals court last month that allowed Indian firm 
			Dr. Reddy's Laboratories to sell its copy of the drug, Suboxone 
			Film, sent Indivior shares crashing more than 40 percent. 
 A preliminary injunction in a U.S. court against Dr. Reddy's will 
			remain in place, Indivior said on Wednesday.
 
 Suboxone Film is responsible for 80 percent of Indivior's revenue 
			and its market share has been falling — from 57 percent in 2017 to 
			50 percent more recently — after Dr. Reddy's launched a cut-price 
			version which Indivior says infringes its patents.
 
 The cheaper drug will likely reduce Indivior's full-year 2018 net 
			revenue by between $12 million and $18 million, it said last month.
 
			
			 
			Suboxone Film, which is dissolved under the tongue, helps drug users 
			beat their addiction to opioids, and the fight for its sale in the 
			United States comes as the country battles a growing crisis of 
			opioid abuse and addiction.
 Indivior welcomed the new court ruling and said it would continue to 
			pursue its infringement cases against Dr. Reddy's to protect its 
			Suboxone Film patent portfolio.
 
			
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			Representatives for Dr. Reddy's did not immediately respond to phone 
			calls and an email seeking comment.
 Meanwhile, shares of Dr. Reddy's fell 6 percent on India's National 
			Stock Exchange. Indivior shares rose 12 percent in London before 
			trimming gains to 2 percent.
 
 Indivior, which was spun off from consumer products group Reckitt 
			Benckiser in 2014, is set to discuss its strategy and contingency 
			plans in a conference call on Dec. 18.
 
 (This version of the story corrects typographical error in paragraph 
			8)
 
 (Reporting by Arathy S Nair in Bengaluru; Editing by Sai Sachin 
			Ravikumar)
 
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