**vartis bid to sell new biosimilar crimped by U.S. court battles
 

**vartis bid to sell new biosimilar crimped by U.S. court battles
ZURICH (Reuters) - **vartis has won U.S. approval for a copy of Amgen's blockbuster arthritis drug Enbrel, but the Swiss drugmaker's bid to muscle in on the medicine's $4.7 billion in annual U.S. revenue remains blocked by court battles.http://feeds.feedburner.com/~ff/reut...?d=yIl2AUoC8zA http://feeds.feedburner.com/~ff/reut...Hg:F7zBnMyn0Lo http://feeds.feedburner.com/~ff/reut...Hg:V_sGLiPBpWU
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