Pharmaceutical firms such as Cipla, Matrix and AIDS patient groups have filed separate post-grant oppositions against Swiss multinational Roche's patent on valganciclovir, a drug used during organ transplantation and by HIV/ AIDS patients.

<tr><td><p class='TableClas'></p><P class='TableClas'> <DIV CLASS=rightDiv><script language="JavaScript">
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		<script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
		</script> </DIV><p class='TableClas'>The Chennai patent office had granted protection for valganciclovir to Swiss MNC Hoffmann-La Roche (Roche) last year. The Delhi Network of Positive People (DNP+), an organisation representing HIV/ AIDS patients, filed a post-grant opposition against valganciclovir today. </P></p></table>


Cipla, AIDS groups oppose Roche`s AIDS drug patent in India

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