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Biotech / Medical : Ligand (LGND) Breakout!
LGND 205.63-0.7%1:57 PM EST

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To: John O'Neill who wrote (21002)5/25/1998 11:15:00 AM
From: WTDEC  Read Replies (1) of 32384
 
" I believe the patent would be contested once a company starts selling the product. I guess, if Roche wanted to, they could sue for patent infringement after FDA approval and selling of Panretin by LGND. Sounds like Roche would also be taking on LLY in this, if they chose to pursue the matter"

JO, I believe the US Patent and Trademark Office (PTO) already initiated an interference when Roche filed the patent(s) making claims which overlapped the LGND patent(s). My understanding is that product sales are not required as PTO already knows of the overlap. Also, I don't think Panretin is involved in the LLY deal (the patents in question might be, although I see that as rather unlikely) so I believe Roche would only be taking on LGND here. See my post to HN from yesterday for more info. With NDA for Panretin gel to be filed this week, this patent issue is going to be more visible. LGND should update investors on where things stand IMO.

Regards,

Walter
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