Solodyn is the correct answer—well done! According to MRX, Ranbaxy (not Sandoz) holds first-filer status on the 105mg dose, so there are three (not four) first-filer companies for the various non-legacy doses.
This is the status of all eight dosage strengths:
45mg: legacy dose; multiple generics starting Nov 2011* 55mg: Lupin has first-filer status; litigation pending 65mg: Teva has first-filer status; case settled 80mg: Ranbaxy has first-filer status; case settled 90mg: legacy dose; multiple generics starting Nov 2011* 105mg: Ranbaxy has first-filer status; case settled 115mg: Teva has first-filer status; case settled 135mg: legacy dose; multiple generics starting Nov 2011*
*Some generic use at these doses is occurring now due to product remaining from prior at-risk launches.
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