Alvogen Fails In Revlimid IPR Attempt
Alvogen’s inter partes review petition challenging a Revlimid patent in the US has been denied by the PTAB, following similar denials of petitions by Dr Reddy’s over three other Revlimid patents.
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Dr Reddy’s Laboratories has become the third Revlimid ANDA sponsor to settle patent litigation action with Bristol Myers Squibb’s Celgene. However, the Indian company will join Alvogen in not being able to launch before first settler Natco, which has partnered with Teva’s Watson.
Alvogen can sell in the US generic lenalidomide on a volume-limited basis after March 2022, and without volume limitations in early 2026, after settling patent litigation with Celgene relating to the originator’s Revlimid. Dr Reddy's has also settled in Canada.
Alvogen is claiming the first European launch of a generic rival to Revlimid, rolling out the oncology drug in several central and eastern European markets. Meanwhile, IPR challenges to three Revlimid patents in the US have been denied.