Patent Valuation, Monetization and Investments

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Markman Advisors Patent Blog

by Zachary Silbersher

Posts tagged Lotus Pharmaceuticals
What to make of Dr. Reddy’s IPR losses for Celgene’s Revlimid patent cases?

Last week, we wrote about milestones to watch for in Celgene’s ($CELG) Revlimid® patent landscape in 2019 that could potentially impact the Bristol Myers ($BMY) transaction.  One data-point that investors were anticipating were institution decisions in three petitions for inter partes review (IPRs) filed by Dr. Reddy’s.  This week, the PTAB denied institution of all three IPRs.  How will those decisions read-through to the overall Revlimid® patent landscape?

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Three milestones to watch for in 2019 that could impact generic entry for Celgene’s Revlimid.

Since announcing the pending acquisition of Celgene ($CELG) by Bristol Myers ($BMY), investors have focused upon the patent-cases involving Revlimid®.  There are multiple cases and petitions for inter partes review (IPRs) at various stages of resolution.  The key question among investors is whether there will be any key milestones in those cases--especially during 2019 before the Bristol acquisition closes—that will clarify exactly when any of the pending generics will enter.  In this post, we identify three potential milestones to watch for from the Revlimid® patent landscape in 2019. 

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How important is Celgene’s latest Revlimid® suit against Dr. Reddy’s over REMS patents?

In a slightly new wrinkle in Celgene’s recent Revlimid® saga, Celgene ($CELG) has commenced another suit against Dr. Reddy’s ($RDY).  (This is the third patent lawsuit connected to Dr. Reddy’s proposed generic for Revlimid®.)  In the most recent suit, Celgene asserts five new patents (the ‘720, ‘977, ‘784, ‘866 and ‘531).  The suit was commenced on April 13, 2018 in the federal court in New Jersey, where the other Revlimid® suits are currently pending.  What’s this suit all about?

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