PTAB Takes Up Dr. Reddy's Suboxone Patent Challenge

Law360 (June 3, 2019, 8:30 PM EDT) -- The Patent Trial and Appeal Board on Monday agreed to review the majority of an Indivior UK Ltd. patent covering the opioid addiction treatment Suboxone, following a challenge by Dr. Reddy's.

The board said Dr. Reddy's Laboratories SA, a generic-drug maker based in India, is likely to prove that at least one of the challenged claims is anticipated by an earlier patent publication. The inter partes review will cover all but one of U.S. Patent No. 9,687,454's 14 claims.

The board addressed and rejected several arguments from Indivior against taking the case. For example, Indivior said Dr. Reddy's shouldn't be able...

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