IPR decision: Aug. 27, 2019
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AIA Review
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Filing Date
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Institution Date
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Petitioner
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US Patent
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Respondent
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Final Decision
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IPR2018-00608
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02/12/2018
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08/29/2018
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Amneal Pharma. LLC
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9,161,926
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Allergan, Inc.
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Claims 1–6 are patentable
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US 9,161,926 (Allergan, Inc.; Exp: 11/18/2033) – listed in OB
1. A topical pharmaceutical composition comprising: about 7.5% w/w dapsone; about 30% w/w to about 40% w/w diethylene glycol monoethyl ether; about 2% w/w to about 6% w/w of a polymeric viscosity builder consisting of acrylamide/sodium acryloyldimethyl taurate copolymer; and water; wherein the composition does not comprise adapalene.
5. A topical pharmaceutical composition comprising: about 7.5% w/w dapsone; about 30% w/w diethylene glycol monoethyl ether; about 4% w/w of a polymeric viscosity builder consisting of acrylamide/sodium acryloyldimethyl taurate copolymer; and water; wherein the composition does not comprise adapalene.
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