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Phase III study report indicates Celltrion and Pfizer’s infliximab biosimilar is non-inferior to REMICADE in treating Crohn’s disease

According to a recent paper in The Lancet, a new phase 3 study shows that CT-P13, Celltrion and Pfizer’s infliximab biosimilar, is non-inferior to the reference biologic, REMICADE, for the treatment of Crohn’s disease.  CT-P13 was approved by the European Commission under the trade name Remsima® in September 2013, and…

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Kashiv Files IPRs on Amgen Process Patents

On March 7, 2019, Kashiv Biosciences filed two IPR petitions (IPR2019-00791 and IPR2019-00797) against Amgen process patents – U.S. Patent Nos. 8,940,878 and 9,643,997. The ‘878 and ‘997 patents are directed to methods to purify proteins expressed in a non-native soluble form in a non-mammalian expression system.  Kashiv asserts that claims 7-8, 11-12,…

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The Biologic Patent Transparency Act: Proposed Revisions to Purple Book

Earlier this month, a bipartisan group of six senators introduced the Biologic Patent Transparency Act (“BPTA”), which the senators say will “help increase patent transparency, promote biosimilar competition, bring needed biosimilar treatments to patients faster, and ultimately, lower drug prices for consumers.” The sponsors further state that the bill will…

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Rituximab IPR Updates

Today, Pfizer filed a notice that it will not participate in the appeal of the final written decision of IPR2017-01168, which found all claims of U.S. Patent No. 8,821,873 unpatentable. The ‘873 patent is directed to a method of treating lymphoma with anti-CD20 antibodies. Yesterday, Pfizer and Biogen filed a joint…

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Abbvie and Adalimumab Biosimilar Manufacturers Face Class-Action Lawsuit Alleging Antitrust Violations Related to Patent Protection of Humira®

On March 18, 2019, UFCW Local 1500 Welfare Fund, a New-York based grocery union, filed a putative class-action lawsuit against AbbVie and seven adalimumab biosimilar manufacturers alleging misconduct and antitrust violations in connection with AbbVie’s assertion of patents to prevent the sale of biosimilar versions of Humira® in the United States….

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Coherus Settles with AbbVie, and Sues Amgen, Over Adalimumab Biosimilars (Updated)

Coherus announced today that it has executed settlement agreements with AbbVie that grant Coherus global, non-exclusive, royalty-bearing license rights under AbbVie’s intellectual property to commercialize CHS-1420, Coherus’ proposed adalimumab biosimilar.  According to the press release, the “global settlements resolve all pending disputes between the parties related to Coherus’ adalimumab biosimilar,” with Coherus’s…

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