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Pharmaceutical Patents Patent Trial and Appeal Board Hoffman LaRoche

Venable LLP

Spotlight On: Enbrel® (etanercept) / Erelzi® (etanercept-szzs) / Eticovo® (etanercept-ykro) - August 2025

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Etanercept Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more

Goodwin

PTAB Grants Petitioner Celltrion’s Motion To Submit Supplemental Information in Tocilizumab IPR

Goodwin on

​​​​​​​The U.S. Patent Trials & Appeals Board (Board) recently issued an Order granting Celltrion’s motion to submit supplemental information in its IPR (2022-00578) against U.S. Pat. No. 8,580,264, owned by Chugai Seiyaku...more

Goodwin

PTAB Institutes Another IPR on a Tocilizumab Patent Challenged by Fresenius

Goodwin on

On March 3, 2022, the PTAB instituted another inter partes review of U.S. Patent Nos. 8,580,264 (“the ’264 patent”), owned by Chugai and Roche. Fresenius filed a petition for inter partes review of the ‘264 patent,...more

Goodwin

Recent IPR Updates

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The PTAB has been a busy place for biologics patents in the past few weeks. Here are some of the highlights...more

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