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Biosimilars Inter Partes Review (IPR) Proceeding Patents

Venable LLP

Spotlight On: Actemra® (tocilizumab) / Tofidence™ (tocilizumab-bavi) / Tyenne® (tocilizumab-aazg) / Avtozma® (tocilizumab-anoh) -...

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Tocilizumab Challenged Claim Types in IPRs: Claims are counted in each IPR, so claims from the same patent challenged in multiple IPRs are counted more than once. Within each IPR, claims are counted only once, whether they...more

Venable LLP

Spotlight On: Neulasta® (pegfilgrastim) / Fulphila® (pegfilgrastim-jmdb) / Udenyca® (pegfilgrastim-cbqv) / Ziextenzo®...

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Pegfilgrastim 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

Venable LLP

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

Venable LLP

Spotlight On: Humira® (adalimumab) / Amjevita™ (adalimumab-atto) / Cyltezo® (adalimumab-adbm) / Hyrimoz™ (adalimumab-adaz) /...

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Adalimumab 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

Venable LLP

Spotlight On: Lantus® / Lantus® SoloSTAR® (insulin glargine recombinant) / Basaglar® (insulin glargine) / Semglee® (insulin...

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Insulin Glargine 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

Amgen Files Three IPR Petitions Challenging Bristol-Myers Squibb Anti-PD1 and Anti-CTLA-4 Antibody Combination Method of Treatment...

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On February 28, Amgen, Inc. (“Amgen”) filed three petitions for inter partes review, challenging the validity of all claims in three patents assigned to Bristol-Myers Squibb Co. (“BMS”). The claims of all three patents are...more

Venable LLP

Amgen Challenges Opdivo® / Yervoy® Combination Treatment Patents in Three IPRs

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On February 28, 2025, Amgen filed three IPRs against Bristol-Myers Squibb’s patents covering methods of treatment using a combination of Opdivo® (nivolumab), an anti-PD-1 antibody, and Yervoy® (ipilimumab), an anti-CTLA-4...more

Venable LLP

Celltrion Files IPR on Regeneron’s EYLEA® Patent

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On January 15, 2025, Celltrion filed IPR2025-00456 against Regeneron’s U.S. Patent No. 11,084,865 (“the ’865 patent”), challenging claims 1-17, 19-42, 44-50 as anticipated and claims 1-50 as obvious....more

Venable LLP

Biosimilar Updates: EYLEA® IPR Filings, Herceptin® Biosimilar Hercessi™ Launch, Stelara® Biosimilar Yesintek™ Approval

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On November 20, 2024, Samsung Bioepis filed IPR2025-00176 against Regeneron’s U.S. Patent No. 11,084,865 (“the ’865 patent”), challenging as obvious 48 claims (claims 1-12, 14-17, 19-20, 22-36, 39-42, 44-45, and 47-55)...more

Venable LLP

Spotlight On: Neulasta® (pegfilgrastim) / Fulphila® (pegfilgrastim-jmdb) / Udenyca® (pegfilgrastim-cbqv) / Ziextenzo®...

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Pegfilgrastim 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

Venable LLP

Spotlight On: Actemra® (tocilizumab) / Tofidence™ (tocilizumab-bavi) / Tyenne® (tocilizumab-aazg) - November 2024

Venable LLP on

Tocilizumab Challenged Claim Types in IPRs: Claims are counted in each IPR, so claims from the same patent challenged in multiple IPRs are counted more than once. Within each IPR, claims are counted only once, whether they...more

Venable LLP

Spotlight On: Rituxan® (rituximab) / Truxima® (rituximab-abbs) / Ruxience® (rituximab-pvvr) / Riabni™ (rituximab-arrx) - November...

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Rituximab 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

Venable LLP

Spotlight On: Enbrel® (etanercept) / Erelzi® (etanercept-szzs) / Eticovo® (etanercept-ykro) - November 2024

Venable LLP on

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

Venable LLP

Spotlight On: Herceptin® (trastuzumab) / Ogivri® (trastuzumab-dkst) / Herzuma® (trastuzumab-pkrb) / Ontruzant® (trastuzumab-dttb)...

Venable LLP on

Trastuzumab 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

Venable LLP

Venable’s BiologicsHQ Monthly Injection - October 2024

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Welcome to Venable’s BiologicsHQ Monthly Injection – October 2024...more

Venable LLP

Spotlight On: Actemra® (tocilizumab) / Tofidence™ (tocilizumab-bavi) / Tyenne® (tocilizumab-aazg) - August 2024

Venable LLP on

Tocilizumab Challenged Claim Types in IPRs: Claims are counted in each IPR, so claims from the same patent challenged in multiple IPRs are counted more than once. Within each IPR, claims are counted only once, whether they...more

Venable LLP

Venable’s BiologicsHQ Monthly Injection - July 2024

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Welcome to Venable’s BiologicsHQ Monthly Injection – July 2024...more

Venable LLP

The First Biosimilar Disputes at the Unified Patent Court (UPC)

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As the era of biologics and biosimilar litigations heats up in the United States, Europe’s Unified Patent Court (UPC) is also taking center stage with the first two biosimilar disputes filed in March and April....more

Venable LLP

Amgen and Sandoz Settle Prolia® / Xgeva® Biosimilar Litigation

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Amgen and Sandoz reached a settlement in Case No. 1:23-cv-02406 (D.N.J.) on April 29 just hours before a New Jersey District Court Judge (Christine O’Hearn) was scheduled to announce her ruling on Amgen’s preliminary...more

Venable LLP

Spotlight On: Biosimilar Litigations

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Biosimilar Litigations include litigations relating to biosimilar/follow-on products of CDER-listed reference products. Litigations between biosimilar applicants/manufacturers and reference product sponsors as well as...more

Morgan Lewis

Blockbuster Biologics Review - Issue 23

Morgan Lewis on

Welcome to our quarterly update relating to biologics and biosimilars, including post-grant and patent litigation challenges to blockbuster biologics. Since the enactment of the Biologics Price Competition and Innovation Act...more

Axinn, Veltrop & Harkrider LLP

Will the PTO's Proposed Expansion of Filing Settlement Agreements Help to Reduce Drug Prices?

In a recent Federal Register notice, the PTO announced a proposed rule requiring that any settlement agreement resolving a PTAB proceeding, even if such agreement occurs prior to a decision to institute an inter partes review...more

American Conference Institute (ACI)

[Event] 15th Summit on Biosimilars & Innovator Biologics - June 20th - 21st, New York, NY

Hosted by American Conference Institute, the Summit on Biosimilars & Innovator Biologics returns to New York City, on June 20 - 21, 2024. Now in its 15th year, the 2024 conference will dive deep into the latest legal,...more

Venable LLP

EYLEA® IPR Appeals Filed

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On March 13, 2024, Regeneron appealed the PTAB Board’s (“the Board”) recent Final Written Decisions (“FWDs”) that found claims of two Regeneron patents related to EYLEA® (aflibercept) unpatentable....more

Venable LLP

Stelara® Biosimilar Updates: Settlement of IPR and FDA Review of Proposed Biosimilar

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On March 4, 2024, the PTAB granted Biocon and Janssen’s joint motion to terminate IPR2023-01444 due to a settlement reached prior to an institution decision. The parties announced in a press release that their settlement and...more

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