News & Analysis as of

Biosimilars Inter Partes Review (IPR) Proceeding Patent Trial and Appeal Board

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

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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

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

FDA Approves Third Actemra® Biosimilar, Celltrion’s Avtozma® (tocilizumab-anoh)

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On January 24, 2025, the FDA approved Celltrion’s Avtozma® (tocilizumab-anoh), in intravenous and subcutaneous formulations, as the third biosimilar of Genentech’s Actemra® (tocilizumab)...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

Knobbe Martens

Settlements Don’t Close the Door: Antitrust Claims Follow IPR Challenges in Life Sciences

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In the ongoing case of Carefirst of Maryland Inc. v. Johnson & Johnson, the plaintiffs successfully overcame a motion to dismiss. At the heart of the case is J&J’s legal strategy against biosimilar competitors, including...more

Venable LLP

Venable’s BiologicsHQ Monthly Injection - October 2024

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

Foley & Lardner LLP

Cancer Drugs: Antibody-Drug Conjugate Litigation

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Antibody-drug conjugates (ADCs) are typically composed of a monoclonal antibody attached to a cytotoxic drug via a chemical linker. The antibody is able to identify biomarkers on and attach to cancer cells, allowing targeted...more

Venable LLP

Venable’s BiologicsHQ Monthly Injection - July 2024

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

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

Venable LLP

Chugai, Genentech, and Hoffmann-La Roche Dismiss Appeals of Actemra® Patent IPR Final Written Decisions

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On February 12, 2024, Chugai, Genentech, and Hoffmann-La Roche (Roche) filed a motion to voluntarily dismiss CAFC Appeals 24-1111 and 24-1115, appealing the Final Written Decisions (FWDs) in IPR2022-00578 and IPR2022-00579,...more

Venable LLP

The PTAB Finds Claims of Two EYLEA® Patents Unpatentable and Regeneron Files its Sixth Complaint Against a Proposed EYLEA®...

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The new year has brought a wave of activity for EYLEA® (aflibercept) biosimilars. Following up on our previous report (EYLEA® (aflibercept) and Soliris® (eculizumab) IPR and BPCIA Litigation Updates, December 31, 2023), in...more

Goodwin

Year in Review: Top Legal Developments of 2023

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​​​​​​​As we settle into 2024, we reflect on the significant legal developments of 2023 that hold potential impact on the biologics and biosimilars market. The following is a recap of some of the top five legal decisions and...more

Goodwin

Updates on Patent Challenges by Biosimilar Manufacturers at the PTAB

Goodwin on

In the last month, there has been a flurry of activity at the PTAB related to challenges from biosimilar manufacturers related to ustekinumab, aflibercept, and eculizumab patents....more

Goodwin

PTAB Issues Final Written Decisions Finding Claims of Tocilizumab-related Patents Invalid

Goodwin on

On August 29, 2023, the PTAB issued final written decisions in IPR2022-00578 and IPR2022-00579, filed by Celltrion on two patents related to tocilizumab — U.S. Patent Nos. 8,580,264 and 10,874,677, owned by Chugai Seiyaku...more

American Conference Institute (ACI)

[Event] 14th Summit on Biosimilars & Innovator Biologics - June 27th - 28th, Boston, MA

Biologics have become the fastest-growing class of therapeutic compounds. They have provided innovative treatment alternatives for people who suffer from some of the most serious medical conditions known to man. The...more

Goodwin

Year in Review: Top Legal Developments of 2022

Goodwin on

As we ring in the new year, we look back at the top legal developments of 2022 that could influence the market for biologics and biosimilars. There were many interesting decisions and other developments in district court, at...more

Morgan Lewis

Blockbuster Biologics Review | Issue 18

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...more

American Conference Institute (ACI)

[Event] 13th Summit on Biosimilars & Innovator Biologics - June 28th - 29th, Boston, MA

This June, join the “who’s who” of the biosimilars and innovator biologics industries as they gather in Boston for ACI’s 13th Annual Summit on Biosimilars & Innovator Biologics....more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

2021 PTAB Year in Review: Analysis & Trends

[co-author: Jamie Dohopolski] Love it or hate it, ignore the USPTO Patent Trial and Appeal Board (PTAB) at your peril. The introduction of the PTAB as part of the America Invents Act over ten years ago has forever changed...more

Morgan Lewis

Blockbuster Biologics Review Issue 14

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

American Conference Institute (ACI)

[Event] Paragraph IV Disputes Conference - November 9th - 10th, New York, NY

Join the conference that the “who’s who” of Hatch-Waxman litigators have designated as the forum which sets the standards for Paragraph IV practice. ACI’s Paragraph IV Litigation Conference is returning LIVE & IN-PERSON to...more

Rothwell, Figg, Ernst & Manbeck, P.C.

Does the Term “Human Antibody” Include Humanized Antibodies?

In the context of Immunex’s patent on IL-4 antibodies, the Federal Circuit says yes. On October 13, 2020, the Federal Circuit affirmed the Patent Trial and Appeal Board’s (the “Board”) final written decision in...more

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