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Biosimilars Patent Infringement Pfizer

Venable LLP

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

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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: 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

Goodwin

Pfizer Files Lawsuit in Australia to Halt Sales of BRENZYS (etanercept)

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Last week Pfizer filed a lawsuit in a federal court of Australia against respondents Samsung Bioepis, Merck, Sharp & Dohme, Organon, and Arrow, to halt sales of their biosimilar BRENZYS (etanercept). Pfizer alleges that the...more

Goodwin

Motion to Dismiss Denied in Amgen v. Hospira BPCIA

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At the end of last month, Judge Connolly denied defendants Hospira and Pfizer’s motion to dismiss following a telephone conference with the parties.  We previously reported back in February 2020 that Amgen sued Pfizer and its...more

Goodwin

Pfizer Moves to Dismiss Amgen’s Suit Over Proposed Neulasta Biosimilar

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As we previously reported, on February 11, 2020, Amgen sued Pfizer and its affiliate Hospira, alleging that their proposed biosimilar of Amgen’s NEULASTA (pegfilgrastim) would infringe U.S. Patent No. 8,273,707 (“the ’707...more

Goodwin

Amgen Sues Pfizer Over Proposed Neulasta Biosimilar

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On February 11, 2020 Amgen sued Pfizer and its affiliate Hospira for patent infringement based on their proposed biosimilar of NEULASTA (pegfilgrastim). Pegfilgrastim is indicated for decreasing the incidence of infection in...more

Herbert Smith Freehills Kramer

Biosimilar Litigation Trends and Lessons Learned in 2019

It has been nearly 10 years since the U.S. Biosimilars Pathway (the Biologics Price Competition and Innovation Act) was enacted. The first biosimilar product in U.S. history was approved and launched in 2015. Ten biosimilars...more

Goodwin

Biosimilar-Related Patent Litigation Updates

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Here are some recent developments in U.S. legal proceedings relating to biosimilars: On December 10, 2018, in the Southern District of Florida, Apotex filed a motion to dismiss the patent infringement complaint that Amgen...more

Smart & Biggar

Rx IP Update - 2017 Highlights in Canadian Life Sciences IP

Smart & Biggar on

The year 2017 was one of the most significant years for Canadian Life Sciences IP and Regulatory Law in Canada’s history. The year saw major developments in patent linkage, patent term, and substantive patent issues. As we...more

Fish & Richardson

The Herceptin® Battle Moves into the District Court

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On November 17, 2017, Genentech filed suit against Pfizer in the District of Delaware, alleging that Pfizer’s biosimilar of Herceptin® infringes forty Genentech patents covering Herceptin® and its methods of use and...more

Goodwin

Genentech Files Complaint Against Pfizer Regarding Herceptin

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Genentech filed a complaint last Friday in the District of Delaware against Pfizer for infringement of 40 patents under the BPCIA regarding PF-05280014, Pfizer’s biosimilar of Herceptin® (trastuzumab). According to the...more

Patterson Belknap Webb & Tyler LLP

Following Biosimilar Trial, Jury Awards Amgen $70 Million for Pfizer’s Pre-Approval Infringement of Now-Expired EPO Patent

In one of the first Biologics Price Competition and Innovation Act (BPCIA) litigations to reach trial, a jury on Friday awarded Amgen $70 million in damages for Pfizer’s infringement of one of Amgen’s expired patents...more

Jones Day

Genentech to Defend 3 of 4 Herceptin® Patents Challenged by Hospira

Jones Day on

At least 19 IPRs have been filed against seven of Genentech’s patents covering its blockbuster antibody drug Herceptin® (trastuzumab). On July 27, 2017, the PTAB instituted IPRs filed by Hospira, Inc. (a subsidiary of Pfizer)...more

Knobbe Martens

PTAB Institutes Two IPRs in Hospira v. Genentech Avastin Dispute

Knobbe Martens on

Bevacizumab (Avastin®) is the subject of the widely watched “patent dance” dispute between Genentech and Amgen regarding Amgen’s proposed biosimilar. Hospira, however, (now owned by Pfizer) has chosen a different path in...more

Smart & Biggar

RxIP Update - 2016 Year in Review

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The following are highlights of developments in Canadian life sciences intellectual property and regulatory law in 2016, updating our 2016 mid-year highlights. 1. Substantive patent law developments - Utility and...more

McDonnell Boehnen Hulbert & Berghoff LLP

An Inflectra Update -- Pfizer Announces Launch of REMICADE® Biosimilar

On April 5, 2016, the FDA approved Celltrion's application to market a biosimilar to Janssen Biotech Inc.'s REMICADE® (infliximab) anti-TNF-a antibody (see "FDA Approves Inflectra - Celltrion's REMICADE® Biosimilar"). ...more

Snell & Wilmer

FDA Approves Second Biosimilar – Inflectra™ – The First Monoclonal Antibody Biosimilar

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The U.S. Food and Drug Administration announced on April 5 its second ever approval of a biosimilar – Inflectra (infliximab-dyyb) – for multiple indications. Inflectra was developed by Celltrion Inc. and licensed to Pfizer...more

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