PODCAST: Williams Mullen's Trending Now: An IP Podcast - Cease and Desist Letters: Protecting Your Intellectual Property the Right Way
What Were the Cooler Wars? (Part 2) — No Infringement Intended Podcast
What Were the Cooler Wars? (Part 1) — No Infringement Intended Podcast
PODCAST: Williams Mullen's Trending Now: An IP Podcast - IP and M&A Transactions
AGG Talks: Cross-Border Business Podcast - Episode 20: Mastering ITC Section 337 Investigations
3 Key Takeaways | What Corporate Counsel Need to Know About Patent Damages
Patent Litigation: How Low Can You Go?
(Podcast) The Briefing: Netflix to Pay $2.5M to GoTV for Patent Infringement
The Briefing: Netflix to Pay $2.5M to GoTV for Patent Infringement
The Art of Teaching Complex Technology in Patent Litigation - IMS Insights Podcast Episode 67
The Briefing: Failure to Disclose Relationship with Real Party in Interest Results in Serious Sanctions
Podcast: The Briefing - Failure to Disclose Relationship with Real Party in Interest Results in Serious Sanctions
5 Key Takeaways | How to Effectively Leverage the Chinese Patent System
Estoppel Doctrine in China's Patent System
Donation (Disclosure-Dedication) Doctrine in China’s Patent Litigation
6 Key Takeaways | Patent Opinions – New Developments and Pitfalls
Patent Right Evaluation Report in China’s Patent System
Kidon IP War Stories: David Cohen & Daryl Lim
Protecting the PB&J – Preserving IP Rights from Concept to Market
Patent Marking in China
On August 1, 2025, a UK Court of Appeal upheld the validity of Moderna’s European Patent No. 3,590,949 (“EP’949”) in a dispute with Pfizer and BioNTech. The decision affirmed a July 2024 UK High Court ruling finding that...more
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
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
On July 30, 2025, the U.S. District Court for the District of Delaware entered a Final Judgment in the dispute between Alnylam Pharmaceuticals, Inc. (“Alnylam”) and Pfizer, Inc. (“Pfizer”)—concluding that Pfizer’s...more
As we previously discussed, beginning in 2022, a series of patent infringement lawsuits were filed against Moderna and collaborators Pfizer+BioNTech seeking damages based on their respective sales of the Spikevax® and...more
On April 3, 2025, GlaxoSmithKline (GSK) and Pfizer filed a stipulation to dismiss with prejudice GSK’s litigation in the United States District Court for the District of Delaware....more
PFIZER INC. v. SANOFI PASTEUR INC. - Before Lourie, Bryson, and Stark. Appeal from the Patent Trial and Appeal Board....more
Last Friday, Alnylam Pharmaceuticals, Inc. (“Alnylam”) filed new complaints for patent infringement in the District of Delaware against Pfizer and Moderna. This is the third time Alnylam has sued Pfizer and Moderna in...more
Last week, Arbutus Biopharma Corp. and Genevant Sciences GmbH (collectively, Arbutus) filed a complaint for patent infringement in the District of New Jersey against Pfizer, Inc. and BioNTech SE....more
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
The December 2021 issue of Sterne Kessler's MarkIt to Market® newsletter discusses new enforcement tools courtesy of the Trademark Modernization Act; Pfizer's acquisition of Arena Pharmaceuticals; the latest developments in...more
On July 28, 2021, the Federal Court of Appeal (FCA) dismissed Seedling’s appeal from the Federal Court decision of Justice Grammond (2020 FC 1, previously reported), which concluded that certain claims of Seedlings' LifeCard...more
Allele v. Pfizer – The Basics. On April 23, 2021 Pfizer, Inc., BioNTechSE, and BioNTech US, Inc. (“Pfizer and BioNTech”) filed a joint reply supporting of their previously filed motion to dismiss a patent infringement...more
Pfizer and BioNTech recently asked the Southern District of California to dismiss a patent infringement claim from Allele Biotechnology related to Pfizer and BioNTech’s Covid-19 vaccine. Allele holds a patent for a...more
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
On December 10, 2020, the Supreme Court of Canada dismissed Pfizer’s application for leave to appeal (Docket No. 39150) a decision upholding an interlocutory decision on a question relevant to the assessment of section 8...more
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
About Life Sciences Court Report: We will periodically report on recently filed biotech and pharma litigation. Allergan USA, Inc. v. Prollenium US Inc. 1-20-cv-00104; filed January 23, 2020 in the District Court of Delaware...more
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
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
September 21, 2019 was the second anniversary of the coming into force of the amended Patented Medicines (Notice of Compliance) Regulations (Regulations) heralding significant changes to the landscape for pharmaceutical...more
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
As we have reported, over the course of the past thirteen months Plaintiffs Genentech, Inc. and City of Hope sued each of Pfizer, Celltrion and Teva, Amgen and Samsung Bioepis in the District of Delaware for patent...more
More than a dozen BPCIA patent litigations are currently pending in various U.S. district courts. Below are some highlights of activity in some of those cases from this month....more
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