Understanding the Impact of IPR Estoppel and PTAB Discretionary Denials — Patents: Post-Grant Podcast
What Were the Cooler Wars? (Part 2) — No Infringement Intended Podcast
A Guide to SEP: Standard Essential Patents for Tech Startups
Wolf Greenfield’s New Shareholders
5 Key Takeaways | Building a Winning Evidentiary Record at the PTAB (and Surviving Appeal)
Wolf Greenfield Attorneys Review 2024 and Look Ahead to 2025
5 Key Takeaways | Alice at 10: A Section 101 Update
Director Review Under the USPTO's Final Rule – Patents: Post-Grant Podcast
AGG Talks: Cross-Border Business Podcast - Episode 20: Mastering ITC Section 337 Investigations
Navigating Intellectual Property Challenges in the Renewable Energy Sector - Energy Law Insights
Patent Considerations in View of the Nearshoring Trends to the Americas
Tonia Sayour in the Spotlight
New Developments in Obviousness-Type Double Patenting and Original Patent Requirements — Patents: Post-Grant Podcast
3 Key Takeaways | What Corporate Counsel Need to Know About Patent Damages
5 Key Takeaways | Rolling with the Legal Punches: Resetting Patent Strategy to Address Changes in the Law
Meet Meaghan Luster: Patent Litigation Associate at Wolf Greenfield
Legal Alert: USPTO Proposes Major Change to Terminal Disclaimer Practice
PODCAST: Williams Mullen's Trending Now: An IP Podcast - Artificial Intelligence Patents & Emerging Regulatory Laws
Are Your Granted Patents in Danger of a Post-Grant Double Patenting Challenge?
Patent Litigation: How Low Can You Go?
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
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
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
On April 22, 2025, the U.S. District Court for the Northern District of West Virginia entered a Stipulation and Order Vacating Permanent Injunction and Dismissing All Claims and Counterclaims with Prejudice in In re:...more
Appeals from and redacted memorandum and opinion in support of judgment in Regeneron v. Mylan (aflibercept) BPCIA case filed - As we previously reported, trial in Regeneron Pharmaceutical, Inc.’s BPCIA case against Mylan...more
As we have previously reported, Regeneron’s BPCIA case against Mylan regarding Mylan’s proposed aflibercept biosimilar is proceeding in the U.S. District Court for the Northern District of West Virginia, with a two-week trial...more
As we have previously reported, Regeneron’s BPCIA case against Mylan regarding Mylan’s proposed aflibercept biosimilar is proceeding on an expedited schedule, with a two-week trial scheduled to begin on June 12, 2023. On...more
As we previously reported, the Northern District of West Virginia ordered an expedited trial in Regeneron’s aflibercept BPCIA case against Mylan. Regeneron had asserted 24 patents in its complaint....more
On Tuesday, December 6, Regeneron filed an expedited motion to compel Mylan’s compliance with the protective order in the parties’ BPCIA litigation concerning Mylan’s proposed aflibercept biosimilar of EYLEA. Regeneron...more
As we reported last week, the Northern District of West Virginia court has ordered an expedited trial in Regeneron’s aflibercept BPCIA case against Mylan. As required by the court’s scheduling order, on October 28,...more
The court has issued a scheduling order in Regeneron’s aflibercept BPCIA case against Mylan. The court scheduled a 2-week trial in June 2023, less than a year from Regeneron’s filing of its complaint in August 2022....more
As we previously reported, Regeneron filed a BPCIA complaint against Mylan on August 3, 2022, regarding Mylan’s proposed aflibercept biosimilar. Just two days after filing its Complaint, Regeneron filed a motion...more
Regeneron filed a complaint yesterday against Mylan in the U.S. District Court for the Northern District of West Virginia, alleging infringement of twenty-four patents under the BPCIA based on Mylan’s submission of an aBLA...more
As we close out another calendar year, we look back at the top legal developments of 2021 that could influence the market for biologics and biosimilars. There were many interesting decisions and other developments in district...more
As previously reported, Amgen sought leave to appeal a decision of the Federal Court of Appeal (2020 FCA 188) affirming Justice Southcott’s decision that the relevant claims of its filgrastim (NEUPOGEN) patent were invalid...more
On November 5, 2020, the United States Court of Appeals for the Federal Circuit, in Valeant Pharmaceuticals N. Am. LLC v. Mylan Pharmaceuticals Inc., No. 19-2402, resolved a split among district courts over what constitutes...more
Somewhat remarkably, there is no settled Federal Circuit precedent regarding where a patentee can bring suit against a generic competitor in Hatch-Waxman litigation under 35 U.S.C. § 271(e)(2). While recognizing that this...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 previously reported, Mylan recently filed a motion for judgment on the pleadings regarding Amgen’s assertion of the ’707 Patent, which covers methods related to producing the biosimilar pegfilgrastim. Mylan’s motion...more
Today, the U.S. FDA announced that it has approved Mylan’s aBLA for Fulphila™ (pegfilgrastim-jmdb), a biosimilar of Amgen’s Neulasta®. This approval marks the eleventh FDA licensure of a biosimilar product under the BPCIA...more
Below is a rundown of some recent developments in BPCIA litigations concerning biosimilars of Neupogen® (filgrastim) and/or Neulasta® (pegfilgrastim). Amgen v. Adello (filgrastim) - As we previously reported, in March,...more
Over the past several weeks, there have been numerous developments in U.S. patent litigation activity relating to biosimilars of Neupogen® (filgrastim) and Neulasta® (pegfilgrastim). Below is a summary of these developments....more
On Friday, Amgen filed a complaint for patent infringement under the BPCIA against yet another developer of a biosimilar of Neulasta® (pegfilgrastim). Amgen has sued Mylan in the Western District of Pennsylvania for...more
On December 16, 2016, Genentech filed preliminary responses in IPR2016-01693 and IPR2016-01694. Mylan filed both IPR petitions in August against patent 6,407,213, which covers humanized antibody polypeptides and methods for...more
On October 14, 2016, Mylan Pharmaceuticals and the Biosimilars Council, a subsidiary of the Generic Pharmaceuticals Association (GPhA), filed amicus briefs in support of granting review in Apotex v. Amgen, No. 16-332. As...more