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?
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
Alnylam Pharmaceuticals, Inc. v. Moderna, Inc., Appeal No. 2023-2357 (Fed. Cir. June 4, 2025) In this week’s Case of the Week, the Federal Circuit affirmed a final judgment that Moderna’s mRNA-based COVID-19 vaccine did...more
Addressing for the first time the issue of whether bioequivalence data and in vitro testing can show that an abbreviated new drug application (ANDA) product with different immediate and delayed release portions infringed on a...more
In the last few weeks, the PTAB has granted institution of eight IPRs filed by Merck on Johns Hopkins patents directed to methods of treatment using pembrolizumab. The eight patents are generally directed to methods...more
Precedential and Key Federal Circuit Opinions - MALVERN PANALYTICAL INC. v. TA INSTRUMENTS-WATERS LLC [OPINION] (2022-1439, 11/1/2023) (Prost, Hughes, and Cunningham) - Prost, J. The Court vacated the district court’s...more
We previously reported on patent infringement litigations between Alnylam and Moderna. Below we provide updates on two proceedings involving the mRNA vaccine producer Moderna....more
Last week, Canada-based Acuitas Therapeutics, Inc. (Acuitas) filed a complaint in the District of New Jersey for declaratory judgment of non-infringement and invalidity against Arbutus Biopharma Corp. and Genevant Sciences...more
Case Name: Astellas US LLC v. Hospira, Inc., No. 18-cv-1675-CFC, 2022 WL 1591277 (D. Del. May 19, 2022) (Connolly, J.) Drug Product and Patent(s)-in-Suit: Lexiscan® (regadenoson); U.S. Patents Nos. 106,183 (“the ’183...more
Case Name: Horizon Medicines LLC v. Alkem Labs. Ltd., No. 2021-1480, 2021 WL 5315424 (Fed. Cir. Nov. 16, 2021) (Circuit Judges Dyk, O’Malley, and Hughes presiding; Opinion by Dyk, J.) (Appeal from D. Del., Andrews, J.)...more
Case Name: Almirall, LLC v. Torrent Pharms., Ltd., Civ. No. 20-1373-LPS (D. Del. July 13, 2021) (Stark, J.) - Drug Product and Patent(s)-in-Suit: Aczone® Gel, 7.5% (Dapsone); U.S. Patent No. 9,517,219 (“the ’219 patent”)...more
Precedential Federal Circuit Opinions - CAP EXPORT, LLC v. ZINUS, INC. [OPINION] (2020-2087, 5/5/21) (Dyk, Bryson, Hughes) - Dyk, J. Affirming decision to set aside judgment and injunction pursuant to Federal Rule of...more
On December 24, 2020, the Federal Court issued a decision in a patent infringement action pursuant to s. 6(1) of the Patented Medicines (Notice of Compliance) Regulations relating to silodosin (Allergan’s RAPAFLO): Allergan...more
By Memorandum Opinion entered by The Honorable Leonard P. Stark in Osseo Imaging, LLC v. Planmeca USA Inc., Civil Action No. 17-1386-LPS (D.Del. October 28, 2020), the Court, inter alia, denied Defendant’s motion for summary...more
Recently, the Federal Circuit issued its holding in a case dealing with asserting claims of an extended patent covering administration of dimethyl fumarate formulations to treat multiple sclerosis (MS). Dimethyl fumarate...more
The Federal Circuit affirmed the grant of a defendant’s Rule 12(c) motion for judgment on the pleadings based on non-infringement, holding that under the plain text of patent term extension (PTE) statute an accused drug...more
On February 11, 2020, in the Biogen v. Amgen BPCIA litigation regarding MVASI (bevacizumab-awwb), Amgen’s biosimilar of AVASTIN, Judge Colm Connolly of the Delaware District Court denied most of Genentech’s motion to dismiss...more
On December 6, 2019, the Federal Circuit will hear oral argument in a rituximab-related appeal by Biogen. The appeal stems from a final written decision of the Patent Trial and Appeal Board (PTAB) in an inter partes review...more
A recent case at the U.S. District Court for the District of Delaware demonstrates how nuanced safe harbor protection under 35 U.S.C. § 271(e)(1) "non-infringement" can be for a pharmaceutical company developing a biosimilar...more
As we have previously covered, last month the court in Janssen v. Celltrion (D. Mass., J. Wolf) issued a memorandum opinion granting Celltrion’s motion for summary judgment of non-infringement of the sole remaining...more
As we previously reported, the district court granted Sandoz’s motion for summary judgment of non-infringement in the ongoing Amgen v. Sandoz litigation, which relates to Sandoz’s filgrastim and pegfilgrastim biosimilars....more
On May 29, 2018, a week-long bench trial began before Judge Andrews in Sanofi-Aventis U.S. LLC v. Merck Sharpe & Dohme Corp. in the District of Delaware. As we reported here, Sanofi had sued Merck for patent infringement...more
The past week saw further developments in the ongoing patent dispute between Janssen and Defendants Celltrion and Hospira relating to Inflectra® (infliximab-dyyb), a biosimilar of Remicade®. First, on May 4, Janssen and...more
On January 11, 2018, Celltrion and Teva filed two lawsuits against Genentech in the District Court for the Northern District of California. Case No. 3:18-cv-00274 relates to Celltrion’s Herzuma®, its trastuzumab biosimilar. ...more
As we previously reported, in Amgen v. Sandoz, which relates to both Sandoz’s filgrastim biosimilar (Zarxio) and its pegfilgrastim biosimilar, Sandoz had filed motions for summary judgment regarding non-infringement of...more
As we previously reported, on November 14, 2017, the Federal Circuit affirmed the Southern District of Florida’s finding of non-infringement in Amgen v. Apotex. In that case, Amgen asserted the ’138 patent against Apotex...more