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?
Nature of the Case and Issue(s) Presented: Salix holds NDAs for 200mg and 550mg Xifaxan. The 550mg strength product was approved to treat irritable bowel syndrome with diarrhea (“IBS-D indication”) and hepatic encephalopathy...more
Nature of the Case and Issue(s) Presented: FDA refused to approve Liquidia’s drug product, Yutrepia because another company, UTC, maintained marketing exclusivity. Liquidia sued FDA, and UTC intervened. The court granted...more
Under a new U.S. Patent and Trademark Office (“USPTO”) policy issued in March 2025, pre-institution inter partes review (“IPR”) proceedings are now bifurcated, consisting of a first phase in which the director considers...more
On May 21, 2025, the Federal Trade Commission (FTC) renewed its efforts to challenge pharmaceutical manufacturers that have allegedly listed patents improperly in the Food and Drug Administration’s (FDA) publication of...more
Under a new U.S. Patent and Trademark Office ("USPTO") policy issued in March 2025, pre-institution inter partes review ("IPR") proceedings are now bifurcated, consisting of a first phase in which the director considers...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
The Federal Circuit recently considered the scope of a permanent injunction that prohibited a drug manufacturer from conducting certain clinical and regulatory activities in Jazz Pharmaceuticals, Inc. v. Avadel CNS...more
On May 21, 2025, the Federal Trade Commission (FTC) issued its third round of warning letters – and its first under the Trump administration – against pharmaceutical manufacturers for allegedly improper listing of patents in...more
The Federal Trade Commission (FTC) is continuing to pursue pharmaceutical manufacturers for allegedly improperly listing patents in the “Orange Book,” delaying the entry of generic drug competitors. On May 21, the FTC...more
On May 21, 2025 the Federal Trade Commission (FTC) issued renewed warning letters to five companies regarding over 200 allegedly improperly-listed patents in the Food and Drug Administration (FDA)’s Orange Book. Announcing...more
In the last years of the Biden Administration, the Federal Trade Commission issued a policy statement and sent letters to ten companies having Orange Book-listed patents claiming devices for administering drugs challenging...more
Key Takeaways - The Federal Trade Commission (FTC), now under Republican leadership, has continued its scrutiny of Orange Book listings for device patents, signaling bipartisan concern over potential anti-competitive...more
The Federal Circuit affirmed a District Court decision that the label for a generic drug obtained from an ANDA would not induce infringement by reciting optional drug storage conditions the read on the NDA holder's Orange...more
The Patent Term Extension (PTE) provisions of 35 U.S.C. § 156 compensate pharmaceutical patent owners for time they are not able to enjoy commercial market exclusivity because their products are not yet approved by the U.S....more
Attend ACI's 21st Annual Conference on Paragraph IV Disputes and join leaders from brand and generic pharmaceutical companies, renowned outside counsel, esteemed members of the judiciary, government, and academia to: -...more
In a precedential opinion issued on March 6, the Federal Circuit affirmed the US District Court for the Eastern District of Virginia that the claims in ImmunoGen’s US patent application 14/509,809 (“the ’809 application,”...more
Late last year we reported on the United States Court of Appeals for the Federal Circuit decision holding that certain device patents should not have been listed in the FDA’s Orange Book since the claims of the patents in...more
In our previous articles, we reported that the Federal Circuit affirmed the district court’s decision on December 20, 2024 ordering Teva Pharmaceuticals (“Teva”) to delist certain patents related to Teva’s ProAir® HFA...more
In October 2023, Teva Pharmaceuticals filed a patent infringement lawsuit against Amneal Pharmaceuticals alleging that their generic version of Teva’s ProAir® HFA inhaler infringed upon the asserted claims of U.S. Patent Nos....more
This chart summarizes the case name, presiding judge, drug, and patents-at-issue in all federal district court cases that are filed pursuant to the Hatch-Waxman Act. It also includes the same information for proceedings...more
Appellate courts issued a variety of notable intellectual property (IP) cases in 2024, including cases touching on Orange Book listings, extraterritoriality, willful infringement, design patent obviousness, and public...more
In our previous article, we reported that the Federal Circuit affirmed the district court’s decision requiring Teva to delist certain patents related to its Teva’s ProAir® HFA metered-dose inhaler from the FDA’s Orange...more
Precedential and Key Federal Circuit Opinions - TEVA BRANDED PHARMACEUTICAL PRODUCTS R&D, INC. v. AMNEAL PHARMACEUTICALS OF NEW YORK, LLC [OPINION] (2024-1936, 12/20/2024) (Prost, Taranto, Hughes) - Prost, J. The...more
In Teva Branded Pharmaceutical Products R&D, Inc. v. Amneal Pharmaceuticals of New York, LLC, the Federal Circuit jumped on the bandwagon of scrutinizing the types of patents that can be listed in the Food & Drug...more
The US Court of Appeals for the Federal Circuit affirmed a district court’s delisting of patents from the Orange Book because the patent claims did not “claim the drug that was approved” or the active ingredient of the drug...more