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?
Imagine this. You were just served with a Complaint for patent infringement and learn that, some years ago, your competitor was granted a patent giving them a legal monopoly to exclude others, including you, from making,...more
Nature of the Case and Issue(s) Presented: The ’948 patent claims non-sterile drinkable liquid formulations of vancomycin, an antibiotic used to treat Clostridium difficile infection. These formulations are particularly...more
On 25 July 2025, K&L Gates secured an important win for its client, Midas Green Technologies, LLC. Acting USPTO Director Coke Morgan Stewart granted Director review and denied institution of an inter partes review (IPR)...more
IGT v. Zynga Inc., No. 2023-2262 (Fed. Cir. (PTAB) July 22, 2025). Opinion by Taranto, joined by Prost and Reyna. IGT owns a patent related to secured virtual networks in gaming environments. After the patent application was...more
We have covered the LKQ v. GM design patent disputes from the PTAB decision through appeal and en banc rehearing. And now we report on yet another chapter in the saga between these parties....more
On July 21, 2025, District Judge Paul A. Engelmayer (S.D.N.Y.) granted Defendants Teads, Inc., Teads SA, and Teads SARL’s (together, “Teads”) Motion to Dismiss Yieldmo, Inc.’s (“Yieldmo”) Amended Complaint alleging that Teads...more
The International Trade Commission (ITC) is an independent U.S. federal agency that oversees issues including IP enforcement, anti-dumping, and tariffs. A finding of infringement at the ITC can result in exclusion orders and...more
Nature of the Case and Issue(s) Presented: Ozobax is indicated for treatment of spasticity resulting from multiple sclerosis, and particularly flexor spasms and concomitant pain, clonus, and muscular rigidity. While the use...more
On July 16, 2025, Amgen and Accord settled Case No. 1:25-cv-01305 (D.N.J.) / MDL 1:25-md-03138 (D.N.J.) alleging infringement of 34 of Amgen’s patents by Accord’s proposed Prolia® / Xgeva® (denosumab) biosimilar INTP23...more
Case Name: Jazz Pharms., Inc. v. Avadel CNS Pharms., LLC, Nos. 2024-2274, 2024-2277, 2024-2278, 2025 WL 1298920 (Fed. Cir. May 6, 2025) (Circuit Judges Lourie, Reyna, and Taranto presiding; Opinion by Lourie, J.) (Appeal from...more
COLIBRI HEART VALVE LLC v. MEDTRONIC COREVALVE, LLC - Before Taranto, Hughes, and Stoll. Appeal from the United States District Court for the Central District of California. The Federal Circuit reversed a $106 million...more
TOP BRAND LLC v. COZY COMFORT CO. LLC - Before Dyk, Reyna, and Stark. Appeal from the United States District Court for the District of Arizona. Summary: Arguments presented during prosecution of a design-patent application...more
On July 18, 2025, the US Court of Appeals for the Federal Circuit reversed a lower court ruling in Colibri Heart Valve LLC v. Medtronic CoreValve, LLC, holding that prosecution history estoppel barred the patentees’ doctrine...more
Obvious-type double patenting (ODP) has historically served as a tool to prevent patent owners from extending exclusivity beyond the statutory allowed patent term and to tie patent families together during sale. Historically,...more
Prosecution history estoppel typically arises when a claim is rejected during prosecution and is then amended (narrowed) to overcome the rejection. However, in Colibri Heart Valve LLC v. Medtronic CoreValve, LLC, No....more
Many industries rely on design patents to protect the look and feel of their products—especially when aesthetics drive customer interest, brand identity, or market differentiation. In Top Brand LLC v. Cozy Comfort Company...more
The Patent Trial and Appeal Board (PTAB) denied institution of an inter partes review (IPR) brought by Par-Kan Company, LLC against Unverferth Manufacturing Company regarding U.S. Patent No. 8,967,940 (“the ‘940 patent”). ...more
In a July 18 precedential decision in Colibri Heart Valve LLC v. Medtronic CoreValve LLC, the U.S. Court of Appeals for the Federal Circuit overturned a $106 million jury verdict against Medtronic for infringement of a patent...more
The Delhi High Court’s ruling in Dolby International AB & ANR v. Lava International Limited appears to mark a pivotal shift in India’s approach to the enforcement of standard essential patents (SEPs) wherein the High Court...more
The US Court of Appeals for the Federal Circuit reversed a jury’s infringement finding, concluding it was precluded by prosecution history estoppel. Colibri Heart Valve LLC v. Medtronic CoreValve LLC, Case No. 23-2153 (Fed....more
Concluding that the principles of prosecution history disclaimer apply to design patents, the US Court of Appeals for the Federal Circuit reversed a district court’s denial of judgment as a matter of law and entry of a jury...more
On July 16, 2025, the District Court for the District of New Jersey entered a Consent Judgment and Injunction in view of a settlement agreement between Amgen, Inc. (“Amgen”) and Accord BioPharma, Inc. (“Accord”)...more
The Unified Patent Court – a one-stop-shop for European patent litigation – is now two years old. As it enters its third year of operation, we look at the approach that is becoming established in the new system, drawing out...more
The doctrine of equivalents (DOE), a creation of the Supreme Court in Graver Tank & Mfg. v. Linde Air Products (1950), is balanced by the concept of prosecution history estoppel (PHE), the contours of which were delineated...more
Insulet v EOFlow UPC_CoA_768/2024 (Ord_69078/2024) The Unified Patent Court (UPC) Court of Appeal has issued a significant decision that provides important guidance on the interpretation of patent claims in UPC...more