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 August 19, 2025, the U.S. Court of Appeals for the Federal Circuit issued an opinion affirming the U.S. District Court for the Eastern District of Louisiana’s grant of summary judgment that claims of Wilco Marsh Buggies &...more
In a significant blow to Apple, the Federal Circuit recently vacated a summary judgment of noninfringement in the case of Taction Technology, Inc. v. Apple Inc. The dispute centers on Taction’s U.S. Patent Nos. 10,659,885 and...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
A Northern District of California judge recently granted a motion to reconsider his summary judgment ruling that defendant was barred from raising certain “device art” due to IPR estoppel under 35 U.S.C. § 315(e)(2). In the...more
Prosecution history estoppel may narrow the scope of a claim that was unamended during prosecution, if another closely related claim is amended or cancelled during prosecution....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
Optis Cellular Tech., LLC v. Apple Inc., No. 22-1925 (Fed. Cir. June 16, 2025) - Over a decade ago, the U.S. Supreme Court arguably made it easier to invalidate a patent for claiming nonpatentable abstract ideas when it...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
Egenera, Inc. v. Cisco Systems, Inc., No. 2023-1428 (Fed. Cir. (D. Mass.) July 7, 2025). Opinion by Stark, joined by Prost and Taranto. Egenera owns a patent related to improved systems and methods for deploying and...more
One year has passed since the Court of Appeals for the Federal Circuit made its landmark decision in LKQ Corp. v. GM Global Tech. Operations LLC, which overruled the longstanding Rosen-Durling test for determining design...more
The US Court of Appeals for the Federal Circuit affirmed a district court’s finding of noninfringement, concluding that the patent owner had improperly raised a claim construction issue for the first time on appeal – an...more
On July 9, 2025, Judge J. Paul Oetken (S.D.N.Y) found that collateral estoppel barred plaintiff Linfo IP, LLC from relitigating the validity of its asserted patent and dismissed Linfo’s infringement claims against Aero...more
On June 16, in Optis Cellular Technology v. Apple Inc., the Federal Circuit issued a decision reversing the district court on multiple grounds, including § 101 patent eligibility and trial procedure, in vacating infringement...more
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. v. Sirius XM Radio Inc., No. 2023-2267 (Fed. Cir. (D. Del.) June 9, 2025). Opinion by Lourie, joined by Dyk and Reyna....more
In a decision underscoring the distinct standards governing enablement under §§ 102 and 112, the US Court of Appeals for the Federal Circuit affirmed the Patent Trial & Appeal Board’s finding that a prior art reference was...more
The US Court of Appeals for the Federal Circuit reversed a district court’s summary judgment grant based on an equitable estoppel defense, finding that the accused infringer failed to show that the patent owner’s silence or...more
Mitek Systems Inc. v. United Services Automobile Association, Appeal No. 2023-1687 (Fed. Cir. June 12, 2025) In our Case of the Week, the Federal Circuit examined the limits of declaratory judgment jurisdiction for a...more
On May 16, 2025, the Court in Case No. 1:21-cv-01478 (D. Del.) granted bluebird bio’s motion for summary judgment, finding that its gene therapy Zynteglo® (betibeglogene autotemcel) does not infringe San Rocco Therapeutics‘...more
The US Court of Appeals for the Federal Circuit recently affirmed a summary judgment of no design patent infringement in North Star Tech. Int’l Ltd. v. Latham Pool Products, Inc., ruling that the patented and accused pool...more
Your Package Could Not Be Delivered – District of Delaware Strikes Electronic Storage Room Claims as Patent Ineligible - Judge Choe-Groves of the United States Court of International Trade granted Defendant’s Motion to...more
Mr. Storms, an individual with significant experience with Bitcoin mining, is the founder and sole employee of BearBox LLC. Mr. McNamara and Dr. Cline co-founded Lancium in November 2017 with the intention of co-locating...more
In Steuben Foods Inc. v. Shibuya Hoppmann Corporation, the Federal Circuit addressed the boundaries a district court may impose on experts by deeming their testimony wrong as a matter of law. Background - Steuben Foods...more
If your company has just been named in a patent infringement lawsuit, you may be facing an unfamiliar and high-stakes process. Patent litigation is unlike most commercial disputes—it involves complex legal standards, highly...more
One year ago today, the en banc Federal Circuit decided LKQ Corporation v. GM Global Technology Operations LLC, where it overturned the decades-old Rosen-Durling test for obviousness of a design patent for being “improperly...more
In a February 10, 2025 order, the Federal Circuit Court of Appeals rejected the application of the collateral estoppel doctrine to patent claims asserted in a district court infringement action where other claims in the same...more