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Wolf Greenfield’s New Shareholders
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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
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The Federal Circuit recently issued a precedential decision in Shockwave Med., Inc. v. Cardiovascular Sys., Inc. (CSI), affirming-in-part and reversing-in-part the Patent Trial and Appeal Board’s (PTAB) decision, and...more
Received wisdom is that inter partes review proceedings are limited to prior art as defined by patents and printed publications. But in recently decided Shockwave Medical, Inc. v. Cardiovascular Systems, Inc., another prior...more
The U.S. Patent and Trademark Office (“USPTO”) Acting Director’s recent decision to deny institution of inter partes review (“IPR”) in iRhythm Technologies Inc. v. Welch Allyn Inc. offers valuable lessons for both patent...more
Be careful of showing your claimed inventions at tradeshows. On February 15, 2023, the Federal Circuit (“CAFC”) affirmed a summary judgment ruling that, by merely showcasing an embodying device at an industry event (the...more
Below are highlights from the Rx IP’s team’s 2022 updates (see also our Top 10 Rx IP Update Reads of 2022): Contents: 1. Patent decisions on the merits 2. PMNOC Regulations: Fifth-year anniversary of major amendments,...more
For most of us, we’re stuck in the August heat, on delayed European vacations, or hopefully just hanging out at the beach. But for the Court it still was work as usual, including a return trip to the Federal Circuit for the...more
A medical device patentee has asked the U.S. Supreme Court to save his design patent, related to an introducer sheath handle, from invalidity based on application of the “on-sale” bar, which prohibits patenting an invention...more
On October 5, 2021, the U.S. Federal Circuit reversed a finding of invalidity by the Patent Trial and Appeal Board (PTAB) for patent claims related to an “artificial valve for repairing a damaged heart valve.” ...more
The U.S. Supreme Court recently decided a case resolving a patent dispute between two medical device companies, Hologic, Inc. and Minerva Surgical. The opinion was closely watched because it raised the question of whether an...more
The Supreme Court’s recent decision in Minerva Surgical Inc. v. Hologic, Inc. has drastically limited the doctrine of assignor estoppel, requiring patent practitioners to reconsider assignment and other contractual provisions...more
The doctrine of assignor estoppel bars an inventor who assigns a patent to a third party from later arguing that the assigned patent is invalid. The Supreme Court has now upheld this doctrine but has limited its scope,...more
The Supreme Court clarified the doctrine of assignor estoppel in its June 29th Minerva v. Hologic opinion. In doing so, the Court vacated the Federal Circuit’s opinion estopping Minerva from arguing that Hologic’s patent is...more
On June 29, 2021, the Supreme Court published its divisive opinion in Minerva Surgical, Inc. v. Hologic, Inc., Et. Al. The 5-4 decision penned by Justice Kagan upheld the centuries-old doctrine of Assignor Estoppel, while...more
The U.S. Supreme Court’s June 29 decision in Minerva Surgical, Inc. v. Hologic, Inc. has important implications for inventors who assign patent rights, employers to whom employees assign patent rights, other assignees, and...more
In a decision reaching all corners of the technology sector, the U.S. Supreme Court on June 29, 2021 held that, when fairness requires, a patent inventor can contest a patent's validity after assigning it to a third party....more
Rooted in the principle of fairness, the doctrine of assignor estoppel generally prevents an inventor, who had previously assigned their patent rights to another for value, from later contesting the validity of the assigned...more
The Supreme Court, speaking through a five-justice majority, has reaffirmed the equitable principle of assignor estoppel while at the same time limiting its application in Minerva Surgical, Inc. v. Hologic, Inc. Assignor...more
On June 29, 2021, the Supreme Court clarified the “boundaries” of the patent-law doctrine of assignor estoppel in Minerva Surgical, Inc. v. Hologic, Inc., 594 U.S. (2021). The Court, in Westinghouse Elec. & Mfg. Co. v....more
On June 29, 2021, the Supreme Court limited the doctrine of assignor estoppel that has long prevented inventors from challenging the validity of patents they have assigned to a third party. ...more
On June 29, the Supreme Court issued a 5-4 decision in Minerva Surgical, Inc. v. Hologic, Inc., No. 20-440 (June 29, 2021) (slip opinion). Minerva involves a challenge to the “assignor estoppel” doctrine, which is an...more
The Supreme Court upheld assignor estoppel in Minerva Surgical, Inc. v. Hologic, Inc., et al. but held that the Federal Circuit “failed to recognize the doctrine’s proper limits.” In doing so, the Court imposed new...more
MINERVA SURGICAL, INC. v. HOLOGIC, INC., et al. - Supreme Court of the United States. Opinion of the Court written by Justice Kagan. Justice Alito filed a dissenting opinion. Justice Barrett filed a dissenting opinion,...more
The judicially-derived patent-law doctrine of “assignor estoppel” prevents an inventor from assigning a patent to another for value and then later arguing in litigation that the patent is invalid. In Minerva Surgical Inc. v....more
The Supreme Court of the United States upheld the validity of doctrine of assignor estoppel but concluded that the US Court of Appeals for the Federal Circuit failed to recognize the boundaries of the doctrine. Minerva...more
Patent law is replete with arcane (and often judge-made) doctrines, such as the doctrine of equivalence and obviousness-type double patenting. In addition, long having been considered a property right (Oil States to the...more