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US Supreme Court: Judgment in Smith & Wesson Brands, Inc. et al. v. Estados Unidos Mexicanos (Mexico) – A few takeaways
Written by Mayela Celis, Maastricht University
In June 2025, the US Supreme Court delivered its opinion in Smith & Wesson Brands, Inc. et al. v. Estados Unidos Mexicanos (Mexico) 605 U.S. 280 (2025). The Opinion is available here. We have previously reported on this case here, here and here (on the hearing).
As previously indicated, this is a much-politicized case brought by Mexico against US gun manufacturers, alleging inter alia negligence, public nuisance and defective condition. The basic theory laid out was that defendants failed to exercise reasonable care to prevent the trafficking of guns to Mexico causing harm and grievances to this country. In this regard, the complaint focuses on aiding and abetting of gun manufacturers (rather than of independent commission).
In a brilliant judgment written by Justice Kagan, the Court ruled that PLCAA bars the lawsuit filed by Mexico. Accordingly, PLCAAS’s predicate exception did not apply to this case. Read more
French Supreme Court upholds asymmetric jurisdiction clauses in Lastre follow-up
by Jean-Charles Jais, Guillaume Croisant, Canelle Etchegorry, and Alexia Kaztaridou (all Linklaters)
On 17 September 2025, the French Cour de cassation handed down its decision on the Lastre case. This followed a landmark preliminary ruling of February 2025 from the CJEU, which laid out the conditions for a valid asymmetric jurisdiction clause under article 25 of the Brussels I recast regulation.
Asymmetric jurisdiction clauses allow one party to initiate proceedings in multiple courts or any competent court, while the other party has fewer options or is restricted to a specific jurisdiction. Such clauses are common in financial agreements (read more in our previous blog post here).
In the latest development of the Lastre case in France, the French Supreme Court opted for a pro-contractual autonomy stance, favouring the validity of asymmetric jurisdiction clauses.
Using Foreign Choice-of-Law Clauses to Avoid U.S. Law
Can private actors utilize choice-of-law clauses selecting the laws of a foreign country to avoid laws enacted by the United States? In this post, I argue that the answer is a qualified yes. I first examine situations where the U.S. laws in question are not mandatory. I then consider scenarios where these laws are mandatory. Finally, the post looks at whether private parties may rely on foreign forum selection clauses and foreign choice-of-law clauses—operating in tandem—to avoid U.S. law altogether.
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News
Widiez on Specialisation of Private International Law
Gaëlle Widiez (Bourgogne University) has recently edited a volume entitled The Specialization of Private International Law: Reflections from the Perspective of Business Law (La spécialisation du droit international privé : Réflexion dans le champ du droit des affaires), published by LexisNexis. Read more
Virtual Workshop (in German) on January 13, 2026: Jens Kleinschmidt on “Zehn Jahre Europäische Erbrechtsverordnung – Stand und Perspektiven”
On Tuesday, January 13, 2026, the Hamburg Max Planck Institute will host its monthly virtual workshop Current Research in Private International Law at 11:00 a.m. – 12:30 p.m. (CEST). Jens Kleinschmidt (Trier University) will speak, in German, about the topic
“Zehn Jahre Europäische Erbrechtsverordnung – Stand und Perspektiven”
Seit zehn Jahren bestimmt die Europäische Erbrechtsverordnung die Planung und Abwicklung grenzüberschreitender Erbfälle in der EU. Eine Überprüfungsklausel (Art. 82 EuErbVO) sieht nach diesem Zeitraum einen Bericht über die Anwendung der Verordnung vor. Dies nimmt der Vortrag zum Anlass, aufbauend auf den Erfahrungen mit dem Rechtsakt über Zukunftsperspektiven nachzudenken. Den Ausgangspunkt bildet dabei das Europäische Nachlasszeugnis, dessen effet utile in der Rechtsprechung des EuGH wiederholt die Auslegung der gesamten Verordnung geleitet hat.
The presentation will be followed by open discussion. All are welcome. More information and sign-up here.
If you want to be invited to these events in the future, please write to veranstaltungen@mpipriv.de.
Revisiting the Internationality of Contracts: Conference in Paris, 9 February 2026
The international character of contracts is currently undergoing significant transformations. Whether deliberately chosen by the parties, rejected by domestic courts, endured in certain regulatory contexts, or even rendered obsolete, the notion of internationality – long considered a cornerstone of private international law – calls for renewed analysis. Against this background, a conference entitled “Revisiting the Internationality of Contracts” will be held on Monday, 9 February 2026 from 9:00 a.m. to 6:00 p.m. in the Grand Chamber of the French Court of Cassation.