

Litigation
Allen & Overy has a large and diverse Litigation practice renowned for its expertise in high-value, complex cases that are frequently cross-border in nature.
Our global practice is recognised for protecting clients’ interests across the full range of contentious issues that a multinational business may encounter, whether we are handling complex international issues or local matters. We handle the full range of corporate and commercial disputes, including competition and antitrust litigation, employment litigation, bankruptcy and insolvency, class actions, insurance litigation, securities litigation and issues arising from corporate transactions. We also have extensive experience handling contentious regulatory proceedings, investigations and criminal matters.
A&O’s leading litigators work seamlessly in integrated teams with our transactional and advisory colleagues, providing in-depth market expertise and product knowledge that gives clients an edge in disputes and enables us to pre-empt and protect against potential risks to their businesses.
Our main priority is to resolve disputes quickly and effectively with as little disruption to business as possible. We can handle any contentious issue, wherever in the world it may occur, and we can advise on regulatory investigations and criminal matters involving bribery and corruption, cartels and antitrust, fraud, data and cybersecurity breaches and tax, among other areas.
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International Arbitration Review
Recent developments and emerging trends in international arbitration law and policy
News and insights

Publications: 09 August 2023
Resolving disputes in the new digital world
While there continues to be debate on whether the metaverse is the new world and whether one day we will all become avatars, owning and “carrying” our assets and possessions while traveling around…

Blog Post: 07 August 2023
District court decision invalidating claims as inherently anticipated upheld by Federal Circuit
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Publications: 25 July 2023
Last remaining counts of insider trading case to be dismissed - Robert Olan fully exonerated
Today, the Department of Justice (DOJ) agreed to dismiss the last remaining counts of an insider trading case they charged against Robert Olan and others in 2017. After a split verdict at trial,…

Publications: 14 July 2023
Ripple Labs: long-awaited decision answers some questions but gives rise to further uncertainty
In SEC v. Ripple Labs, the U.S. Securities and Exchange Commission (“SEC”) alleges that Ripple Labs, Inc. and two of its executives raised over $1.3 billion through an unregistered and ongoing digital…
Recognition
Allen & Overy are my preferred disputes lawyers. They have significant disputes experience in the local jurisdiction and have the added benefit of extensive international arbitration experience through their regional offices – this provides a unique offering.
Chambers Global-wide 2020, Dispute Resolution
They are really excellent for international disputes. In major arbitrations and major international disputes, I would feel more comfortable with them because they have many offices which have excellent partners and associates.
Chambers Global-Wide 2019, Dispute Resolution
Exceptional firm with an extensive global presence.
Chambers Global 2018, Global-wide Dispute Resolution
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Compact contract - a brief look at topical issues in contract law
A blog where experts from Allen & Overy analyse the latest contract law themes and developments, and what they mean for your business.