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Sub practice

Class Actions and Group Litigation

We have seen a significant number of class action claims arising from alleged securities law violations, misselling in the financial services sector, shareholder activism, antitrust follow-on damages and bankruptcy cases.

We offer our clients a significant and competitive advantage in this area through our global footprint – we have experience in virtually every significant jurisdiction in handling and resolving class actions. Experience shows that this global footprint can be very effective for our clients as the risk of class actions spreads across Europe and elsewhere. Our team consists of litigation, securities, competition and other experts from across our global practice.

News & insights

News: 10 DECEMBER 2019

Artificial intelligence is the most significant risk to businesses globally, according to directors

When asked about global risks affecting their businesses, nearly three fifths (58%) of directors stated that technological advances (artificial intelligence and machine learning) are the most significant threat. This is according to the seventh annual Directors’ Liability report by international law firm Allen & Overy, in conjunction with Willis Towers Watson (NASDAQ: WLTW), the global risk advisory and insurance broker.

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Publications: 28 NOVEMBER 2018

Employer vicariously liable for rogue employee’s data breach

An employer was held by the Court of Appeal to be vicariously liable for a rogue employee’s deliberate and criminal disclosure of the personal data of other employees.  This was despite the employee’s aim being to harm the employer – rather than for any personal gain or to injure third parties – and the fact that the employer had not itself breached data protection legislation. The retailer has said it will seek permission to appeal to the Supreme Court: WM Morrison Supermarkets PLC v Various Claimants [2018] EWCA Civ 2339

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Publications: 31 JANUARY 2018

Morrisons vicariously liable for rogue employee’s misuse of personal data

​A landmark ruling in a group action by employees has found Morrisons Supermarket vicariously liable for a deliberate data breach carried out by a rogue employee, out of working hours and at home on a personal computer. The judgment has significant implications for all data controllers (and in the future, data processors) as Morrisons was vicariously liable even though, overall, it had discharged its own obligations as required under the Data Protection Act 1998 (DPA) and common law. This is the first group litigation data breach case to come before the courts, and with the General Data Protection Regulation (GDPR) coming into force in May 2018, employers will be concerned that the finding is an indication of what is to come under the new regime: Various Claimants v Wm Morrisons Supermarket PLC [2017] EWHC 3113 (QB) 2017

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Publications: 31 JANUARY 2018

A round-up of some of the most interesting developments to look out for in 2018 for disputes lawyers

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Compact contract

Wooden jenga blocks scattered across a table

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.

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