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Jonathan Cohen QC

Jonathan Cohen QC

Silk: 2016 | Call: 1999

Queen's Counsel

“Jonathan Cohen QC is very calm and authoritative, and his advocacy is very smooth.”

Chambers Global 2020, Commercial Dispute Resolution

“Very persuasive and sharp in court.”

Chambers & Partners 2020, Commercial Dispute Resolution

"Very bright, very hard-working and completely fearless. He's just outstanding and goes from strength to strength.”

Chambers & Partners 2020, Employment Law)

“Extremely technically adept, a deep strategic thinker and he has your back throughout the case.”

Legal 500 2020, Partnership

Jonathan Cohen QC

“Jonathan Cohen QC is very calm and authoritative, and his advocacy is very smooth.”

Chambers Global 2020, Commercial Dispute Resolution

“Very persuasive and sharp in court.”

Chambers & Partners 2020, Commercial Dispute Resolution

"Very bright, very hard-working and completely fearless. He's just outstanding and goes from strength to strength.”

Chambers & Partners 2020, Employment Law)

“Extremely technically adept, a deep strategic thinker and he has your back throughout the case.”

Legal 500 2020, Partnership

Contact

A QC at just 38 years old, Jonathan Cohen has built his reputation on being an outstanding cross-examiner and is often brought in to address difficult cases turning on disputed evidence of fact. He is listed by Chambers & Partners as a leading commercial dispute resolution and employment silk and also elsewhere for partnership and civil fraud. In Chambers & Partners 2020, he is described as “very persuasive and sharp in court” and “bright, very hard-working and completely fearless. He’s just outstanding and goes from strength to strength.

Jonathan has a crossover commercial dispute resolution, partnership and employment practice almost exclusively consisting of heavyweight High Court litigation and claims involving breach of fiduciary duty, dishonesty or fraud. His employment experience as a junior barrister, when he was twice nominated as Chambers & Partners employment junior of the year, gives him a unique understanding of the issues raised in civil claims for breach of duty against senior executives, directors and partners. He is frequently instructed in Russian and Asian work; he acted for a number of defendants in the Mukhtar Ablyazov Kazakh banking fraud litigation, for Eurasian Natural Resources Corporation in their high-profile action against a former director for breach of fiduciary duty and in the Court of Appeal for Optaglio, a technology venture owned by a wealthy Russian investor, in a claim against its former directors

Highlights of his practice in 2019 and 2020 include appearing:

  • In the Business & Property Courts and the Court of Appeal for the De-Pury family in a claim for commission on the sale of the most expensive painting ever sold on the private art market, and defending against allegations of breach of fiduciary duty. The trial and the appeal, in which he was successful, were reported in press throughout the world.
  • In the Queen’s Bench Division and the Court of Appeal for Mandy Gray, a wealthy divorcee, defending against a claim by her former boyfriend for a half share of her considerable assets, and seeking an anti-suit injunction to prevent proceedings being brought in New Zealand. The Court of Appeal have referred the question of whether Ms Gray has a right to be sued only in England to the European Court of Justice. The claim was reported throughout the international press.
  • In the Business & Property Courts for Domestic & General, the household name appliance insurer, in ongoing fraud litigation against rogue traders.
  • In the Commercial Court for Walgreens Boots Alliance in a claim against Avon Cosmetics Inc, seeking injunctive relief to prevent the Chief Financial Officer moving from the former to the latter.
  • In an LCIA arbitration for the Richard Green Gallery, defending against a claim that paintings were sold to wealthy purchasers by fraudulent misrepresentations.
  • In confidential partnership proceedings for an international law firm, defending against proceedings for breach of duty.
  • In a Swiss ICC arbitration for wealthy French investors, seeking damages for a large property fraud perpetrated in London.
  • As an expert witness to the courts of the Marshall Islands in English civil procedure in the Akhmedova v Akhmedov divorce.
  • For a leading London private equity fund, seeking $100 million of damages for breach of an introduction agreement.
  • For a former partner of Deloitte LLP, seeking injunctive relief to enforce rights in the LLP members’ agreement. The claim failed at first instance and an appeal is to be heard in the Court of Appeal in October 2020
  • For an actress whose anonymity has been ordered by the Court in a claim against Harvey Weinstein and former directors of the Weinstein Company. The case is to be heard in the Court of Appeal in late 2020.

Jonathan has a reputation for combining powerful advocacy with strong legal skills and a commercial and cost sensitive approach to litigation.

Commercial & Civil Fraud

Restrictive Covenants, Confidentiality and High Court Employment Claims

Partnership

Art

Statutory Employment Claims

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