Tom Weisselberg KC

Acting for Alaska Airlines in a case involving the proper construction of a trade mark licensing agreement and issues of US Aviation regulations.

Acted successfully for the Department of Business, Energy and Industrial Strategy in striking out a claim under the Human Rights Act 1998 relating to proposed changes in feed-in tariff scheme in 2011/2012. 

Acted for three Defendants in a fraud claim said by the Claimants to be worth US$1.8 billion, which was later discontinued at trial.

Acting for the Defendant in a trusts claim said by the Claimant to be worth around US$1 billion.  The case is due for trial in April 2024.

Acted for OFCOM in a case concerning the scope of a claim for unjust enrichment under the Woolwich principle and whether it was appropriate to run a counterfactual when deciding whether or not a public authority could retain a fee collected without lawful authority.

Acting for the First Defendant in a claim brought by the Kuwaiti social security fund said by the Claimant to be worth in excess of US$850 million.

Acted for co-trustees in a family trust in successfully (a) resisting their removal as trustees; and (b) securing the removal of their co-trustee.

Acted for the Plaintiff in the Cayman Islands in a claim for Norwich Pharmacal relief in support of attempts to enforce an ICC award for US$1.38 billion.

Acted in the Cayman Court of Appeal in this challenge to the presentation of a winding-up petition based on an alleged debt for work done on Floating Storage and Offloading vessel in the Gulf of Thailand.

Acted for the Defendant in a case based on an alleged oral contract for a €13.5 million share in the sale proceeds of a sports data business.  The contract was allegedly concluded over dinner at Zuma.  After trial, the Judge dismissed the Claimant's claim and held that there was no contract and no claim for quantum meruit.

Acted for a Ukrainian defendant in a US$200 million claim brought by a Russian state owned oil company.  .

Acted for a leading Australian telecommunications to discharge an injunction which restrained it from terminating telecommunications services; after discharging the injunction, immediately applied (to the same Judge) successfully for a Freezing Injunction against the Claimant. 

Acted for Irish Defendants in a claim under section 423 of the Insolvency Act in relation to an alleged transfer at an undervalue of valuable English properties.

Acted for the Government in a high value claim for damages in relation to an alleged breach of Article 1 of the First Protocol to the European Convention on Human Rights. The case was one of The Lawyer's Top Cases for 2018 and settled in January 2018 shortly before the start of a 10 week trial.

Acted for a regulated firm in relation to a challenge to the FCA’s refusal of permission to carry on the regulated activity of debt adjusting and debt counselling.

Tom has also acted for a number of other firms seeking permission from the FCA and recently succeeded before the RDC in obtaining permission for one such firm.

Acted successfully for the Secretary of State for Justice in the Supreme Court resisting a challenge to the enforceability of pre-Jackson regime Conditional Fee Agreements.

Acted against the Financial Conduct Authority for a regulated individual in a case involving traded life insurance bonds.

Acted for Salford Capital Partners in a number of multi-jurisdictional disputes involving questions of BVI partnership law, contractual construction and allegations of breach of duty, computer hacking and breach of confidence.  Appeared in the Privy Council in an appeal as to the proper construction of the articles of association of a BVI partnership.

Acted for HMRC against Bernie and Slavica Ecclestone in a case involving HMRC’s claim that it is entitled to rescind a settlement agreement concluded between it and Mr and Mrs Ecclestone.

Acted for Virgin Media in the Court of Appeal in a case involving section 73 of the Copyright, Designs and Patents Act where the issue before the Court was whether or not the internet = cable.

Acted for the Claimants in a multi-million Euro cartel follow-on damages claim brought by some of the leading European tyre manufacturers.  This was the first cartel follow-on damages claim to come to a substantive hearing in the English Courts.  The case settled at the end of the second week of trial.

Acted for a Defendant in a high value and long-running trial involving allegations of fraud, breach of fiduciary duty, knowing receipt and dishonest assistance.

Acted successfully for the producer of “Monty Python and the Holy Grail” in a claim to rectify an agreement concluded in 1974.  Cross-examined Michael Palin, Eric Idle and Terry Jones.

Acted for the Claimant in resisting an application that Arnold J should recuse himself from hearing a trial in circumstances where he had a past academic connection to an expert witness.

Acted as part of a team for the Defendant in an important case involving allegations of criminality and a claim that the Claimant had a 20% share in Rusal.  Tom was heavily involved in all aspects of the case, with a particular focus on detailed and complex financial evidence (expert and factual).  He travelled frequently to Moscow and liaised with English and Russian accountants.  Tom was due to cross examine a number of witnesses (factual and expert) before the case settled.

Acted for Lufthansa in a claim seeking payment for work done on aircraft engines.

Acted for a co-defendant in an interesting case involving letters of credit and a guarantee.  Judgment handed down in October 2011.  The Court of Appeal granted permission to appeal but, at a contested hearing the Court of Appeal set conditions on the appeal (requiring money to be paid into Court). 

Acted for the Defendant in a claim involving allegations of breach of duty and difficult issues of Djibouti law.

Acted for an intervener, the UK Media Monitoring Agency, in a case in the Copyright Tribunal which concerned the terms on which online newspaper sites can be used by press cuttings agencies.

Acted for corporate Defendants in this high value Kazakh fraud case.

Acted for the defendant, an aircraft manufacturer.  Case concerned issues of contractual construction, choice of law, offer and acceptance, fitness for purpose, implied terms, unfair contract terms and satisfactory quality.

Acted for a number of partnerships in disputes over names and other partnership assets (including the bands Snow Patrol, Duran Duran and the Sugababes). Often asked to advise in relation to the approach to be adopted when valuing partnership assets, including partnership names.  Advised and acted for a number of law firms in disputes between partners and members of LLPs.

Tom acted successfully for one of the Respondents in resisting an application for pre-action disclosure in a dispute involving the horse racing world and the betting industry

Tom acted successfully at trial for defendants who faced a claim involving complicated issues of applicable law, English trust law (including Quistclose trusts) and Swiss law.   

Acted for the Claimants in a high value claim  relating to the provision of “recovery services” to the family of Badri Patarkatsishsvili.

The claim is one of breach of fiduciary duty, breach of confidence and unlawful means conspiracy.  Tom appeared for the Claimants in a four week trial on liability before Cockerill J and then in the Court of Appeal on an appeal against the Judge's findings at the quantum phase. 

Acted for three Defendants in a fraud claim said by the Claimants to be worth US$1.8 billion, which was later discontinued at trial.

Acting for the First Defendant in a claim brought by the Kuwaiti social security fund said by the Claimant to be worth in excess of US$850 million.

Acted for the Plaintiff in the Cayman Islands in a claim for Norwich Pharmacal relief in support of attempts to enforce an ICC award for US$1.38 billion.

Acted for HMRC against Bernie and Slavica Ecclestone in a case involving HMRC’s claim that it is entitled to rescind a settlement agreement concluded between it and Mr and Mrs Ecclestone.

Acted for the Claimants in a high value claim  relating to the provision of “recovery services” to the family of Badri Patarkatsishsvili.

The claim is one of breach of fiduciary duty, breach of confidence and unlawful means conspiracy.  Tom appeared for the Claimants in a four week trial on liability before Cockerill J and then in the Court of Appeal on an appeal against the Judge's findings at the quantum phase. 

Acted for a Ukrainian defendant in a US$200 million claim brought by a Russian state owned oil company.  .

Acted for a leading Australian telecommunications to discharge an injunction which restrained it from terminating telecommunications services; after discharging the injunction, immediately applied (to the same Judge) successfully for a Freezing Injunction against the Claimant. 

Acted for Irish Defendants in a claim under section 423 of the Insolvency Act in relation to an alleged transfer at an undervalue of valuable English properties.

Acted for corporate Defendants in this high value Kazakh fraud case.

Acted for the Defendant in a claim involving allegations of breach of duty and difficult issues of Djibouti law.

Acted as part of a team for the Defendant in an important case involving allegations of criminality and a claim that the Claimant had a 20% share in Rusal.  Tom was heavily involved in all aspects of the case, with a particular focus on detailed and complex financial evidence (expert and factual).  He travelled frequently to Moscow and liaised with English and Russian accountants.  Tom was due to cross examine a number of witnesses (factual and expert) before the case settled.

Acted for a Defendant in a high value and long-running trial involving allegations of fraud, breach of fiduciary duty, knowing receipt and dishonest assistance.

Acted for a regulated firm in relation to a challenge to the FCA’s refusal of permission to carry on the regulated activity of debt adjusting and debt counselling.

Tom has also acted for a number of other firms seeking permission from the FCA and recently succeeded before the RDC in obtaining permission for one such firm.

Acted for a regulated firm in a case concerning the proper construction of the Financial Services and Markets Act (2000) (Regulated Activities) (Amendment) (No 2) Order 2013 and whether a firm would lose its interim permission to carry on regulated activities at the point when the FCA refused an application for authorisation and gave a Decision Notice.

Acted against the Financial Conduct Authority for a regulated individual in a case involving traded life insurance bonds.

Acted successfully for the Band Rudimental in resisting a copyright infringement claim brought in relation to the song "Waiting All Night".

Acted for the screenwriter of the acclaimed film Florence Foster Jenkins in a case involving a claim by his former partner. that she was a co-author of the screenplay.  HHJ Hacon dismissed her claim.  The Court of Appeal allowed an appeal against that judgment and ordered a re-trial.

Acting for Alaska Airlines in a case involving the proper construction of a trade mark licensing agreement and issues of US Aviation regulations.

Tom acted successfully for one of the Respondents in resisting an application for pre-action disclosure in a dispute involving the horse racing world and the betting industry

Acted for the Defendant in a case based on an alleged oral contract for a €13.5 million share in the sale proceeds of a sports data business.  The contract was allegedly concluded over dinner at Zuma.  After trial, the Judge dismissed the Claimant's claim and held that there was no contract and no claim for quantum meruit.