Jonathan Amior

At Hausfeld, Jonathan is a pivotal part of the teams:

• Acting for Trappit, the developer of an intelligent flight savings software, against GBT UK, American Express’ Global Travel Division, in claims alleging the misappropriation of the client’s software.
• Representing the Seller of a recruitment business operating in the healthcare sector, defending post-acquisition warranty and indemnity claims in the High Court brought by the private equity buyer (Sonderwell Bidco Limited v Marc Diamond) and pursuing negligence claims against the Seller’s former advisers.
• Representing an international energy developer in Commercial Court proceedings involving a dispute with an international investment bank relating to FX trades under the 2002 International Swaps and Derivatives Association (ISDA) Master Agreement.
• Representing claimants in a significant group action involving retail and professional investors.
• Representing Phelan Energy Group Limited (PEG), in defending a c.$23m claim brought by Macquarie Bank Limited in a dispute involving foreign exchange swap transactions subject to the 2002 International Swaps and Derivatives Association Master Agreement (“ISDA”).

Before Hausfeld, his experience included:

• Acting for the Danish Tax Agency, Skatteforvaltningen, in fraud and misrepresentation claims against over 100 defendants arising from “cum‑ex” dividend arbitrage trading, where withholding tax refunds on dividends were allegedly claimed despite there being no shares or dividends paid. The proceedings were described as “one of the largest and most complex pieces of litigation to be heard in the Commercial Court” (The Lawyer’s Top 20 Cases of 2021).
• Representing a local authority in an expert determination concerning a contractual dispute to an enforce an option to buy land with a developer.
• Defending complex unfair prejudice petitions under s994 of the Companies Act 2006 for a private equity house.
• Acting as part of a s166 Financial Services and Markets Act skilled person team in a major review into the mis-selling of interest rate hedging products by two high-street UK banks.

At Hausfeld, Jonathan is part of the team acting for the proposed class representative in collective proceedings filed against Amazon.com, Inc. seeking damages on behalf of consumers for alleged anticompetitive conduct in relation to Amazon’s ‘Buy Box’.

At his previous firm, Jonathan, was part of the legal teams:

• Acting for a claimant in multiIateral interchange fee claims against Visa and MasterCard.
• Advising a claimant impacted by the auto-parts cartel infringement.
• Advising university clients in relation to claims for an alleged abuse of a dominant position in the market for graduation gowns.