It’s no secret that successful non-banking billion-dollar deals – whether friendly tender offers or hostile bids – are going the way of the dodo given the turmoil in the world’s financial markets. Which law firm tops our list of dead deals of the past week?

Surprisingly, it’s Wachtell Lipton Rosen & Katz, a traditional leader in high-end transactional work. On Monday the firm saw two deals go belly-up: United Technologies’s $2.6bn (£1.5bn) offer for ATM manufacturer Diebold and Vishay Intertechnology’s $1.7bn (£1bn) bid for California-based semiconductor producer International Rectifier.