At the height of the Covid-19 pandemic, as the world scrambled to get vaccines and treatments over the line, a team of researchers out of Oxford developed a nasal spray that could help treat the virus that was upending the world. Iterations of the spray, with names pHOXWELL and pHOXVEDIC, claimed to prevent the spread of airborne diseases and were run through an Irish-registered company called Raphael Labs Limited. Over the last several months, the company has become entangled in legal disputes in the Irish and English courts that thrust its future into doubt. At the core of the dispute…