I. Kehoe and T. Lyons

Persona is seeking damages over the awarding of a lucrative mobile phone licence nearly 30 years ago. A new injection of equity from a US backer gives it the financial firepower to see the case out.

Board minutes, memos and legal filings reveal the internal rancour enveloping Swrve, an Irish software firm that raised $125m from Isif, Atlantic Bridge and others. A bitter dispute has now erupted over a deal to save the firm.