The firm has identified seven criteria: individual performance, business, sickness (!), disciplinary record, versatility, contribution and potential.
Details were hammered out last week after consultation with the firm’s 13 employee representatives.
As for redundancy packages, associate salaries will continue up until the end of May, with the firm paying individuals up to three and a half weeks per completed year of service up to a maximum lump sum of 52 weeks.
The firm will additionally award staff an additional discretionary lump sum depending on seniority.
Recently DLA Piper attorneys were angered when that firm announced it was using illness as a criterion for layoffs.
Founded in 1930, Allen & Overy has approximately 5,500 staff and 31 offices worldwide. It is part of the Magic Circle of London-based law firms.