US politicians have reintroduced a bill that would force patent trolls who sue and lose to cover defendants' legal costs. The SHIELD Act 2013 – an acronym for Saving High-Tech Innovators from Egregious Legal Disputes – was introduced by Representatives Jason Chaffetz of Utah (right) and Peter DeFazio of Oregon. The bipartisan bill, which was originally proposed last year, aims to prevent patent trolls from abusing the court system. In many countries, such as the UK, whichever party loses a case is typically ordered to pay the winner's legal fees. In the US, however, unless a judge decides that an egregious abuse of the system has occurred, each side generally covers its own bills. Since defendants know they will probably have to cover their costs even if they win a case, patent trolls use the high price of litigation as leverage to negotiate settlements.