TPP trade deadlock: Japan leans on US to break impasse

Trans-Pacific Partnership countries oppose US push to set a longer period of exclusivity for pharmaceutical companies who develop biological drugs Japan called on the US to find a way to break a deadlock over protections for next-generation medicines on Saturday, as talks on a sweeping trade pact were extended for another 24 hours.Negotiators were up all night trying to broker a deal on the 12-nation Trans-Pacific Partnership, which will create a free trade zone covering 40% of the world economy