Bitcoin business incubator CoinLab has reportedly filed a 1.7 trillion JPY ($16 billion) claim against the now-defunct cryptocurrency exchange Mt. Gox, according to an alleged photo of the filing document posted on Reddit on Feb. 1. As Cointelegraph reported in its Mt. Gox recap in March last year, in 2013, CoinLab, a former business partner of the exchange, sued the company for $75 million, claiming breach of contract. The contract stipulated that CoinLab would take over the American customers of Mt. Gox, but it never happened. Photograph of alleged CoinLab Mt. Gox claim. Source: Reddit Some in the cryptocurrency community …