[JURIST] The Department of Justice (DOJ) [official website] on Friday filed an amicus curiae brief [text, PDF] in the US Court of Appeals for the Federal Circuit [official website] revising the government’s stance on patenting isolated genetic material, including human genes. The position represents a significant departure from established policy, which has permitted the Patent and Trademark Office [official website] to grant patents for isolated genes. The government argues that DNA is a product of nature and thus unpatentable "because…