Tags Intellectual Property Agency of Viet Nam Ngoc Linh gets to the root of expansion Wednesday, Aug 08, 2018 The Intellectual Property Agency of Viet Nam, under the ministry of science and technology, has expanded recognition of the Geographical Indication (GI) of Ngoc Linh’ for ginseng root products grown in 15 communes of Quang Nam and Kon Tum Provinces. Vietnamese ginseng recognised as National Brand Monday, Jun 05, 2017 Ngoc Linh ginseng, grown both in Nam Tra My district in Quang Nam Province and the central highlands Kon Tum, has named a National Brand.