In this article, Uchenna Felicia Ugwu examines whether the contemporary regional intellectual property (IP) agreements negotiated by West African countries are more suitable than multilateral agreements to advance food security in the region, based on the provisions they make for applying the differentiation principle
https://www.researchgate.net/publication/353243035_Maximizing_the_differentiation_principle_in_regional_IP_treaties_to_advance_food_security_Limitations_in_West_Africa’s_regional_IP_and_trade_regime