ECADF | (Africa News) — Ethiopia government is set for a legal battle in respect of patent rights for teff – an African grass economically important as a cereal grass. Teff, famed for yielding white flour of good quality is at the center of a patent war between the government and a Dutch company.Speaking on the issue, Ftism Arega; a former Chief of Staff of the Prime Minister and Commissioner of the Ethiopian Investment Commission wrote on Twitter: “I looked into the Teff patent issue.