17191 contract law hiring of intellectual work power of court to reduce excessive payments advocates fee Civil Code Volume 1 contract law hiring of intellectual work advocates Federal supreme court of Ethiopia cassation decisions በአንዲንዴ ውልች የተመሇከተን የአገሌግልት ክፌያ መጠን ሇመቀነስ ፌ/ቤት ስሊሇው ስሌጣንየፌ/ብ/ህ/ቁ. 1711 1731 1676(2) 2635 264ዏ 2646 Cassation decision no. 17191 '