▁by ▁c oven ant , ▁for ▁a ▁period ▁of ▁ 3 0 ▁years ▁after ▁his ▁death . ▁In ▁the ▁absence ▁of ▁such ▁he irs ▁or ▁a ▁transfer ▁by ▁c oven ant , ▁the ▁Ministry ▁of ▁Culture ▁and ▁Arts ▁will ▁hold ▁the ▁rights ▁for ▁public ▁use ▁for ▁the ▁same ▁period ▁of ▁time . ▁In ▁July ▁ 2 0 1 0 , ▁the ▁Iran ian ▁Parliament ▁( M aj lis ) ▁modified ▁the ▁country ' s ▁copy right ▁law , ▁grant ing ▁authors ▁or ▁cre ators ▁of ▁an ▁original ▁work ▁permanent ▁right ▁to ▁copy , ▁dist ribute ▁and ▁adapt ▁the ▁work . ▁ ▁Tra dem arks ▁Types ▁and ▁duration : ▁A ▁tra dem ark ▁may ▁be ▁registered ▁for ▁ten ▁years , ▁renew able ▁in def initely ▁for ▁additional ▁ten - year ▁periods . ▁ ▁Leg al ▁effect : ▁Reg istration ▁gives ▁an ▁owner ▁the ▁exclusive ▁right ▁to ▁use ▁a ▁tra dem ark ▁on ▁the ▁goods ▁for ▁which ▁the ▁tra dem ark ▁is ▁registered . ▁The ▁owner ▁may ▁prevent ▁other ▁parties ▁from ▁using ▁the ▁tra dem ark ▁on ▁compet ing ▁products . ▁ ▁Any ▁tra dem ark , ▁whether ▁already ▁registered ▁or ▁being ▁presented ▁for ▁registration , ▁may ▁be ▁cont ested ▁by ▁the ▁person ▁who ▁ 0 c laim s ▁that ▁it ▁belongs ▁to ▁him , ▁or ▁that ▁the ▁res embl ance ▁is ▁so ▁close ▁that ▁it ▁may ▁mis le ad ▁the ▁consumer . ▁ ▁Any ▁opposition ▁to ▁the ▁registration ▁of ▁a ▁tra dem ark ▁on ▁the ▁grounds ▁of ▁prior ▁use ▁or ▁close ▁res embl ance