| Subject | English | Spanish |
| patents. | by common law | de derecho civil |
| patents. | by common law | de derecho privado |
| gen. | Common European Sales Law | normativa común de compraventa europea |
| law, engl. | common law | common law |
| law | common law | derecho jurisprudencial |
| real.est. | common law | derecho común |
| law | common law | derecho consuetudinario |
| patents. | common law | derecho civil |
| law | common law offence | falta común |
| tax. | common law taxation | sistema tributario de derecho común |
| law | Common programme for the exchange and training of, and cooperation between, law enforcement authorities | Programa común para el intercambio, formación y cooperación de las autoridades policiales y aduaneras |
| law, ed. | Common Programme for the exchange and training of, and cooperation between, law enforcement authorities | programa común para el intercambio, la formación y la cooperación de las autoridades policiales y aduaneras |
| law | common programme for the exchange and training of,and cooperation between,law enforcement authorities | programa Oisin |
| law | common programme for the exchange and training of,and cooperation between,law enforcement authorities | programa común para el intercambio,la formación y la cooperación de las autoridades policiales y aduaneras |
| law | common rules on competition, taxation and approximation of laws | normas comunes sobre competencia,fiscalidad y aproximación de las legislaciones |
| gen. | common rules on competition, taxation and approximation of laws | normas comunes sobre competencia, fiscalidad y aproximación de las legislaciones |
| ed. | common-law marriage | unión consensual |
| ed. | common-law marriage | matrimonio consensual |
| gen. | Oisin I: Common programme for the exchange and training of, and cooperation between, law enforcement authorities | Oisin I: Programa común para el intercambio, la formación y la cooperación de las autoridades policiales y aduaneras |
| gen. | Oisin I: Common programme for the exchange and training of, and cooperation between, law enforcement authorities | Oisin II: programa de fomento, intercambios, formación y cooperación de las autoridades policiales y aduaneras de los Estados miembros de la Unión Europea |
| fin. | provisions laid down by law, regulation, administrative action or common practice | disposiciones legales, reglamentarias y administrativas o usos |
| patents. | the common system of law shall govern the European patents | este derecho común regirá las patentes europeas |
