source:Source: https://euipo.europa.eu/tunnel-web/secure/webdav/guest/document_library/contentPdfs/law_and_practice/trade_marks_practice_manual/WP_1_2017/Part-C/02-part_c_opposition_section_2/part_c_opposition_section_2_chapter_4_comparison_of_signs/TC/part_c_opposition_section_2_chapter_4_comparison_of_signs_tc_fr.pdf
