{"id":207,"date":"2026-04-05T07:13:55","date_gmt":"2026-04-04T22:13:55","guid":{"rendered":"https:\/\/www.madrid-system.jp\/?p=207"},"modified":"2026-04-05T10:42:26","modified_gmt":"2026-04-05T01:42:26","slug":"jpo-appeal-case-study-klaus-vs-claus-similarity-refusal-overturned","status":"publish","type":"post","link":"https:\/\/www.madrid-system.jp\/?p=207","title":{"rendered":"JPO Appeal Case Study: \u201cKlaus\u201d vs. \u201cCLAUS\u201d \u2013 Similarity Refusal Overturned"},"content":{"rendered":"\n<p>This case illustrates how the Japan Patent Office (JPO) evaluates similarity when two trademarks share identical pronunciation but differ in spelling.<br>It demonstrates that differences in initial letters and visual impression may outweigh phonetic similarity.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-0\">1. Application Details<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mark:<\/strong> Klaus<\/li>\n\n\n\n<li><strong>Application No.:<\/strong> Japanese Trademark Application <strong>No. 2021-138753<\/strong><\/li>\n\n\n\n<li><strong>Designated Goods:<\/strong> Leather goods, bags, apparel, and related products in <strong>Classes 18 and 25<\/strong>.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-1\">2. Refusal by the JPO Examiner<\/h2>\n\n\n\n<p>The application was refused under <strong>Article 4(1)(xi)<\/strong> of the Japanese Trademark Act (likelihood of confusion with a prior registered trademark).<\/p>\n\n\n\n<p>The examiner cited the following earlier trademark:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Cited Mark:<\/strong> CLAUS<\/li>\n\n\n\n<li><strong>Registration No.:<\/strong> <strong>6450515<\/strong><\/li>\n\n\n\n<li><strong>Designated Goods:<\/strong> Bags, leather goods, travel goods, and related items in <strong>Class 18<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>The examiner concluded that:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>both marks produce the same pronunciation (\u201cKlaus\u201d), and<\/li>\n\n\n\n<li>therefore the marks are similar.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-2\">3. Appeal to the JPO Trial and Appeal Board<\/h2>\n\n\n\n<p>An appeal was filed against the refusal.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Appeal No.:<\/strong> <strong>2022-12110<\/strong><\/li>\n<\/ul>\n\n\n\n<p>The appeal challenged the examiner\u2019s reliance on phonetic similarity alone.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-3\">4. Decision of the Appeal Board<\/h2>\n\n\n\n<p>The JPO Appeal Board <strong>reversed the refusal<\/strong>.<\/p>\n\n\n\n<p>The Board found that:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The marks differ in their <strong>initial letters (\u201cK\u201d vs. \u201cC\u201d)<\/strong>, which are visually noticeable and tend to leave a strong impression.<\/li>\n\n\n\n<li>Although the marks may share the same pronunciation (\u201cKlaus\u201d), they are <strong>visually distinguishable as different words<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>The Board further noted that:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>neither mark has a specific meaning, so conceptual comparison is neutral.<\/li>\n<\/ul>\n\n\n\n<p>Taking these factors together, the Board concluded that:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>the difference in appearance is sufficient to avoid confusion,<\/li>\n\n\n\n<li>even if phonetic similarity exists.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-4\">5. Outcome<\/h2>\n\n\n\n<p>The Board determined that the marks are <strong>not similar<\/strong>, and the refusal was set aside.<br>The trademark <strong>\u201cKlaus\u201d<\/strong> was allowed to proceed toward registration.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h1 class=\"wp-block-heading\" id=\"i-5\">Key Point for Foreign Applicants<\/h1>\n\n\n\n<p>This case highlights an important principle in Japanese trademark practice.<\/p>\n\n\n\n<p><strong>1. Initial letters carry strong weight<\/strong><\/p>\n\n\n\n<p>Differences at the beginning of a word may significantly affect overall impression.<\/p>\n\n\n\n<p><strong>2. Phonetic similarity is not always decisive<\/strong><\/p>\n\n\n\n<p>Even identical pronunciation does not automatically result in similarity.<\/p>\n\n\n\n<p><strong>3. Visual distinction can outweigh sound similarity<\/strong><\/p>\n\n\n\n<p>Clear differences in spelling may prevent confusion.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<p>\u2705 <strong>Practical takeaway<\/strong><\/p>\n\n\n\n<p>In Japan, trademarks may be considered <strong>dissimilar despite identical pronunciation<\/strong> if:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>their <strong>visual differences\u2014especially at the beginning of the word\u2014are clear<\/strong>, and<\/li>\n\n\n\n<li>the overall impression of the marks is distinguishable.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>This case illustrates how the Japan Patent Office (JPO) evaluates similarity when two trademarks share identic &#8230; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":{"0":"post-207","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-successful-cases-in-japan","7":"entry","8":"nothumb"},"_links":{"self":[{"href":"https:\/\/www.madrid-system.jp\/index.php?rest_route=\/wp\/v2\/posts\/207","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.madrid-system.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.madrid-system.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.madrid-system.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.madrid-system.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=207"}],"version-history":[{"count":2,"href":"https:\/\/www.madrid-system.jp\/index.php?rest_route=\/wp\/v2\/posts\/207\/revisions"}],"predecessor-version":[{"id":209,"href":"https:\/\/www.madrid-system.jp\/index.php?rest_route=\/wp\/v2\/posts\/207\/revisions\/209"}],"wp:attachment":[{"href":"https:\/\/www.madrid-system.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=207"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.madrid-system.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=207"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.madrid-system.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}