{"id":6673,"date":"2026-01-05T21:41:17","date_gmt":"2026-01-05T12:41:17","guid":{"rendered":"https:\/\/skiplaw.jp\/en\/?p=6673"},"modified":"2026-01-05T21:41:17","modified_gmt":"2026-01-05T12:41:17","slug":"requirements-for-consent-in-patent-correction-procedures","status":"publish","type":"post","link":"https:\/\/skiplaw.jp\/en\/%e6%9c%aa%e5%88%86%e9%a1%9e\/6673\/","title":{"rendered":"Requirements for Consent in Patent &#8220;Correction&#8221; Procedures"},"content":{"rendered":"<p><!-- SkipLaw Article Start --><\/p>\n<p>When protecting a patent in Japan, there are two primary <span class=\"skblog-text-bold\">&#8220;Correction&#8221;<\/span> procedures to consider. One is the <span class=\"skblog-text-bold\"><span class=\"skblog-marker-yellow\">&#8220;Request for Correction&#8221;<\/span><\/span> filed as a defensive measure to protect a patent against a Patent Opposition or a Trial for Invalidation. The other is the <span class=\"skblog-text-bold\"><span class=\"skblog-marker-yellow\">&#8220;Trial for Correction&#8221;<\/span><\/span> initiated by the patentee to rectify defects or narrow the scope of claims discovered after the patent has been registered.<\/p>\n<p>In these procedures, while examining technical patent requirements such as novelty and inventive step is paramount, it is equally vital to pay close attention to the formal <span class=\"skblog-text-bold\"><span class=\"skblog-marker-blue\">&#8220;Consent&#8221;<\/span><\/span> procedures.<\/p>\n<p>Overlooking the necessary consent can lead not only to rejection or dismissal of the correction procedure by the JPO but also to future legal disputes and the risk of the patent being revoked or invalidated.<\/p>\n<div class=\"skblog-points-box\">\n    <span class=\"skblog-points-title\">&#x1f4a1; Key Points<\/span><\/p>\n<ul class=\"skblog-points-list\">\n<li>Registered Exclusive Licensees and Pledgees:A statutory requirement under Article 127 and related articles of the Patent Act; prior consent is always mandatory.<\/li>\n<li>Non-exclusive Licensees:No longer a statutory requirement for JPO procedures under Article 127 and related articles, but contractual obligations may still apply.<\/li>\n<li class=\"skblog-arrow\">Action: Always verify both the &#8220;Patent Register&#8221; (to identify statutory parties) and the &#8220;License Agreement&#8221; (to identify contractual obligations) before filing any procedures.<\/li>\n<\/ul>\n<\/div>\n<div class=\"skblog-memo-box\">\n<div class=\"skblog-memo-header\">Related Clauses:<\/div>\n<div class=\"skblog-memo-body\">\n<ul class=\"skblog-ul-dot\">\n<li><span class=\"skblog-text-bold\">Trial for Correction:<\/span> Governed directly by <span class=\"skblog-text-bold\"><span class=\"skblog-text-italic\">Article 127.<\/span><\/span><\/li>\n<li><span class=\"skblog-text-bold\">Request for Correction during a Patent Opposition:<\/span> Governed by <span class=\"skblog-text-bold\"><span class=\"skblog-text-italic\">Article 120-5 (9)<\/span><\/span>, which applies <span class=\"skblog-text-bold\"><span class=\"skblog-text-italic\">Article 127 mutatis mutandis<\/span><\/span>.<\/li>\n<li><span class=\"skblog-text-bold\">Request for Correction during a Trial for Invalidation:<\/span> Governed by <span class=\"skblog-text-bold\"><span class=\"skblog-text-italic\">Article 134-2 (9)<\/span><\/span>, which applies <span class=\"skblog-text-bold\"><span class=\"skblog-text-italic\">Article 127 mutatis mutandis<\/span><\/span>.<\/li>\n<\/ul><\/div>\n<\/div>\n<p><!-- SkipLaw Article End --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>When protecting a patent in Japan, there are two primary &#8220;Correction&#8221; procedures to consider. One is the &#8220;Request for Correction&#8221; filed as a defensive measure to protect a patent against a Patent Opposition or a Trial for Invalidation. The other is the &#8220;Trial for Correction&#8221; initiated by the patentee to rectify defects or narrow the scope of claims discovered after the patent has been registered. In these procedures, while examining technical patent requirements such as novelty and inventive step is paramount, it is equally vital to pay close attention to the formal &#8220;Consent&#8221; procedures. Overlooking the necessary consent can lead not only to rejection or dismissal of the correction procedure [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6673","post","type-post","status-publish","format-standard","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/skiplaw.jp\/en\/wp-json\/wp\/v2\/posts\/6673","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/skiplaw.jp\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/skiplaw.jp\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/skiplaw.jp\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/skiplaw.jp\/en\/wp-json\/wp\/v2\/comments?post=6673"}],"version-history":[{"count":5,"href":"https:\/\/skiplaw.jp\/en\/wp-json\/wp\/v2\/posts\/6673\/revisions"}],"predecessor-version":[{"id":6679,"href":"https:\/\/skiplaw.jp\/en\/wp-json\/wp\/v2\/posts\/6673\/revisions\/6679"}],"wp:attachment":[{"href":"https:\/\/skiplaw.jp\/en\/wp-json\/wp\/v2\/media?parent=6673"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/skiplaw.jp\/en\/wp-json\/wp\/v2\/categories?post=6673"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/skiplaw.jp\/en\/wp-json\/wp\/v2\/tags?post=6673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}