{"id":27,"date":"2025-07-17T18:49:25","date_gmt":"2025-07-17T18:49:25","guid":{"rendered":"https:\/\/atlaw.kr\/en-blog\/?p=27"},"modified":"2026-05-03T21:18:19","modified_gmt":"2026-05-03T21:18:19","slug":"complete-guide-to-share-issuance-invalidation-lawsuits-in-south-korea-legal-requirements-to-practical-response","status":"publish","type":"post","link":"https:\/\/atlaw.kr\/en-blog\/complete-guide-to-share-issuance-invalidation-lawsuits-in-south-korea-legal-requirements-to-practical-response\/","title":{"rendered":"Complete Guide to Share Issuance Invalidation Lawsuits in South Korea: Legal Requirements to Practical Response"},"content":{"rendered":"<p><!-- ATLAS_SEO_BLOCK_START --><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"Article\",\"@id\":\"https:\/\/atlaw.kr\/en-blog\/complete-guide-to-share-issuance-invalidation-lawsuits-in-south-korea-legal-requirements-to-practical-response\/#article\",\"headline\":\"Complete Guide to Share Issuance Invalidation Lawsuits in South Korea: Legal Requirements to Practical Response\",\"description\":\"Comprehensive analysis of share issuance invalidation lawsuits in South Korea including legal basis, major grounds, procedures, and corporate practical response strategies. Complete guide based on South Korean Commercial Act Article 429\",\"inLanguage\":\"en\",\"datePublished\":\"2025-07-17\",\"dateModified\":\"2026-05-03\",\"author\":{\"@type\":\"Person\",\"@id\":\"https:\/\/atlaw.kr\/en\/taejin-kim-en\/#person\",\"name\":\"Taejin Kim\",\"jobTitle\":\"Managing Partner\",\"worksFor\":{\"@id\":\"https:\/\/atlaw.kr\/#legalservice\"}},\"publisher\":{\"@type\":\"Organization\",\"@id\":\"https:\/\/atlaw.kr\/#legalservice\",\"name\":\"Atlas Legal\",\"url\":\"https:\/\/atlaw.kr\/en\/home-en\/\"},\"mainEntityOfPage\":{\"@type\":\"WebPage\",\"@id\":\"https:\/\/atlaw.kr\/en-blog\/complete-guide-to-share-issuance-invalidation-lawsuits-in-south-korea-legal-requirements-to-practical-response\/\"},\"about\":[\"Korean share issuance invalidation\",\"Korean Commercial Act \u00a7429\",\"Invalidation lawsuit requirements\",\"Korean shareholder remedies\"]}<\/script><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"@id\":\"https:\/\/atlaw.kr\/en-blog\/complete-guide-to-share-issuance-invalidation-lawsuits-in-south-korea-legal-requirements-to-practical-response\/#faq\",\"inLanguage\":\"en\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Where is Atlas Legal located?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Atlas Legal is located at B-2901, Centroad, 323 Incheontower-daero, Yeonsu-gu, Incheon (Songdo International Business District, IFEZ). Postal code 22007.\"}},{\"@type\":\"Question\",\"name\":\"What languages does Atlas Legal serve clients in?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Atlas Legal serves clients in Korean and English. We routinely advise foreign-invested companies based in Songdo, Cheongna, and Yeongjong International Cities (IFEZ).\"}},{\"@type\":\"Question\",\"name\":\"What practice areas does Atlas Legal cover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Atlas Legal advises on Korean corporate law, shareholder and director disputes, international contracts under Korean law, corporate rehabilitation and bankruptcy under the Korean Debtor Rehabilitation and Bankruptcy Act, criminal defense for corporate matters, and trade secret protection.\"}},{\"@type\":\"Question\",\"name\":\"How can a foreign-invested company in Songdo IFEZ contact Atlas Legal?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Foreign-invested companies in Songdo, Cheongna, or Yeongjong International Cities can contact Atlas Legal at +82-32-864-8300 or info@atlaw.kr. Office hours are Monday to Friday, 09:00\u201318:00 KST.\"}}]}<\/script><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":[\"LegalService\",\"Service\"],\"@id\":\"https:\/\/atlaw.kr\/#legalservice\",\"name\":\"Atlas Legal\",\"alternateName\":[\"Atlas Law Firm\",\"Atlas Legal (formerly K&P)\"],\"url\":\"https:\/\/atlaw.kr\/en\/home-en\/\",\"telephone\":\"+82-32-864-8300\",\"email\":\"info@atlaw.kr\",\"priceRange\":\"\u20a9\u20a9\u20a9\",\"address\":{\"@type\":\"PostalAddress\",\"streetAddress\":\"323 Incheontower-daero, B-2901 (Songdo-dong, Centroad)\",\"addressLocality\":\"Yeonsu-gu, Incheon\",\"addressRegion\":\"Incheon Metropolitan City\",\"postalCode\":\"22007\",\"addressCountry\":\"KR\"},\"geo\":{\"@type\":\"GeoCoordinates\",\"latitude\":37.399438,\"longitude\":126.629812},\"openingHoursSpecification\":[{\"@type\":\"OpeningHoursSpecification\",\"dayOfWeek\":[\"Monday\",\"Tuesday\",\"Wednesday\",\"Thursday\",\"Friday\"],\"opens\":\"09:00\",\"closes\":\"18:00\"}],\"areaServed\":[{\"@type\":\"Country\",\"name\":\"South Korea\"},{\"@type\":\"AdministrativeArea\",\"name\":\"Incheon Metropolitan City\"},{\"@type\":\"AdministrativeArea\",\"name\":\"Seoul Special City\"},{\"@type\":\"AdministrativeArea\",\"name\":\"Gyeonggi Province\"},{\"@type\":\"Place\",\"name\":\"Songdo International Business District (IFEZ)\"},{\"@type\":\"Place\",\"name\":\"Cheongna International City (IFEZ)\"},{\"@type\":\"Place\",\"name\":\"Yeongjong International City (IFEZ)\"}],\"knowsAbout\":[\"Korean corporate law\",\"Korean Commercial Act\",\"Korean Debtor Rehabilitation and Bankruptcy Act\",\"International contracts under Korean law\",\"Songdo IFEZ business legal services\"],\"knowsLanguage\":[\"en\",\"ko\"],\"founder\":{\"@type\":\"Person\",\"@id\":\"https:\/\/atlaw.kr\/en\/taejin-kim-en\/#person\"}}<\/script><!-- ATLAS_SEO_BLOCK_END --><\/p>\n<div class=\"content-container\">\n<div class=\"toc\">\n<h2>Table of Contents<\/h2>\n<ol>\n<li><a href=\"#overview\">Overview of Share Issuance Invalidation Lawsuits<\/a><\/li>\n<li><a href=\"#legal-framework\">Legal Framework and Requirements<\/a><\/li>\n<li><a href=\"#grounds\">Major Grounds for Share Issuance Invalidation<\/a>\n<ol>\n<li><a href=\"#statutory-violations\">Statutory Violations<\/a><\/li>\n<li><a href=\"#bylaw-violations\">Articles of Incorporation Violations<\/a><\/li>\n<li><a href=\"#unfair-practices\">Grossly Unfair Methods<\/a><\/li>\n<\/ol>\n<\/li>\n<li><a href=\"#comparison-analysis\">Comparative Analysis: Invalidation Lawsuit vs. Injunction<\/a><\/li>\n<li><a href=\"#litigation-process\">Litigation Procedures<\/a><\/li>\n<li><a href=\"#practical-strategies\">Corporate Practical Response Strategies<\/a>\n<ol>\n<li><a href=\"#preventive-measures\">Preventive Measures<\/a><\/li>\n<li><a href=\"#defense-strategies\">Defense Strategies<\/a><\/li>\n<\/ol>\n<\/li>\n<li><a href=\"#compliance-checklist\">Compliance Checklist<\/a>\n<ol>\n<li><a href=\"#decision-process\">Legality of Decision-Making Process<\/a><\/li>\n<li><a href=\"#subscription-rights\">Subscription Rights Matters<\/a><\/li>\n<li><a href=\"#disclosure-duties\">Disclosure Duties Compliance<\/a><\/li>\n<li><a href=\"#fairness-assessment\">Fairness Assessment<\/a><\/li>\n<\/ol>\n<\/li>\n<li><a href=\"#summary\">Summary and Implications<\/a><\/li>\n<\/ol><\/div>\n<section id=\"overview\">\n<h2>1. Overview of Share Issuance Invalidation Lawsuits<\/h2>\n<p>A share issuance invalidation lawsuit in South Korea is a legal action filed to nullify the effect of new share issuance when the company&#8217;s issuance contains legal defects. Since a company&#8217;s capital increase directly affects the ownership structure of existing shareholders, the South Korean Commercial Act establishes strict regulations regarding the procedures and methods of new share issuance.<\/p>\n<p>When share issuance violates legal provisions or articles of incorporation, or is conducted through grossly unfair methods, it becomes necessary to invalidate the effect of such issuance. However, since invalidating already-issued shares could cause significant disruption to the company&#8217;s capital structure and shareholder composition, the South Korean Commercial Act restricts claims for share issuance invalidation to be made only through litigation.<\/p>\n<\/section>\n<section id=\"legal-framework\">\n<h2>2. Legal Framework and Requirements<\/h2>\n<p>The legal basis for share issuance invalidation lawsuits is stipulated in Article 429 of the South Korean Commercial Act. According to this provision, invalidation of share issuance can only be claimed through litigation by shareholders, directors, or auditors within six months from the date of share issuance.<\/p>\n<p>Article 431 of the South Korean Commercial Act regulates the scope of effect of invalidation judgments. An invalidation judgment has effect against third parties (erga omnes effect), but does not affect rights and obligations between the company and third parties that arose before the judgment became final.<\/p>\n<p>The essential requirements for filing a share issuance invalidation lawsuit in South Korea are as follows:<\/p>\n<ol>\n<li><strong>Standing to Sue<\/strong>: Limited to shareholders, directors, or auditors.<\/li>\n<li><strong>Filing Period<\/strong>: Must be filed within six months from the date of share issuance.<\/li>\n<li><strong>Jurisdiction<\/strong>: Exclusive jurisdiction of the district court having jurisdiction over the company&#8217;s principal place of business.<\/li>\n<\/ol>\n<\/section>\n<section id=\"grounds\">\n<h2>3. Major Grounds for Share Issuance Invalidation<\/h2>\n<p>The major grounds for recognizing share issuance invalidation are broadly categorized into statutory violations, violations of articles of incorporation, and issuance through grossly unfair methods.<\/p>\n<section id=\"statutory-violations\">\n<h3>3.1 Statutory Violations<\/h3>\n<p>Major examples of statutory violations under South Korean law include:<\/p>\n<ul>\n<li>Issuing new shares without board resolution required under Article 416 of the South Korean Commercial Act or with defective resolutions<\/li>\n<li>Improperly restricting or infringing shareholders&#8217; subscription rights under Article 418 of the South Korean Commercial Act<\/li>\n<li>Failing to fulfill announcement or notification obligations under Article 419 of the South Korean Commercial Act<\/li>\n<\/ul>\n<\/section>\n<section id=\"bylaw-violations\">\n<h3>3.2 Articles of Incorporation Violations<\/h3>\n<p>When a company&#8217;s articles of incorporation contain special provisions regarding new share issuance, violations of such provisions can constitute grounds for invalidation. Specific examples include:<\/p>\n<ul>\n<li>Issuing shares exceeding the limit set in the articles of incorporation<\/li>\n<li>Issuing shares of a different class than specified in the articles of incorporation<\/li>\n<li>Issuing shares without going through shareholder meeting resolution when required by the articles of incorporation<\/li>\n<\/ul>\n<\/section>\n<section id=\"unfair-practices\">\n<h3>3.3 Grossly Unfair Methods<\/h3>\n<p>Share issuance through grossly unfair methods includes the following cases:<\/p>\n<ul>\n<li>Preferentially allocating new shares to specific shareholders under favorable conditions only<\/li>\n<li>Issuing new shares with the improper purpose of diluting specific shareholders&#8217; equity<\/li>\n<li>Issuing new shares at significantly low prices, damaging the interests of the company or existing shareholders<\/li>\n<li>Unreasonably discriminating against shareholders holding the same class of shares, violating the principle of shareholder equality<\/li>\n<\/ul>\n<\/section>\n<\/section>\n<section id=\"comparison-analysis\">\n<h2>4. Comparative Analysis: Invalidation Lawsuit vs. Injunction<\/h2>\n<p>Share issuance invalidation lawsuits and share issuance effect suspension injunctions have fundamental differences in purpose and effect.<\/p>\n<table>\n<tbody>\n<tr>\n<th>Category<\/th>\n<th>Share Issuance Invalidation Lawsuit<\/th>\n<th>Share Issuance Effect Suspension Injunction<\/th>\n<\/tr>\n<tr>\n<td>Legal Nature<\/td>\n<td>Main lawsuit<\/td>\n<td>Provisional disposition<\/td>\n<\/tr>\n<tr>\n<td>Purpose<\/td>\n<td>Confirmation of share issuance invalidation<\/td>\n<td>Temporary suspension of share issuance effect until main lawsuit result is confirmed<\/td>\n<\/tr>\n<tr>\n<td>Effective Date<\/td>\n<td>Takes effect prospectively after judgment becomes final<\/td>\n<td>Immediate effect suspension upon favorable ruling<\/td>\n<\/tr>\n<tr>\n<td>Legal Basis<\/td>\n<td>South Korean Commercial Act Article 429<\/td>\n<td>South Korean Civil Execution Act Article 300<\/td>\n<\/tr>\n<tr>\n<td>Subject of Review<\/td>\n<td>Existence of grounds for share issuance invalidation<\/td>\n<td>Right to be preserved and necessity of preservation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>In practice, it is common to file a share issuance invalidation lawsuit while simultaneously applying for a share issuance effect suspension injunction after share issuance is completed. However, since share issuance invalidation judgments only take effect prospectively once finalized (South Korean Commercial Act Article 431, Paragraph 1), injunctions suspending the effect of share issuance would result in consequences exceeding the content of the final main judgment, violating the supplementary principle of provisional dispositions, and are therefore generally not permitted according to the prevailing view in South Korean jurisprudence.<\/p>\n<\/section>\n<section id=\"litigation-process\">\n<h2>5. Litigation Procedures<\/h2>\n<p>Share issuance invalidation lawsuits proceed through the following step-by-step procedures:<\/p>\n<ol>\n<li><strong>Complaint Filing<\/strong>: The plaintiff (shareholder, director, auditor) files a complaint with the district court having jurisdiction over the company&#8217;s principal place of business.<\/li>\n<li><strong>Preparatory Proceedings<\/strong>: The court systematically organizes the parties&#8217; arguments and evidence through preparatory proceedings.<\/li>\n<li><strong>Trial Dates<\/strong>: The plaintiff and defendant (company) present their respective arguments and submit evidence in court.<\/li>\n<li><strong>Judgment Pronouncement<\/strong>: The court determines whether grounds for share issuance invalidation exist and pronounces judgment.<\/li>\n<li><strong>Judgment Finalization<\/strong>: The judgment becomes final after the appeal period expires or after higher court judgment is rendered.<\/li>\n<li><strong>Registration Procedures<\/strong>: Once the invalidation judgment becomes final, the company must complete invalidation registration at its principal and branch office locations within one month (South Korean Commercial Act Article 432).<\/li>\n<\/ol>\n<\/section>\n<section id=\"practical-strategies\">\n<h2>6. Corporate Practical Response Strategies<\/h2>\n<p>Systematic strategies for effective corporate response when facing share issuance invalidation lawsuits are as follows:<\/p>\n<section id=\"preventive-measures\">\n<h3>6.1 Preventive Measures<\/h3>\n<ul>\n<li>Ensure complete legality of board resolution procedures (quorum, convening procedures, voting methods, etc.).<\/li>\n<li>Clearly document justifiable reasons when restriction of subscription rights is necessary.<\/li>\n<li>Prepare materials in advance that can objectively prove the fairness of new share issuance conditions.<\/li>\n<li>Thoroughly fulfill announcement and notification obligations to shareholders.<\/li>\n<li>Strictly comply with share payment procedures.<\/li>\n<\/ul>\n<\/section>\n<section id=\"defense-strategies\">\n<h3>6.2 Defense Strategies<\/h3>\n<ul>\n<li>Thoroughly verify whether the filing period has expired (6 months from share issuance date).<\/li>\n<li>Carefully examine whether the plaintiff has standing to sue.<\/li>\n<li>Systematically organize materials that can prove the legality of share issuance procedures.<\/li>\n<li>Actively argue justification based on the business judgment principle.<\/li>\n<li>For injunction applications filed simultaneously with lawsuits, argue violation of the supplementary principle of provisional dispositions.<\/li>\n<\/ul>\n<\/section>\n<\/section>\n<section id=\"compliance-checklist\">\n<h2>7. Compliance Checklist<\/h2>\n<p>Key matters that corporate executives must verify to prevent legal disputes in advance when issuing new shares:<\/p>\n<section id=\"decision-process\">\n<h3>7.1 Legality of Decision-Making Process<\/h3>\n<ul>\n<li>Were board convening procedures conducted legally?<\/li>\n<li>Was the board resolution quorum satisfied?<\/li>\n<li>Are the resolution contents clear and specific?<\/li>\n<li>Are all necessary matters recorded in the minutes?<\/li>\n<\/ul>\n<\/section>\n<section id=\"subscription-rights\">\n<h3>7.2 Subscription Rights Matters<\/h3>\n<ul>\n<li>Were existing shareholders&#8217; subscription rights sufficiently guaranteed?<\/li>\n<li>When restricting subscription rights, do justifiable reasons exist?<\/li>\n<li>In case of third-party allocation, can the necessity and fairness be proven?<\/li>\n<\/ul>\n<\/section>\n<section id=\"disclosure-duties\">\n<h3>7.3 Disclosure Duties Compliance<\/h3>\n<ul>\n<li>Were notification or announcement obligations to shareholders completely fulfilled?<\/li>\n<li>Were share subscription forms properly maintained according to law?<\/li>\n<li>Were share payment procedures legally complied with?<\/li>\n<\/ul>\n<\/section>\n<section id=\"fairness-assessment\">\n<h3>7.4 Fairness Assessment<\/h3>\n<ul>\n<li>Was the issuance price determined fairly?<\/li>\n<li>Are there no unfavorable conditions for specific shareholders?<\/li>\n<li>Is the purpose of new share issuance legitimate and consistent with the company&#8217;s interests?<\/li>\n<\/ul>\n<\/section>\n<\/section>\n<section id=\"summary\">\n<h2>8. Summary and Implications<\/h2>\n<p>Legal issues related to share issuance have decisive impact on corporate governance structure and capital raising, making professional and experienced legal counsel absolutely necessary. It is most important to prevent potential future disputes through thorough legal review from the planning stage of corporate share issuance.<\/p>\n<p>Atlas Legal has experience representing an Incheon-area company and achieving victory in a share issuance effect suspension injunction case in South Korea. In this case, our firm successfully argued that share issuance invalidation judgments only take effect prospectively once finalized according to South Korean Commercial Act Article 431, Paragraph 1, and succeeded in having the injunction application that exceeded the content of the main final judgment dismissed. Through such professional response, the client company was able to maintain the effect of share issuance and continue smooth business operations.<\/p>\n<\/section><\/div>\n<div style=\"background-color: #f8f9fa; padding: 20px; border-radius: 8px; margin-top: 30px; border-left: 4px solid #722f37; font-family: Georgia, serif;\">\n<h3 style=\"margin-top: 0; margin-bottom: 10px; font-size: 20px; color: #2c3e50; font-weight: bold;\">About the Author<\/h3>\n<div style=\"font-size: 18px; font-weight: bold; color: #333; margin-bottom: 5px;\">Taejin Kim | Managing Partner, Atlas Legal<\/div>\n<div style=\"font-size: 16px; color: #555; margin-bottom: 5px; line-height: 1.4;\">Attorney specializing in Corporate Advisory, Corporate Disputes, Corporate Criminal Law<\/div>\n<div style=\"font-size: 16px; color: #555; margin-bottom: 5px; line-height: 1.4;\">Former Prosecutor | 33rd Class of Judicial Research and Training Institute<\/div>\n<div style=\"font-size: 16px; color: #555; margin-bottom: 15px; line-height: 1.4;\">Korea University LL.B, LL.M. in Criminal Law, University of California, Davis LL.M.<\/div>\n<p>        <a href=\"https:\/\/        \n\n<div class=\"author-info\">Atlas Legal | Incheon Songdo, South Korea<\/div>\n<p>        atlaw.kr\/en&#8221; target=&#8221;_blank&#8221; rel=&#8221;noopener noreferrer&#8221; style=&#8221;display: inline-block; background-color: #722f37; color: white; padding: 12px 24px; text-decoration: none; border-radius: 6px; font-size: 16px; font-weight: bold; border: 2px solid #722f37; cursor: pointer; box-shadow: 0 2px 4px rgba(114, 47, 55, 0.3); margin-top: 5px;&#8221;>Visit Atlas Legal Website<\/a>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Table of Contents Overview of Share Issuance Invalidation Lawsuits Legal Framework and Requirements Major Grounds for Share Issuance Invalidation Statutory Violations Articles of Incorporation Violations Grossly Unfair Methods Comparative Analysis: Invalidation Lawsuit vs. Injunction Litigation Procedures Corporate Practical Response Strategies Preventive Measures Defense Strategies Compliance Checklist Legality of Decision-Making Process Subscription Rights Matters Disclosure Duties&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[218,15,230],"tags":[18,22,21,20,19],"class_list":["post-27","post","type-post","status-publish","format-standard","hentry","category-corporate-counseling","category-corporate","category-management-disputes","tag-share-issuance-invalidation-lawsuit-south-korea","tag-share-issuance-procedures-south-korea","tag-shareholder-rights-south-korea","tag-south-korea-corporate-law","tag-south-korean-commercial-act-article-429"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Complete Guide to Share Issuance Invalidation Lawsuits in South Korea: Legal Requirements to Practical Response<\/title>\n<meta name=\"description\" content=\"Comprehensive analysis of share issuance invalidation lawsuits in South Korea including legal basis, major grounds, procedures, and corporate practical response strategies. 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