{"id":630,"date":"2026-02-26T22:14:14","date_gmt":"2026-02-26T22:14:14","guid":{"rendered":"https:\/\/atlaw.kr\/en-blog\/?p=630"},"modified":"2026-02-26T22:14:14","modified_gmt":"2026-02-26T22:14:14","slug":"attorney-client-privilege-acp-south-korea-supreme-court","status":"publish","type":"post","link":"https:\/\/atlaw.kr\/en-blog\/attorney-client-privilege-acp-south-korea-supreme-court\/","title":{"rendered":"What Is Attorney-Client Privilege (ACP) in South Korea? Supreme Court 2024Mo730 Explained"},"content":{"rendered":"<p><!-- Article Schema --><br \/>\n<script type=\"application\/ld+json\">\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"Article\",\n    \"headline\": \"What Is Attorney-Client Privilege (ACP) in South Korea? Supreme Court Decision 2024Mo730 Explained\",\n    \"description\": \"South Korea's Supreme Court has recognized attorney-client privilege (ACP) as a constitutional right. A former prosecutor explains the landmark 2024Mo730 decision, the amended Attorney-at-Law Act, and practical compliance strategies for businesses operating in Korea.\",\n    \"author\": {\n        \"@type\": \"Person\",\n        \"name\": \"Taejin Kim\",\n        \"jobTitle\": \"Attorney at Law\",\n        \"worksFor\": {\n            \"@type\": \"LegalService\",\n            \"name\": \"Atlas Legal\",\n            \"url\": \"https:\/\/atlaw.kr\",\n            \"address\": {\n                \"@type\": \"PostalAddress\",\n                \"addressLocality\": \"Incheon\",\n                \"addressRegion\": \"Songdo\"\n            }\n        }\n    },\n    \"publisher\": {\n        \"@type\": \"Organization\",\n        \"name\": \"Atlas Legal\",\n        \"url\": \"https:\/\/atlaw.kr\"\n    },\n    \"datePublished\": \"2026-02-27\",\n    \"dateModified\": \"2026-02-27\",\n    \"mainEntityOfPage\": {\n        \"@type\": \"WebPage\"\n    }\n}\n<\/script><\/p>\n<p><!-- FAQ Schema --><br \/>\n<script type=\"application\/ld+json\">\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is attorney-client privilege (ACP) in South Korea?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Attorney-client privilege (ACP) in South Korea is a newly recognized evidentiary right that protects confidential communications between attorneys and clients made for the purpose of legal consultation. It was codified in Article 26-2 of the amended Attorney-at-Law Act (promulgated February 19, 2026; effective February 19, 2027) and recognized as a constitutional right by the Supreme Court in Decision 2024Mo730 (February 20, 2026).\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What did the South Korean Supreme Court decide in 2024Mo730?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The Supreme Court held that seizure of legal consultation documents generated between a suspect\/defendant and defense counsel in criminal cases infringes the constitutional right to assistance of counsel and is therefore prohibited in principle. Exceptions apply only where the client consents, the attorney is a co-conspirator, or there is a compelling public interest necessity, which must be judged strictly.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can ACP be asserted before the amended Attorney-at-Law Act takes effect in South Korea?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. The Supreme Court's 2024Mo730 decision established that ACP protection in criminal matters derives directly from the constitutional right to assistance of counsel under Articles 12(4) and 12(5) of the Constitution, independent of the amended Attorney-at-Law Act. Therefore, ACP can be asserted on constitutional grounds even before the Act takes effect on February 19, 2027.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What are the exceptions to ACP under South Korean law?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Under both the Supreme Court decision and the amended Attorney-at-Law Act, ACP does not apply when: (1) the client consents to disclosure; (2) the attorney is a co-conspirator or involved in the client's criminal or illegal conduct, or the client used or intended to use privileged materials for illegal purposes; (3) disclosure is necessary for the attorney to assert or defend rights in a dispute with the client; or (4) another statute specifically requires disclosure.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does the South Korean Supreme Court's ACP decision apply to civil or administrative proceedings?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The 2024Mo730 decision is grounded in constitutional provisions on the right to counsel in criminal proceedings and the Criminal Procedure Act, making it difficult to apply directly to civil document production orders or administrative investigations. However, Article 26-2 of the amended Attorney-at-Law Act covers legal matters broadly, and its enforcement from February 19, 2027 is expected to extend ACP protections to civil and administrative contexts.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How should companies in South Korea prepare for ACP implementation?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Companies should label all legal consultation documents with 'Attorney-Client Privilege' markings, store legal documents separately from general business files, prepare search-and-seizure response protocols, engage external counsel from the early stages of significant matters, and restrict the sharing of privileged communications on a need-to-know basis to prevent inadvertent waiver.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Are communications with in-house counsel protected by ACP in South Korea?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The amended Attorney-at-Law Act requires that ACP involves a licensed attorney under the Attorney-at-Law Act. Communications with licensed in-house counsel made for legal consultation purposes may qualify for ACP protection. However, the precise scope of protection for in-house counsel communications is expected to be clarified through future court decisions.\"\n            }\n        }\n    ]\n}\n<\/script><\/p>\n<p><!-- LocalBusiness Schema --><br \/>\n<script type=\"application\/ld+json\">\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"LocalBusiness\",\n    \"name\": \"Atlas Legal\",\n    \"image\": \"https:\/\/atlaw.kr\/logo.png\",\n    \"url\": \"https:\/\/atlaw.kr\",\n    \"telephone\": \"+82-32-864-8300\",\n    \"address\": {\n        \"@type\": \"PostalAddress\",\n        \"streetAddress\": \"323 Incheon Tower-daero, B-dong 2901 (Songdo-dong, Centroad)\",\n        \"addressLocality\": \"Incheon\",\n        \"addressRegion\": \"Yeonsu-gu, Incheon\",\n        \"addressCountry\": \"KR\"\n    },\n    \"priceRange\": \"$$\",\n    \"openingHoursSpecification\": {\n        \"@type\": \"OpeningHoursSpecification\",\n        \"dayOfWeek\": 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  }\n<\/style>\n<p><!-- Body Content --><\/p>\n<div class=\"content-container\">\n<p>    <!-- Table of Contents --><\/p>\n<div class=\"toc\" style=\"padding: 15px; border-radius: 0; margin-bottom: 20px; background-color: #f5f5f5;\">\n<h2 style=\"font-size: 20px; margin-top: 0; margin-bottom: 10px;\">Table of Contents<\/h2>\n<ul style=\"list-style-type: none; padding-left: 0; margin: 0;\">\n<li><a href=\"#section1\">1. What Is Attorney-Client Privilege (ACP) in South Korea?<\/a><\/li>\n<li><a href=\"#section2\">2. What Are the Facts Behind Supreme Court Decision 2024Mo730?<\/a><\/li>\n<li><a href=\"#section3\">3. What Legal Principles Did the South Korean Supreme Court Establish?<\/a><\/li>\n<li><a href=\"#section4\">4. How Does the Amended Attorney-at-Law Act Relate to the Decision?<\/a><\/li>\n<li><a href=\"#section5\">5. How Should Businesses in South Korea Prepare for ACP?<\/a><\/li>\n<li><a href=\"#section6\">6. What Are the Limitations and Future Outlook?<\/a><\/li>\n<li><a href=\"#section7\">7. FAQ<\/a><\/li>\n<\/ul><\/div>\n<p>    <!-- Story Hook --><\/p>\n<div class=\"story-hook\" style=\"padding: 15px 20px; margin-bottom: 15px; border-radius: 0; background-color: #f5f5f5;\">\n<p><strong>Real Case:<\/strong> A South Korean asset management company CEO was acquitted at trial on fraud charges. While the appeal was pending, investigators obtained a separate search warrant and seized approximately 120,000 emails from the company \u2014 including legal memoranda, draft witness statements, and cross-examination preparation materials exchanged with defense counsel. If a client&#8217;s defense strategy documents end up in the hands of prosecutors, can the right to counsel truly be guaranteed?<\/p>\n<\/p><\/div>\n<p>    <!-- Direct Answer --><\/p>\n<div class=\"direct-answer\" style=\"padding: 15px; border-radius: 0; margin-bottom: 20px; font-weight: 500; background-color: #f5f5f5;\">\n        <strong>Key Answer:<\/strong> In Decision 2024Mo730 (February 20, 2026), the Supreme Court of South Korea held that the seizure of legal consultation documents generated between suspects\/defendants and their defense counsel <strong>must not be permitted in principle<\/strong>, as it infringes the constitutional right to assistance of counsel. This is the first Supreme Court decision in South Korea recognizing attorney-client privilege (ACP) as a constitutional right.\n    <\/div>\n<p>    <!-- Story Detail --><\/p>\n<div class=\"story-detail\" style=\"padding: 20px; border-radius: 0; margin: 20px 0; background-color: #f5f5f5;\">\n<h3>Why Does This Decision Matter for South Korea?<\/h3>\n<p class=\"disclaimer\">* This analysis is based on the publicly available Supreme Court decision (2024Mo730).<\/p>\n<p>In this case, South Korean investigators executed a separate search warrant during the pendency of an appeal in a prior criminal case, seizing roughly 120,000 emails. Among them were legal opinions, witness interview summaries, and trial preparation documents \u2014 the core of the defense team&#8217;s strategy. The Seoul Southern District Court quashed the seizure of these attorney-related materials, and when prosecutors filed a further appeal, the Supreme Court upheld the lower court&#8217;s ruling. Coming just one day after the amended Attorney-at-Law Act (codifying ACP) was promulgated on February 19, 2026, this decision carries enormous significance for South Korean criminal practice by establishing the constitutional foundation of attorney-client privilege, independent of statutory legislation.<\/p>\n<\/p><\/div>\n<p>    <!-- Section 1 --><br \/>\n    <\/p>\n<h2 id=\"section1\">1. What Is Attorney-Client Privilege (ACP) in South Korea?<\/h2>\n<p>Attorney-client privilege (ACP) is an evidentiary right that protects confidential communications between attorneys and clients made for the purpose of legal consultation from compelled disclosure. While ACP has been a well-established principle in common law jurisdictions for centuries, South Korea had no express statutory provision recognizing this right until 2026.<\/p>\n<h3>Limitations Under the Previous Legal Framework in South Korea<\/h3>\n<p>The former Article 26 of South Korea&#8217;s Attorney-at-Law Act imposed only a <em>duty<\/em> on attorneys not to disclose professional secrets, without granting clients a corresponding <em>right<\/em> to assert privilege against compelled disclosure. Although Articles 112 and 149 of the Criminal Procedure Act provided limited protections \u2014 allowing attorneys to refuse seizure of entrusted items and to refuse testimony about client secrets \u2014 these provisions proved insufficient in practice for effectively resisting prosecutorial search-and-seizure operations.<\/p>\n<h3>Two Pillars of ACP Established in South Korea<\/h3>\n<p>In 2026, the institutional foundation for ACP was established through two simultaneous developments. First, the National Assembly passed an amendment to the Attorney-at-Law Act on January 29, 2026, which was promulgated on February 19, 2026 (Act No. 21357), creating new Article 26-2 (Privilege of Confidentiality), <strong>effective February 19, 2027<\/strong>. Second, on February 20, 2026, the Supreme Court issued Decision 2024Mo730, confirming that ACP is protected as an element of the constitutional right to assistance of counsel \u2014 even before the amended Act takes effect.<\/p>\n<p>    <!-- Section 2 --><br \/>\n    <\/p>\n<h2 id=\"section2\">2. What Are the Facts Behind Supreme Court Decision 2024Mo730?<\/h2>\n<p>This case arose when South Korean investigators used a search warrant issued for a separate criminal matter to seize privileged legal consultation materials between defendants and their defense counsel, while a prior criminal appeal was still pending.<\/p>\n<h3>The Prior Criminal Proceedings<\/h3>\n<p>The quasi-appellants (the company and its executives) had been investigated since May 2021 on fraud charges under South Korea&#8217;s Act on the Aggravated Punishment of Specific Economic Crimes and were indicted in July 2022. The Seoul Southern District Court acquitted all defendants in December 2022. The prosecution appealed, but the appellate court also returned a not-guilty verdict. The prosecution&#8217;s further appeal to the Supreme Court was dismissed in January 2025, finalizing the acquittals.<\/p>\n<h3>Seizure Under a Separate Warrant<\/h3>\n<p>The critical issue arose in July 2023, while the appeal in the prior case was still pending. Investigators obtained a new search warrant on separate bribery charges and executed it at the company&#8217;s offices. They seized approximately 120,000 emails and electronic data, which included legal memoranda, draft statements, examination question lists, and cross-examination preparation materials exchanged between the defendants and their defense counsel&#8217;s law firm.<\/p>\n<table>\n<tr>\n<th>Item<\/th>\n<th>Details<\/th>\n<\/tr>\n<tr>\n<td>Prior Case<\/td>\n<td>Fraud charges \u2014 acquitted at trial, appeal, and Supreme Court (finalized Jan. 2025)<\/td>\n<\/tr>\n<tr>\n<td>Separate Warrant<\/td>\n<td>Bribery under the Specific Economic Crimes Act<\/td>\n<\/tr>\n<tr>\n<td>Seizure Timing<\/td>\n<td>During pendency of appeal in prior case (July 2023)<\/td>\n<\/tr>\n<tr>\n<td>Materials Seized<\/td>\n<td>~120,000 emails including attorney memoranda, draft statements, exam materials<\/td>\n<\/tr>\n<tr>\n<td>Lower Court<\/td>\n<td>Seizure of attorney-related materials quashed (Seoul Southern District Court)<\/td>\n<\/tr>\n<tr>\n<td>Supreme Court<\/td>\n<td>Prosecution&#8217;s further appeal dismissed (Feb. 20, 2026)<\/td>\n<\/tr>\n<\/table>\n<p>    <!-- Section 3 --><br \/>\n    <\/p>\n<h2 id=\"section3\">3. What Legal Principles Did the South Korean Supreme Court Establish?<\/h2>\n<p>The Supreme Court of South Korea set forth the constitutional basis and specific application criteria for ACP for the first time in a systematic manner. This legal framework is expected to serve as the foundational standard for ACP-related practice across the country.<\/p>\n<h3>The Constitutional Right to Counsel and Confidentiality<\/h3>\n<p>The Court confirmed that Articles 12(4) and 12(5) of the South Korean Constitution guarantee the right to assistance of counsel as a fundamental right in criminal proceedings, applicable to both detained and non-detained suspects and defendants (citing Constitutional Court Decision 2016HeonMa503, Nov. 30, 2017; Supreme Court Decision 2019Da235450, Nov. 25, 2021).<\/p>\n<p>The Court further held that the <strong>full exercise<\/strong> of the right to counsel requires not only that consultations be guaranteed, but that <strong>the content of those communications be completely protected as confidential<\/strong>. Without such confidentiality, clients would hesitate to provide sufficient information to their attorneys, ultimately rendering meaningful legal assistance impossible (citing Constitutional Court Decision 91HeonMa111, Jan. 28, 1992).<\/p>\n<h3>Prohibition on Seizure of Legal Consultation Materials<\/h3>\n<p>Applying these principles, the Court established the core holding: seizure of legal consultation documents generated between suspects\/defendants and defense counsel in criminal cases infringes the constitutional right to assistance of counsel and <strong>must not be permitted in principle<\/strong>.<\/p>\n<h3>Exceptions to ACP in South Korea<\/h3>\n<p>The Court identified limited circumstances under which seizure may exceptionally be permitted:<\/p>\n<table>\n<tr>\n<th>Exception<\/th>\n<th>Description<\/th>\n<\/tr>\n<tr>\n<td>Client Consent<\/td>\n<td>The suspect\/defendant consents to seizure of legal consultation materials<\/td>\n<\/tr>\n<tr>\n<td>Attorney Involvement in Crime<\/td>\n<td>The attorney is a co-conspirator or involved in the client&#8217;s criminal or illegal conduct<\/td>\n<\/tr>\n<tr>\n<td>Compelling Public Interest<\/td>\n<td>Judged strictly based on gravity of offense, evidentiary value, and degree of impairment to right to counsel<\/td>\n<\/tr>\n<\/table>\n<h3>Application to the Case<\/h3>\n<p>The Court found that: (1) while the separate warrant charges were serious, the defense strategy documents did not have critical evidentiary value for those charges; (2) there was no evidence the defense attorneys were co-conspirators; and (3) the seizure during a pending appeal gravely harmed the defendants&#8217; right to counsel. The seizure was therefore unlawful.<\/p>\n<p>    <!-- Section 4 --><br \/>\n    <\/p>\n<h2 id=\"section4\">4. How Does the Amended Attorney-at-Law Act Relate to the Decision?<\/h2>\n<p>The amended South Korean Attorney-at-Law Act (Article 26-2), passed on January 29, 2026 and promulgated on February 19, 2026, and this Supreme Court decision both aim to protect ACP, while each has distinct significance and scope.<\/p>\n<h3>Key Provisions of Article 26-2 (Act No. 21357)<\/h3>\n<p>The amended Act creates Article 26-2 (Privilege of Confidentiality), <strong>effective February 19, 2027<\/strong>:<\/p>\n<p><strong>Paragraph 1 (Confidentiality of Communications):<\/strong> An attorney and a client or prospective client (&#8220;client, etc.&#8221;) may refuse to disclose confidential communications made between them for the purpose of providing or receiving legal assistance in legal cases or legal affairs.<\/p>\n<p><strong>Paragraph 2 (Work Product Protection):<\/strong> An attorney and a client may refuse to disclose documents or materials (including electronic form) prepared for litigation, investigation, or inquiry in connection with a retained case.<\/p>\n<p><strong>Paragraph 3 (Exceptions):<\/strong> Despite paragraphs 1 and 2, communications or documents may be disclosed where:<\/p>\n<ul>\n<li><strong>Subparagraph 1:<\/strong> The client consents to disclosure<\/li>\n<li><strong>Subparagraph 2:<\/strong> The attorney is a co-conspirator of the client, is involved in evidence destruction, harboring criminals, receiving stolen property, or other criminal\/illegal conduct, or the client has used or intended to use privileged materials for illegal purposes \u2014 i.e., where compelling public interest necessity exists (crime-fraud exception)<\/li>\n<li><strong>Subparagraph 3:<\/strong> The attorney needs to assert or defend rights in a dispute with the client<\/li>\n<li><strong>Subparagraph 4:<\/strong> Another statute specifically provides otherwise<\/li>\n<\/ul>\n<p><strong>Addenda (Act No. 21357, Feb. 19, 2026):<\/strong><\/p>\n<ul>\n<li><strong>Article 1 (Effective Date):<\/strong> Takes effect one year after promulgation \u2014 <strong>February 19, 2027<\/strong><\/li>\n<li><strong>Article 2 (Retroactive Application):<\/strong> Applies to communications and documents created before the effective date<\/li>\n<\/ul>\n<h3>Complementary Relationship<\/h3>\n<p>Despite the retroactivity provision, some ambiguity remained regarding pre-enforcement ACP claims. The Supreme Court decision resolves this gap: in criminal matters, privileged communications are protected under the constitutional right to counsel <strong>regardless of whether the amended Act is in force<\/strong>.<\/p>\n<table>\n<tr>\n<th>Aspect<\/th>\n<th>Amended Act (Art. 26-2)<\/th>\n<th>Supreme Court Decision 2024Mo730<\/th>\n<\/tr>\n<tr>\n<td>Legal Basis<\/td>\n<td>Statute (Act No. 21357)<\/td>\n<td>Constitution, Arts. 12(4) and 12(5)<\/td>\n<\/tr>\n<tr>\n<td>Scope<\/td>\n<td>All legal cases and affairs<\/td>\n<td>Criminal case legal consultation documents<\/td>\n<\/tr>\n<tr>\n<td>Effective Date<\/td>\n<td>February 19, 2027 (retroactive)<\/td>\n<td>Immediately applicable<\/td>\n<\/tr>\n<tr>\n<td>Exceptions<\/td>\n<td>4 specified (consent, crime-fraud, dispute, other statutes)<\/td>\n<td>Consent, co-conspiracy, compelling public interest<\/td>\n<\/tr>\n<\/table>\n<p>    <!-- Section 5 --><br \/>\n    <\/p>\n<h2 id=\"section5\">5. How Should Businesses in South Korea Prepare for ACP?<\/h2>\n<p>In light of this landmark decision and the upcoming enforcement of the amended Attorney-at-Law Act, companies operating in South Korea should take proactive measures to ensure effective ACP protection. Drawing on substantial corporate criminal defense experience, the following practical strategies are recommended.<\/p>\n<h3>Systematic Document Management<\/h3>\n<p>Establish a practice of marking all legal consultation documents and emails with &#8220;Attorney-Client Privilege&#8221; or equivalent designations. This serves as the primary evidence of privileged status during search-and-seizure operations in South Korea. Legal documents should be stored in separate folders or servers, with a clear distinction between legal and general business communications.<\/p>\n<h3>Search-and-Seizure Response Protocols<\/h3>\n<p>Companies should develop or update internal protocols for asserting ACP during search-and-seizure operations. Legal and compliance teams must thoroughly understand the scope and exceptions under South Korean law. A clear procedure for immediately objecting when attorney-client communications are identified during electronic data screening is essential.<\/p>\n<h3>Early Engagement of Counsel<\/h3>\n<p>Since privilege under South Korean law requires the involvement of a licensed attorney under the Attorney-at-Law Act, significant matters requiring ACP protection should involve counsel from the earliest stages. Internal investigation reports, risk assessments, and compliance-related documents should be prepared under attorney supervision to qualify for protection.<\/p>\n<h3>Preventing Inadvertent Waiver<\/h3>\n<p>Communications shared with third parties outside the attorney-client relationship may lose their privileged status. Companies should strictly limit distribution of legal consultation materials and manage access on a &#8220;need-to-know&#8221; basis to prevent inadvertent waiver under South Korean law.<\/p>\n<p>    <!-- Section 6 --><br \/>\n    <\/p>\n<h2 id=\"section6\">6. What Are the Limitations and Future Outlook?<\/h2>\n<p>While this Supreme Court decision is groundbreaking in establishing the constitutional basis for ACP in South Korea, its scope has certain limitations, and several issues remain to be developed through future case law.<\/p>\n<h3>Limitation to Criminal Proceedings<\/h3>\n<p>The decision is grounded in constitutional provisions on the right to counsel in criminal proceedings (Articles 12(4) and 12(5)) and the Criminal Procedure Act (Articles 34, 112, 149, and 219), making direct application to civil document production orders or administrative investigations difficult. This contrasts with Article 26-2 of the amended Attorney-at-Law Act, which covers &#8220;legal cases or legal affairs&#8221; broadly. After the Act takes effect on February 19, 2027, expansion of ACP protection to civil and administrative contexts in South Korea is anticipated.<\/p>\n<h3>Developing Standards for &#8220;Compelling Public Interest&#8221;<\/h3>\n<p>The Supreme Court&#8217;s criteria for the &#8220;compelling public interest necessity&#8221; exception remain at a general level. How these standards are applied to individual cases under South Korean law will be determined through subsequent decisions.<\/p>\n<h3>In-House Counsel Communications<\/h3>\n<p>Whether communications between in-house counsel and corporate employees fall within ACP in South Korea will be a significant practical issue. Licensed in-house counsel may qualify in principle, but precise boundaries await judicial clarification.<\/p>\n<h3>Future Outlook<\/h3>\n<p>This decision provides a legal basis for asserting ACP on constitutional grounds even before the amended Act takes effect, representing a significant check on indiscriminate seizure of attorney-client communications in South Korea. As the Act takes effect on February 19, 2027 and case law accumulates, ACP principles will continue to develop. Companies and clients operating in South Korea should closely monitor these developments and adopt proactive compliance strategies.<\/p>\n<p>    <!-- FAQ Section --><br \/>\n    <\/p>\n<h2 id=\"section7\">7. FAQ<\/h2>\n<div class=\"faq-section\" style=\"padding: 20px; border-radius: 0; margin: 30px 0; background-color: #f5f5f5;\">\n<div class=\"faq-item\">\n<div class=\"faq-question\">Q1. What is attorney-client privilege (ACP) in South Korea?<\/div>\n<div class=\"faq-answer\">A. ACP is an evidentiary right protecting confidential attorney-client communications from compelled disclosure. It was codified in Article 26-2 of the amended Attorney-at-Law Act (promulgated Feb. 19, 2026; effective Feb. 19, 2027) and recognized as a constitutional right by the Supreme Court in Decision 2024Mo730.<\/div>\n<\/p><\/div>\n<div class=\"faq-item\">\n<div class=\"faq-question\">Q2. What is the core holding of Supreme Court Decision 2024Mo730?<\/div>\n<div class=\"faq-answer\">A. The Court held that seizure of legal consultation documents between suspects\/defendants and defense counsel infringes the constitutional right to counsel and must not be permitted in principle. Exceptions apply only for client consent, attorney involvement in crime, or compelling public interest necessity \u2014 judged strictly.<\/div>\n<\/p><\/div>\n<div class=\"faq-item\">\n<div class=\"faq-question\">Q3. Can ACP be asserted before the amended Act takes effect on February 19, 2027?<\/div>\n<div class=\"faq-answer\">A. Yes. The Supreme Court established that ACP in criminal matters derives from the constitutional right to counsel under Articles 12(4) and 12(5) of the South Korean Constitution, applying immediately and independently of the statutory effective date.<\/div>\n<\/p><\/div>\n<div class=\"faq-item\">\n<div class=\"faq-question\">Q4. Does this decision apply to civil or administrative proceedings in South Korea?<\/div>\n<div class=\"faq-answer\">A. The decision is limited to criminal proceedings. However, the amended Attorney-at-Law Act covers legal matters broadly, and ACP protections are expected to extend to civil and administrative contexts after February 19, 2027.<\/div>\n<\/p><\/div>\n<div class=\"faq-item\">\n<div class=\"faq-question\">Q5. What documents should companies in South Korea mark as privileged?<\/div>\n<div class=\"faq-answer\">A. All legal consultation emails, attorney opinions, internal investigation reports, risk assessments, and compliance materials prepared with attorney involvement should be marked &#8220;Attorney-Client Privilege&#8221; or &#8220;Privileged and Confidential.&#8221;<\/div>\n<\/p><\/div>\n<div class=\"faq-item\">\n<div class=\"faq-question\">Q6. Are in-house counsel communications protected under South Korean ACP?<\/div>\n<div class=\"faq-answer\">A. The amended Act requires involvement of a licensed attorney. Licensed in-house counsel communications for legal consultation purposes may qualify, but the precise scope awaits judicial clarification.<\/div>\n<\/p><\/div>\n<div class=\"faq-item\">\n<div class=\"faq-question\">Q7. When can ACP be lost or waived under South Korean law?<\/div>\n<div class=\"faq-answer\">A. ACP may be lost when the client consents, privileged communications are shared with third parties, the attorney is involved in the client&#8217;s crime, or the client uses privileged materials for illegal purposes. Strict access controls and need-to-know distribution are essential.<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>    <!-- Experience Statement --><\/p>\n<p>Atlas Legal brings extensive experience in corporate criminal defense, white-collar crime investigations, and regulatory compliance advisory across South Korea. Led by a former prosecutor, the firm provides comprehensive legal services \u2014 from search-and-seizure response and ACP protection strategies to internal compliance system development \u2014 to safeguard corporate defense rights.<\/p>\n<p class=\"disclaimer\" style=\"margin: 20px 0;\">* The legal information presented in this article is intended for general informational purposes only and may not reflect the specific circumstances of individual cases. For advice on actual legal matters, please consult a qualified attorney.<\/p>\n<p>    <!-- Author Box --><\/p>\n<div class=\"author-box\" style=\"background-color: #f8f9fa; padding: 20px; border-radius: 0; margin-top: 30px; border-left: 2px solid #722f37;\">\n<h3>About the Author<\/h3>\n<div class=\"author-name\">Taejin Kim | Managing Partner<\/div>\n<div class=\"author-info\">Corporate Advisory, Corporate Disputes, and White-Collar Criminal Defense<\/div>\n<div class=\"author-info\">Former Prosecutor | 33rd Class, Judicial Research and Training Institute<\/div>\n<div class=\"author-info\">LL.B., LL.M. in Criminal Law (Korea University); LL.M. (University of California, Davis)<\/div>\n<div class=\"author-info\">Atlas Legal | Songdo, Incheon, South Korea<\/div>\n<p>        <a href=\"https:\/\/atlaw.kr\" target=\"_blank\" rel=\"noopener noreferrer\">Visit Atlas Legal Website<\/a>\n    <\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Table of Contents 1. What Is Attorney-Client Privilege (ACP) in South Korea? 2. What Are the Facts Behind Supreme Court Decision 2024Mo730? 3. What Legal Principles Did the South Korean Supreme Court Establish? 4. How Does the Amended Attorney-at-Law Act Relate to the Decision? 5. How Should Businesses in South Korea Prepare for ACP? 6&#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":[218,15,16,224],"tags":[454,453,457,456,455],"class_list":["post-630","post","type-post","status-publish","format-standard","hentry","category-corporate-counseling","category-corporate","category-criminal","category-white-collar-crime","tag-acp-south-korea","tag-attorney-client-privilege","tag-corporate-criminal-defense","tag-search-and-seizure-defense","tag-supreme-court-2024mo730"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What Is Attorney-Client Privilege (ACP) in South Korea? 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