{"id":66701,"date":"2025-10-25T10:02:48","date_gmt":"2025-10-25T01:02:48","guid":{"rendered":"https:\/\/monolith.law\/en\/?p=66701"},"modified":"2026-01-30T19:11:25","modified_gmt":"2026-01-30T10:11:25","slug":"joint-copyright-exercise-japan","status":"publish","type":"post","link":"https:\/\/monolith.law\/en\/general-corporate\/joint-copyright-exercise-japan","title":{"rendered":"Understanding Joint Work and Identification of an Author under Japanese Copyright Act"},"content":{"rendered":"\n<p>Japan\u2019s content industry, spanning film, animation, music, and literature, is internationally recognized for its scale and creativity. For companies entering or expanding in this market, a clear understanding of the structure of Japan\u2019s copyright regime is essential to manage risk and capture business opportunities. Although the basic architecture of copyright law overlaps with other jurisdictions, Japan has distinctive rules that can materially affect outcomes, particularly in collaborative creation and large-scale projects such as films.<\/p>\n\n\n\n<p>This article focuses on two practice-oriented themes under the Copyright Act of Japan: the legal treatment of joint work when multiple creators are involved, and the identification of an author for cinematographic works, including the allocation of moral rights. It also outlines the basic rules on the duration of copyright protection, which directly affects the valuation and management of content assets. The aim is to provide executives and in-house counsel engaged with Japan\u2019s content industries with a practical framework for structuring transactions and avoiding disputes.\u200b<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_53 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/monolith.law\/en\/general-corporate\/joint-copyright-exercise-japan\/#Japanese_Joint_Work_Rights_Attribution_and_Exercise_in_Collaborative_Creations\" title=\"Japanese Joint Work: Rights Attribution and Exercise in Collaborative Creations\">Japanese Joint Work: Rights Attribution and Exercise in Collaborative Creations<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/monolith.law\/en\/general-corporate\/joint-copyright-exercise-japan\/#Definition_of_%E2%80%9CJoint_Work%E2%80%9D_Under_Japanese_Copyright_Law\" title=\"Definition of \u201cJoint Work\u201d Under Japanese Copyright Law\">Definition of \u201cJoint Work\u201d Under Japanese Copyright Law<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/monolith.law\/en\/general-corporate\/joint-copyright-exercise-japan\/#The_Principle_of_Unanimous_Consent_in_the_Exercise_of_Rights\" title=\"The Principle of Unanimous Consent in the Exercise of Rights\">The Principle of Unanimous Consent in the Exercise of Rights<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/monolith.law\/en\/general-corporate\/joint-copyright-exercise-japan\/#Prohibition_of_Unjustly_Refusing_Consent\" title=\"Prohibition of Unjustly Refusing Consent\">Prohibition of Unjustly Refusing Consent<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/monolith.law\/en\/general-corporate\/joint-copyright-exercise-japan\/#Confronting_Infringement_and_Disposal_of_Share_of_Joint_Copyright\" title=\"Confronting Infringement and Disposal of Share of Joint Copyright\">Confronting Infringement and Disposal of Share of Joint Copyright<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/monolith.law\/en\/general-corporate\/joint-copyright-exercise-japan\/#Identifying_the_Copyright_Holder_The_Unique_Legal_Framework_for_Cinematographic_Works_Under_Japanese_Copyright_Act\" title=\"Identifying the Copyright Holder: The Unique Legal Framework for Cinematographic Works Under Japanese Copyright Act\">Identifying the Copyright Holder: The Unique Legal Framework for Cinematographic Works Under Japanese Copyright Act<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/monolith.law\/en\/general-corporate\/joint-copyright-exercise-japan\/#Special_Provisions_on_Copyright_of_Films\" title=\"Special Provisions on Copyright of Films\">Special Provisions on Copyright of Films<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/monolith.law\/en\/general-corporate\/joint-copyright-exercise-japan\/#Who_Is_the_%E2%80%9CAuthor%E2%80%9D_of_a_Film_Under_Japanese_Copyright_Act\" title=\"Who Is the \u201cAuthor\u201d of a Film Under Japanese Copyright Act?\">Who Is the \u201cAuthor\u201d of a Film Under Japanese Copyright Act?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/monolith.law\/en\/general-corporate\/joint-copyright-exercise-japan\/#The_Location_of_Moral_Rights_Under_Japanese_Copyright_Act\" title=\"The Location of Moral Rights Under Japanese Copyright Act\">The Location of Moral Rights Under Japanese Copyright Act<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/monolith.law\/en\/general-corporate\/joint-copyright-exercise-japan\/#Exceptions_to_Copyright_Rules_for_Films_and_Practical_Considerations\" title=\"Exceptions to Copyright Rules for Films and Practical Considerations \">Exceptions to Copyright Rules for Films and Practical Considerations <\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/monolith.law\/en\/general-corporate\/joint-copyright-exercise-japan\/#Exception_1_Wroks_made_in_the_course_of_Duty\" title=\"Exception 1: Wroks made in the course of Duty \">Exception 1: Wroks made in the course of Duty <\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/monolith.law\/en\/general-corporate\/joint-copyright-exercise-japan\/#Exception_2_Films_for_Broadcasting\" title=\"Exception 2: Films for Broadcasting\">Exception 2: Films for Broadcasting<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/monolith.law\/en\/general-corporate\/joint-copyright-exercise-japan\/#Challenges_in_Practice_as_Seen_from_Court_Cases\" title=\"Challenges in Practice as Seen from Court Cases\">Challenges in Practice as Seen from Court Cases<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/monolith.law\/en\/general-corporate\/joint-copyright-exercise-japan\/#Copyright_Protection_Duration_The_Temporal_Limits_of_Rights_in_Japan\" title=\"Copyright Protection Duration: The Temporal Limits of Rights in Japan\">Copyright Protection Duration: The Temporal Limits of Rights in Japan<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/monolith.law\/en\/general-corporate\/joint-copyright-exercise-japan\/#General_Principle_of_Protection_Duration\" title=\"General Principle of Protection Duration\">General Principle of Protection Duration<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/monolith.law\/en\/general-corporate\/joint-copyright-exercise-japan\/#Exceptions_to_the_Principle\" title=\"Exceptions to the Principle\">Exceptions to the Principle<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/monolith.law\/en\/general-corporate\/joint-copyright-exercise-japan\/#Conclusion\" title=\"Conclusion\">Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Japanese_Joint_Work_Rights_Attribution_and_Exercise_in_Collaborative_Creations\"><\/span>Japanese Joint Work: Rights Attribution and Exercise in Collaborative Creations<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>In practice, it\u2019s common for multiple people to collaborate on a single work. In these cases, \u2018joint work\u2019 applies, and Japanese law has specific rules for how these rights are managed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Definition_of_%E2%80%9CJoint_Work%E2%80%9D_Under_Japanese_Copyright_Law\"><\/span>Definition of \u201cJoint Work\u201d Under Japanese Copyright Law<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Under Article 2, Paragraph 1, Item 12 of the Japanese Copyright Act, \u201cJoint Work\u201d is defined as \u201ca work created by two or more persons whose contributions to the work cannot be separated so as to allow each part of the work to be used independently.\u201d This definition has two requirements: first, there must be joint involvement in the creative process itself, and second, the individual contributions must be inseparable at the level of the finished work.\u200b<\/p>\n\n\n\n<p>Providing ideas, supervision, or general assistance does not, by itself, make a person a joint author; the person must engage in the creative act that shapes the protectable expression. A typical joint work would be a piece of music co-composed by several people, where it is not practically or conceptually possible to distinguish who created which specific musical elements. By contrast, combinations such as a novel and its illustrations, where each component can be exploited independently, are treated as \u201ccomposite works,\u201d and each author, in principle, exercises rights separately in their own contribution.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Principle_of_Unanimous_Consent_in_the_Exercise_of_Rights\"><\/span>The Principle of Unanimous Consent in the Exercise of Rights<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Where copyright is jointly owned, the exercise of that right is subject to a strict unanimity rule intended to protect each co-owner. Article 65, paragraph 2 of the Japanese Copyright Act provides that \u201ca joint copyright may not be exercised without the unanimous agreement of all the co-owners\u201d, and \u201cexercise\u201d covers both authorizing third parties and using the work oneself.\u200b<\/p>\n\n\n\n<p>As a result, a single co-owner may not unilaterally decide to publish the work, upload it to a website, or grant a license to another company without the consent of the others. This framework seeks to prevent situations where one co-owner\u2019s unilateral use prejudices the economic or reputational interests of others.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Prohibition_of_Unjustly_Refusing_Consent\"><\/span>Prohibition of Unjustly Refusing Consent<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>If the unanimity requirement is applied without qualification, the work may be effectively locked and unusable if one co-owner refuses to cooperate. To mitigate this risk, Article 65, paragraph 3 of the Copyright Act of Japan provides that a co-owner may not obstruct the formation of consent \u201cwithout just cause.\u201d\u200b<\/p>\n\n\n\n<p>\u201cJust cause\u201d is not defined in the statute and is interpreted by the courts based on the specific facts, including the parties\u2019 conduct and the overall course of dealings. For example, in the Osaka District Court\u2019s judgment of August 27, 1992 (the \u201cQuiet Flame\u201d case), refusal of consent was treated as justifiable where another co-owner had advanced license negotiations unilaterally without sufficient consultation. Conversely, where a co-owner continues to withhold consent without a rational basis, the other co-owners may bring an action seeking a court judgment that functions as a substitute for that party\u2019s manifestation of intent.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Confronting_Infringement_and_Disposal_of_Share_of_Joint_Copyright\"><\/span>Confronting Infringement and Disposal of Share of Joint Copyright<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The unanimity principle also applies to the disposition of jointly owned copyright, such as transfers to third parties or the establishment of pledge. Article 65, paragraph 1 of the Copyright Act of Japan requires the consent of all co-owners for these acts, and the same restriction on unjustified refusal of consent applies.\u200b<\/p>\n\n\n\n<p>The position is different, however, where a third party infringes joint work. Under Article 117 of the Copyright Act of Japan, each co-owner may individually seek an injunction to stop the infringing conduct, and the law does not require unanimous consent in light of the need for prompt and effective relief. As to monetary relief, each co-owner is generally entitled to claim damages only in proportion to that person\u2019s share of joint copyright, so the allocation of shares should be addressed clearly at the contracting stage whenever possible.\u200b<\/p>\n\n\n\n<p>In sum, Japan\u2019s framework for jointly owned copyright is built on a baseline of collective decision-making, tempered by a prohibition on arbitrary refusals of consent and practical mechanisms for enforcement against third-party infringers. Companies that engage in joint development, co-production, or other collaborative creative projects should reflect these statutory rules in their contracts, including detailed provisions on use of the work, licensing procedures, and dispute-resolution mechanisms among co-owners.\u200b<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Identifying_the_Copyright_Holder_The_Unique_Legal_Framework_for_Cinematographic_Works_Under_Japanese_Copyright_Act\"><\/span>Identifying the Copyright Holder: The Unique Legal Framework for Cinematographic Works Under Japanese Copyright Act<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>As a default rule, the author who creates a work originally acquires the economic rights, but cinematographic works are treated differently under the Copyright Act of Japan.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Special_Provisions_on_Copyright_of_Films\"><\/span>Special Provisions on Copyright of Films<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Article 29, paragraph 1 of the Copyright Act of Japan provides that, if the author of a cinematographic work has promised the producer of the cinematographic work that the author will participate in its production, the copyright to that cinematographic work belongs to the producer of the cinematographic work. &#8220;Producer of a cinematographic work&#8221;&nbsp;is defined in Article 2, paragraph 1, item 10 as the person that does the conceptualizing and has the responsibility in the production of a cinematographic work, which in practice usually means the production company or studio that handles financing and overall management.\u200b<\/p>\n\n\n\n<p>The core legal feature of Article 29 is that it establishes original attribution, not a mere statutory presumption of transfer. Copyright does not first arise in the hands of individual creators, such as the director, and then transfer; instead, it originates in the film producer from the moment the work comes into existence. This approach is grounded in the reality that cinematographic works require substantial capital and coordinated contributions from many people, and that centralizing rights in the producer facilitates licensing, distribution, and exploitation across different media.\u200b<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Who_Is_the_%E2%80%9CAuthor%E2%80%9D_of_a_Film_Under_Japanese_Copyright_Act\"><\/span>Who Is the \u201cAuthor\u201d of a Film Under Japanese Copyright Act?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The fact that the copyright belongs to the film producer does not mean that there is no \u201cauthor\u201d in the sense used by the Copyright Act of Japan. Article 16 defines the author of a cinematographic work as the person that makes a creative contribution to the overall shaping of the work through responsibility for its production, direction, staging, filming, art direction, etc., and this category typically includes the director.\u200b<\/p>\n\n\n\n<p>By contrast, the author of the original novel, the screenwriter, and the composer of the music are authors of their respective works but are not treated as authors of the cinematographic work itself. Their contributions are component literary work, script, or musical composition\u2014that are incorporated into the film, but they do not themselves shape the overall structure of the finished cinematographic work in the sense required by Article 16.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Location_of_Moral_Rights_Under_Japanese_Copyright_Act\"><\/span>The Location of Moral Rights Under Japanese Copyright Act<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Although Article 29 allocates economic rights in cinematographic works to film producers, moral rights are treated separately under the Copyright Act of Japan. Economic rights, such as the rights of reproduction, distribution, and transmission to the public, are proprietary rights categorized as \u201ccopyrights,\u201d whereas moral rights\u2014such as the right to make a work public, the right of attribution, and the right to integrity\u2014are understood to be inherent in the individual author.\u200b<\/p>\n\n\n\n<p>These moral rights remain with the film\u2019s author, such as the director, even where the copyright in the cinematographic work vests originally in the film producer. Accordingly, film producers must exercise caution to avoid infringing upon the moral rights of authors, such as directors, when making modifications to a film.<\/p>\n\n\n\n<p>The relationship between the director and the production company in a typical film can be summarized as follows.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td>Characteristic<\/td><td>Film Author (e.g., Director)<\/td><td>Film Producer (e.g., Production Company)<\/td><\/tr><\/thead><tbody><tr><td>Legal Status<\/td><td>Author<\/td><td>Copyright Holder<\/td><\/tr><tr><td>Economic Rights (Copyright)<\/td><td>Does not hold<\/td><td>Holds all economic rights including reproduction, distribution, and transmission to the public<\/td><\/tr><tr><td>Personal Rights (Moral Rights)<\/td><td>Holds (e.g., right of integrity, right of attribution)<\/td><td>Does not hold<\/td><\/tr><tr><td>Basis of Status<\/td><td>Creative contribution to the overall shaping of the film (Article 16)<\/td><td>conceptualization and responsibility in production (Article 29)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Exceptions_to_Copyright_Rules_for_Films_and_Practical_Considerations\"><\/span>Exceptions to Copyright Rules for Films and Practical Considerations <span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Although the basic rule under Article 29, paragraph 1 is that the film producer holds the copyright in cinematographic works, the Copyright Act of Japan sets out important exceptions. Businesses must determine which of these frameworks applies to each film they handle.\u200b<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Exception_1_Wroks_made_in_the_course_of_Duty\"><\/span>Exception 1: Wroks made in the course of Duty <span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The first major exception arises where the cinematographic work qualifies as a work made in the course of duty under Article 15 of the Copyright Act of Japan. Under this provision, for a work that an employee of a corporation or other employers (hereinafter in this Article such a corporation or other employers are referred to as a &#8220;corporation, etc.&#8221;) makes in the course of duty at the initiative of the corporation, etc., and that the corporation, etc. makes public as a work of its own authorship, the author is the corporation, etc., so long as it is not stipulated otherwise in a contract, in employment rules, or elsewhere at the time the work is made.<\/p>\n\n\n\n<p>In a film context, this may occur where a production company produces a film internally through a director who is an employee. In such a case, the corporation is not merely the copyright holder under Article 29 but is instead treated as the author, which means both economic rights and moral rights that would otherwise vest in the director are attributed to the company itself.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Exception_2_Films_for_Broadcasting\"><\/span>Exception 2: Films for Broadcasting<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The second exception concerns cinematographic works produced exclusively for broadcasting, such as television programs made by broadcasters. Article 29, paragraph 2 of the Copyright Act of Japan provides that, for such works, certain rights belong to that broadcaster as the producer of the cinematographic work\u2014namely, the right to broadcast, the right to transmit, and the right to reproduce the work for broadcasting and distribute those copies to other broadcasters.\u200b<\/p>\n\n\n\n<p>Other rights, including the right to exhibit the work in theaters or to exploit it in formats such as DVDs or other packaged media, generally remain with the author, such as the director, unless the parties agree otherwise by contract. This structure reflects the business model of broadcasting, where the core economic interest lies in the ability to transmit the work.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Challenges_in_Practice_as_Seen_from_Court_Cases\"><\/span>Challenges in Practice as Seen from Court Cases<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Despite the existence of these statutory provisions, determining rights in older films\u2014particularly those produced under previous versions of the Copyright Act of Japan\u2014can be complex. A notable example is the Intellectual Property High Court judgment of June 17, 2010 (Heisei 21 (Ne) 10050), which addressed the attribution of copyright in a film produced under the old law.<\/p>\n\n\n\n<p>In that case, the court recognized the director as one of the authors but held that copyright had been implicitly transferred to the film company and granted the company\u2019s request for an injunction against infringement. At the same time, the court dismissed the claim for damages, finding no negligence on the part of the defendant in light of the ongoing academic debate and the resulting uncertainty over authorship and rights allocation under the former regime. The decision illustrates that, even with statutory rules in place, interpretation can remain unsettled, and it highlights the need for thorough due diligence when acquiring or exploiting historic film libraries.<\/p>\n\n\n\n<p>Overall, the Copyright Act of Japan sets up a layered system for allocating rights in cinematographic works, depending on the production background and intended use: theatrical films under Article 29, a work made in the course of duty under Article 15, and broadcasting works under Article 29, paragraph 2. For contract negotiations and M&amp;A transactions involving film rights, correctly classifying the work into one of these categories is the starting point for any legal and commercial analysis.\u200b<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Copyright_Protection_Duration_The_Temporal_Limits_of_Rights_in_Japan\"><\/span>Copyright Protection Duration: The Temporal Limits of Rights in Japan<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Copyright protection is inherently time-limited, and once the statutory period expires, works enter the public domain and, in principle, become freely usable.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"General_Principle_of_Protection_Duration\"><\/span>General Principle of Protection Duration<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Under Article 51, paragraph 2 of the Copyright Act of Japan, the general rule is that copyright subsists for 70 years after the death of the author. This period was extended from 50 years to 70 years by an amendment that took effect on December 30, 2018, but protection for works whose term had already expired at that time was not revived.\u200b<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Exceptions_to_the_Principle\"><\/span>Exceptions to the Principle<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The Act sets out several important exceptions to the \u201c70 years after death\u201d rule, depending on the type of work and how it is published.\u200b<\/p>\n\n\n\n<ul>\n<li>Joint works: For works with multiple authors, the protection period runs for 70 years from the death of the last surviving co-author (Article 51, paragraph 2 of the Copyright Act of Japan).\u200b<\/li>\n\n\n\n<li>Anonymous or pseudonymous works: Where a work is published without identifying the author or under a pen name, the term is 70 years from the date of publication, unless the author\u2019s true name becomes known during that period, in which case the general rule of 70 years after death applies (Article 52).\u200b<\/li>\n\n\n\n<li>&nbsp;Works whose authorship is attributed to a corporation or other organization: Works published under the name of a corporation or other organization, including works made in the course of duty, are protected for 70 years from the date of publication (Article 53).\u200b<\/li>\n\n\n\n<li>Cinematographic works: Cinematographic works are likewise protected for 70 years from the date of publication (Article 54), aligning their term with that of works published in the name of corporations.\u200b<\/li>\n<\/ul>\n\n\n\n<p>Article 57 of the Copyright Act of Japan provides that the starting point for the calculation is the year after the year in which the author dies or the work is made public or created. For example, if an author dies in 2020, the 70-year period begins on January 1, 2021, and expires on December 31, 2090.\u200b<\/p>\n\n\n\n<p>The main statutory terms can be summarized as follows.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td>Type of Work<\/td><td>Starting Point of Protection Duration<\/td><td>Protection Duration<\/td><td>Relevant Article<\/td><\/tr><\/thead><tbody><tr><td>Individual work (General principle)<\/td><td>Author&#8217;s death<\/td><td>70 years<\/td><td>Article 51<\/td><\/tr><tr><td>Joint work<\/td><td>Death of the last author<\/td><td>70 years<\/td><td>Article 51<\/td><\/tr><tr><td>Anonymous or pseudonymous work<\/td><td>Publication of the work<\/td><td>70 years<\/td><td>Article 52<\/td><\/tr><tr><td>Workwhose authorship is attributed to a corporation or other organization<\/td><td>Publication of the work<\/td><td>70 years<\/td><td>Article 53<\/td><\/tr><tr><td>Cinematographic work<\/td><td>Publication of the work<\/td><td>70 years<\/td><td>Article 54<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>While the term for an individual\u2019s work is tied to the author\u2019s death, the term for works where a corporation is typically the right holder such as film works is anchored to the objectively verifiable date of publication. Because corporations do not \u201cdie\u201d in the same way as natural persons, using publication as the starting point promotes legal certainty and transactional predictability in managing copyright portfolios. For companies, it is therefore critical to analyze the nature of each asset and identify which set of term rules apply before making strategic decisions about exploitation, enforcement, or divestment.\u200b<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Japan\u2019s copyright regime incorporates distinctive rules that are particularly relevant for collaborative and industrial-scale creative activities, and these rules are increasingly important in cross-border transactions. The strict unanimity principle for joint work, and the special allocation of cinematographic copyright to producers are representative examples. These provisions aim to balance the protection of creators\u2019 rights with the development of the industry.<\/p>\n\n\n\n<p>For companies operating in or entering Japan\u2019s content market, understanding these frameworks is not merely a compliance exercise; it is a strategic requirement for maximizing the value of intellectual property and avoiding disputes over ownership and scope of rights. Monolith Law Office has extensive experience advising domestic and international clients on these issues, including drafting joint work contracts, conducting IP due diligence in media-related M&amp;A, and resolving complex copyright disputes, and can provide support that integrates Japanese legal requirements with global business practices.<\/p>\n\n\n\n<p> If you have any inquiries regarding Japanese copyright law, please do not hesitate to contact us.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Japan\u2019s content industry, spanning film, animation, music, and literature, is internationally recognized for its scale and creativity. For companies entering or expanding in this market, a clear under [&hellip;]<\/p>\n","protected":false},"author":32,"featured_media":66702,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[24,87],"acf":[],"_links":{"self":[{"href":"https:\/\/monolith.law\/en\/wp-json\/wp\/v2\/posts\/66701"}],"collection":[{"href":"https:\/\/monolith.law\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/monolith.law\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/monolith.law\/en\/wp-json\/wp\/v2\/users\/32"}],"replies":[{"embeddable":true,"href":"https:\/\/monolith.law\/en\/wp-json\/wp\/v2\/comments?post=66701"}],"version-history":[{"count":3,"href":"https:\/\/monolith.law\/en\/wp-json\/wp\/v2\/posts\/66701\/revisions"}],"predecessor-version":[{"id":71465,"href":"https:\/\/monolith.law\/en\/wp-json\/wp\/v2\/posts\/66701\/revisions\/71465"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/monolith.law\/en\/wp-json\/wp\/v2\/media\/66702"}],"wp:attachment":[{"href":"https:\/\/monolith.law\/en\/wp-json\/wp\/v2\/media?parent=66701"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/monolith.law\/en\/wp-json\/wp\/v2\/categories?post=66701"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/monolith.law\/en\/wp-json\/wp\/v2\/tags?post=66701"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}