Property Law in Japan

Overview

Japanese property law is governed principally by Book II of the Civil Code (Minpo), entitled Real Rights (Bukken), comprising Articles 175 through 398. The law of real property in Japan reflects the interaction of a civilian codified framework, a distinctive land registration system, and a unique treatment of buildings as separate legal objects from land. The system has been shaped by the post-war land reforms, the rapid urbanization of the twentieth century, and more recently by the demographic challenges of population decline and abandoned land.

The fundamental structural principle of Japanese real rights law is the numerus clausus — a closed, exhaustive list of permitted real rights. Article 175 CC provides that “[n]o real rights may be created other than those provided for by law or other statutes.” The Civil Code recognizes the following categories of real rights: possession rights (senyūken), ownership (shoyūken), surface rights (chijōken), servitudes (chiekiken), rights of retention (ryūchiken), pledges (shichiken), and mortgages (teitōken). Special statutes add further real rights, including the divided ownership of condominiums and the enterprise security interest.

Ownership

Ownership under the Civil Code confers the right to use, profit from, and dispose of the owned property, subject to the restrictions imposed by the public interest. Articles 206 through 264 CC define the content and limits of ownership. The owner’s right to exclusive use is protected by the rei vindicatio — the owner may demand the return of the property from any possessor without title (Article 202 CC).

Limitations on ownership arise from multiple sources. The Land Expropriation Act (Tochi Shūyō Hō) authorizes the compulsory acquisition of land for public works upon payment of just compensation. The Urban Planning Act (Toshi Keikaku Hō) and the Building Standards Act (Kenchiku Kijun Hō) impose zoning restrictions, density controls, and building code requirements that substantially limit the owner’s freedom to develop land. The Supreme Court has consistently upheld these restrictions as constitutional exercises of the state’s police power, provided the limitations are reasonably related to a legitimate public purpose and do not deprive the owner of all beneficial use.

Possessory Rights

The Civil Code protects possession independently of ownership through the possession right (senyūken). Articles 180 through 205 CC establish that a possessor — defined as a person who exercises de facto control over property with the intent to possess — enjoys the right to maintain possession against all others. The possessory action (senyū soshō) enables a possessor whose possession has been disturbed to seek injunctive relief and damages without proving ownership. This protection reflects the policy of maintaining public order by discouraging self-help, regardless of the underlying title.

Possession is also the basis for acquisitive prescription (shutoku jikō) under Articles 162 and 163 CC. A person who possesses property peaceably and openly for 20 years (immovable property) or 10 years (movable property) acquires ownership. The possessor must have the intent to possess as owner and the possession must not have originated in violence or secrecy.

Surface Rights and Servitudes

Surface rights (chijōken) confer the right to use another’s land for the purpose of owning structures or trees on the land (Article 265 CC). Surface rights are registered and enforceable against successors in title to the land. They are commonly used where a building owner wishes to construct on land owned by another, though the lease of land (shakuchiken) has largely superseded surface rights in practice due to the strong tenant protections available under the lease regime.

Servitudes (chiekiken) are easements that entitle the owner of dominant land to use the servient land for a specified purpose (e.g., a right of way or a right of drainage). Servitudes are created by agreement and must be registered to bind third parties. They are subject to the Civil Code’s numerus clausus, and Japanese law does not recognise affirmative covenants (positive obligations on the servient owner) as real rights.

The Land Lease System

The land lease (shakuchiken) is one of the most important real rights in Japanese practice. The Land and Building Lease Act (Shakuchi Shakka Hō, originally enacted in 1921 and comprehensively reformed in 1991 as the Act on Land and Building Leases) provides strong protection for tenants of land and buildings. The Act distinguishes between fixed-term leases (teiki shakuchiken) and ordinary leases (futsu shakuchiken). Ordinary leases are subject to the Act’s mandatory protections, which include:

• Automatic renewal (kōshin): the lease is presumed to renew automatically unless the landlord objects within a prescribed period and shows “just cause” (seitō na riyū).
• Just cause requirement for non-renewal: the landlord may refuse renewal only where the landlord’s own need for the land is urgent and the tenant’s loss of the lease is reasonably compensated.
• Rent control: the court may adjust rent on application of either party if the agreed rent becomes inappropriate due to changes in economic conditions.

The 1991 reform introduced the fixed-term lease as an alternative, permitting parties to agree on a non-renewable lease with a fixed duration. Fixed-term leases are used primarily for commercial premises where the landlord wishes to avoid the perpetual renewal expectation of the ordinary lease.

The Registration System

The Real Property Registration Act (Fudōsan Tōki Hō, Law No. 123 of 2004) replaced the original 1899 Act and modernized the registration system. The Legal Affairs Bureau (Hōmukyoku), a division of the Ministry of Justice, maintains the registry for each parcel of land and each building. Registration is:

• Constitutive for certain real rights: the creation, transfer, or modification of real rights in immovable property requires registration to be effective against third parties (Article 177 CC). However, as between the parties, the transaction is valid upon agreement.
• Public: the registry is open to public inspection, and any person may obtain certified copies of registered information.
• Evidentiary: the registration record carries a presumption of accuracy, but the presumption may be rebutted by the true owner.

The public confidence effect of registration is limited: unlike in some civil law systems, Japanese law does not confer good-faith acquisition of ownership through reliance on a defective registration. However, the acquirer of a registered real right from a registered owner may rely on the registration if the acquirer was in good faith and the registration was not based on a void transaction.

Land and Buildings as Separate Property

A distinctive feature of Japanese property law is the treatment of land and buildings as separate “real property” (fudōsan). Under Article 86 CC, land and buildings are each classified as immovable property, and each is registered separately. This means that a building owner need not own the land on which the building stands; the building may be owned by one person and the land by another.

Where a building is constructed on another’s land, the legal relationship between the building owner and the landowner is typically governed by a land lease (shakuchiken) or a surface right (chijōken). Separate ownership of land and building creates complex conveyancing and financing issues. A mortgage registered against the land does not automatically extend to the building, and vice versa. In practice, purchasers and lenders require simultaneous transfer or mortgage of both the land and the building.

Condominium Ownership

The Act on Building Unit Ownership (Tatemono no Kubun Shoyū o Settei suru Hōritsu, Law No. 69 of 1962, extensively revised) governs the ownership of condominiums. The Act creates a form of divided ownership (kubun shoyū) in which each unit owner holds a fee simple interest in the individual unit and an undivided co-ownership share in the common elements. The condominium owners’ association (kanri kumiai) is responsible for the management and maintenance of the common property. The Act provides for mandatory contributions to a reserve fund for major repairs and establishes procedures for the reconstruction of the building upon majority vote of unit owners.

The Abandoned Land Problem

Japan faces a significant and growing problem of abandoned land and houses (akiya). Population decline, rural depopulation, and the reluctance of heirs to register inherited land have resulted in millions of parcels with unknown or unlocatable owners. The 2015 revisions to the Real Property Registration Act and related legislation introduced measures to address the problem, including a system for the court-appointed management of unclaimed property and a procedure for the sale of abandoned land on behalf of unknown owners. The akiya problem remains one of the most pressing property law challenges in contemporary Japan.