The Civil Code recognizes specific ways ownership and other real rights are acquired. Ownership may be acquired by occupation (taking things without an owner, like wild animals or abandoned movables — but not land, which cannot be acquired by occupation); by intellectual creation; by law; by donation; by testate and intestate succession; and by tradition, as a consequence of certain contracts (delivery of the thing sold or given). Ownership and real rights over property are also acquired by prescription. A crucial distinction is between title and mode: a contract of sale, for example, is only the title (the legal basis or cause) for acquiring ownership, while delivery (tradition) is the mode that actually transfers ownership. This is why merely signing a deed of sale does not, by itself, transfer ownership until there is delivery, actual or constructive.
How does a person become an owner? The Civil Code lists the specific modes of acquiring ownership — and understanding them clears up common confusion, especially the difference between a contract and actual ownership.
The Modes
Ownership and other real rights are acquired and transmitted by:
- Occupation — taking possession of things without an owner (res nullius), like wild animals or abandoned movables, with intent to acquire them;
- Intellectual creation — the author, composer, or inventor's right over their work;
- Law — where the law directly grants ownership (for example, certain accessions);
- Donation — a gratuitous transfer accepted by the donee;
- Succession — testate (by will) or intestate (by operation of law upon death);
- Tradition (delivery) — as a consequence of certain contracts (like sale, barter, or dation); and
- Prescription — acquiring ownership through the lapse of time and possession under the conditions the law sets.
Land Cannot Be Acquired by Occupation
An important limit: land cannot be acquired by occupation. Unlike a stray animal or an abandoned object, land always has an owner — if not a private person, then the State. So you cannot become the owner of land merely by occupying it (though long possession may ripen into ownership by prescription, where allowed).
The Crucial Distinction: Title vs. Mode
This is where many go wrong. There is a difference between:
- Title — the legal basis or cause for acquiring ownership (for example, a contract of sale); and
- Mode — the process that actually transfers ownership (for a sale, this is delivery / tradition).
So a contract of sale by itself does not transfer ownership — it is only the title. Ownership passes upon delivery of the thing, which may be actual (handing it over) or constructive (such as execution of a public instrument, or delivery of keys).
Why This Matters
It explains real-world outcomes: a buyer who signed a deed but never took delivery may not yet be the owner; a seller who delivered to a second buyer may pass ownership to that buyer first. Ownership is about title + mode, not the contract alone.
Practical Takeaways
- Ownership is acquired by occupation, intellectual creation, law, donation, succession, tradition, and prescription;
- Land cannot be acquired by occupation — long possession may ripen only through prescription;
- A contract (title) is not enough — ownership transfers by delivery (mode), actual or constructive.
Frequently Asked Questions
What are the modes of acquiring ownership? Occupation, intellectual creation, law, donation, testate and intestate succession, tradition (delivery as a consequence of certain contracts), and prescription.
Can I own land just by occupying it? No. Land cannot be acquired by occupation because it always has an owner, if not a private person then the State. Long possession may ripen into ownership only through prescription, where allowed.
Does signing a deed of sale make me the owner? Not by itself. A contract of sale is only the title, the legal cause. Ownership transfers by the mode of delivery (tradition), which may be actual or constructive, such as by execution of a public instrument.
What is the difference between title and mode? Title is the legal basis or cause for acquiring ownership, like a contract of sale. Mode is the process that actually transfers ownership, such as delivery. Both are needed to acquire ownership by contract.
This commentary is for general informational purposes only and does not constitute legal advice. For guidance specific to your situation, please consult a licensed attorney.
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