Short answer. It has almost certainly not expired. No prescription runs in favour of a co-heir against his co-heirs for as long as he recognises the co-ownership, so decades of shared, acknowledged ownership do not bar a partition. What can start a clock is one heir repudiating the co-ownership.

What the law says

The following rights, among others specified elsewhere in this Code, are not extinguished by prescription:

Civil Code, Article 1143 — Rights That Never Prescribe. Read the full provision →

What the law says

No prescription shall run in favor of a co-owner or co-heir against his co-owners or co-heirs so long as he expressly or impliedly recognizes the co-ownership.

Civil Code, Article 494 — Right to Demand Partition. Read the full provision →

What the law says

Where there are two or more heirs, the whole estate of the decedent is, before its partition, owned in common by such heirs, subject to the payment of debts of the deceased.

Civil Code, Article 1078 — Co-Ownership Before Partition. Read the full provision →

Where the answer is written

Article 1143 begins The following rights, among others specified elsewhere in this Code, are not extinguished by prescription: and then names two — demanding a right of way, and abating a nuisance. Partition is not on that short list, which is why the opening words matter: the article is expressly not exhaustive, and the protection for co-heirs is one of the things specified elsewhere. Read on its own, Article 1143 looks like bad news for a family that waited twenty years. It is not the provision that decides the question.

The sentence that actually governs

It is the last line of Article 494: No prescription shall run in favor of a co-owner or co-heir against his co-owners or co-heirs so long as he expressly or impliedly recognizes the co-ownership. Two features carry the weight. Recognition may be implied, so it does not need documents — a family that has always treated the land as everyone's, whoever happened to live on it or pay the tax, is recognising the co-ownership. And the protection is conditional, expressed as so long as. It lasts while the recognition lasts, which in most unsettled family estates means it has never stopped.

What could have started a clock

The corollary of that condition is repudiation: a co-heir who stops recognising the co-ownership and claims the property as exclusively his own. The Code's prescription rules then become relevant — Article 1141 provides that real actions over immovables prescribe after thirty years, and Articles 1134 and 1137 set the periods for acquiring ownership by possession. Whether particular conduct amounts to a repudiation known to the others, and which period would apply, turns on facts and on rules this page does not attempt to settle. It is the point on which the family needs advice, and it is decided by evidence rather than by the passage of time alone.

What to gather before anyone files anything

In the meantime the estate has not gone anywhere. Article 1078 provides that Where there are two or more heirs, the whole estate of the decedent is, before its partition, owned in common by such heirs, subject to the payment of debts of the deceased. and Article 1083 gives every co-heir the right to demand division. Assemble the title and any transfers made since the deaths, the tax declarations and receipts and whose name they carry, and an honest account of who has occupied what and on what footing. Those documents answer the recognition question, and the recognition question answers this one.

Cases citing this provision

These Supreme Court decisions cite the provision above. We list them so you can read them yourself; the summaries of what each decided are not ours to give.

Related provisions

Note. Statute text quoted on this page is reproduced from the official enactment and is linked to the full provision. The explanation around it is general legal information from Vivas & Nobles Law Office, not legal advice. Whether it applies to your situation depends on facts only a lawyer reviewing them can assess.