Text of the provision

Art. 1355. Except in cases specified by law, lesion or inadequacy of cause shall not invalidate a contract, unless there has been fraud, mistake or undue influence.

(n)

Civil Code of the Philippines, Republic Act No. 386, approved June 18, 1949, effective August 30, 1950. Reproduced in full; verified verbatim against the LawPhil and ChanRobles official-text renderings.

What this article means

Except where the law provides, lesion or inadequacy of cause does not invalidate a contract — unless there was fraud, mistake, or undue influence. Mere unfairness of price is generally not a ground to void a contract.

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Cases citing this article

Compiled automatically from Supreme Court decisions published on LawPhil that expressly cite this article, most frequently cited first. A listing means the decision cites the provision — it is not a statement that the case is the leading authority, and it does not show whether a ruling has since been modified or abandoned. Always read the decision itself.

Note. The text of the provision above is reproduced in full from the official enactment (Republic Act No. 386), verified against the LawPhil and ChanRobles renderings. The annotation and commentary around it are the work of Vivas & Nobles Law Office and are general legal information, not legal advice. How a provision applies to a particular situation depends on facts that only a lawyer reviewing your case can assess.