The doctrine of lis pendens is a fundamental principle in civil law that pertains to the prohibition of alienation or transfer of property during the pendency of a litigation concerning that property. Its primary purpose is to ensure the stability and finality of court decisions by binding subsequent purchasers or transferees to the outcome of the ongoing suit. This doctrine acts as a form of constructive notice to all interested parties that any dealings with the property are subject to the result of the litigation.

According to the legal principles, when a suit involving a property is pending, any transfer or sale of that property made during the course of the litigation is considered null or invalid if it contravenes the doctrine. This is because such transfers are deemed to be made in a context where the rights of the parties are yet to be determined, and allowing them could undermine the court's authority and the finality of its judgment. The doctrine thus prevents parties from circumventing the litigation process through subsequent alienations, ensuring that the property remains subject to the rights and obligations established by the court.

Furthermore, the doctrine of lis pendens applies regardless of whether the subsequent purchaser had actual notice of the pending litigation. It is treated as constructive notice, meaning that any purchaser or transferee is presumed to be aware of the ongoing suit and is bound by its outcome. This principle promotes transparency and fairness in property transactions during litigation, discouraging parties from attempting to manipulate or influence the litigation process through clandestine transfers.

In essence, the doctrine safeguards the integrity of judicial proceedings by preventing parties from alienating property to avoid or influence the litigation's outcome. It emphasizes that the rights of the parties involved in the suit take precedence over subsequent transactions, thereby maintaining the rule of law and ensuring that property rights are settled conclusively through the judicial process.