
Public Security Bureau Registration Rules for Chinese Corporate Seals
PSB seal recordation binds corporate authority through a 13-digit code, overriding signatures unless fraudulent creation meets explicit civil code standards.
Judicial disputes arising from the use of counterfeit or unauthorized stamps on commercial documents require a court to determine the validity of the underlying agreement. Forged corporate seal litigation typically involves a company denying its obligation to a contract by claiming that the stamp applied by its representative or a third party was a fake. These cases are complex because they often intersect with criminal law and the doctrine of apparent authority.
The court must decide whether the company was a victim of a crime or if its own negligence in managing its seals created the opportunity for the forgery. This legal process applies to disputes over loan agreements, supply contracts and guarantees where a seal is the primary evidence of consent. It stops applying if the parties reach a settlement or if the company chooses to ratify the unauthorized contract despite the forgery.
Establishing the physical status of the seal impression is the first step in determining the direction of the legal proceedings. During forged corporate seal litigation, the court often appoints a forensic handwriting and seal expert to compare the disputed impression with the official record held by the police. These experts examine the ink distribution, the microscopic imperfections in the carving and the exact dimensions of the characters and the 13-digit code.
If the impression is found to be a perfect match for the registered seal, the company must then prove that the seal was used without authorization. However, if the seal is a counterfeit, the focus of the trial shifts to whether the other party acted in good faith when they accepted the document. The presence of a high-quality forgery can complicate the case, especially if the fake seal was produced using a high-resolution scan of a genuine impression.
Legal liability may still attach to a company even if the seal used on a contract is proven to be a forged copy. Forged corporate seal litigation frequently centers on the question of whether the company’s actions led the counterparty to believe the seal was genuine. If the company allowed an individual to use its office space, letterhead and corporate identity to negotiate the deal, the court may find that the company is bound by the contract.
This is particularly true if the company received some benefit from the transaction before claiming the seal was forged. The Civil Code of the People’s Republic of China provides protection to third parties who have no way of knowing that a seal is a fake. Companies that fail to report a lost seal or that have a history of lax seal management are more likely to lose these cases.
Parallel investigations by the public security bureau often run alongside the civil trial to identify the individuals responsible for the counterfeit. Forged corporate seal litigation can be suspended if a criminal case is opened, as the findings of the police may determine the outcome of the civil dispute. Forging a corporate seal is a serious crime in China that can lead to imprisonment for the individuals involved and heavy fines for any complicit organizations.
If the criminal investigation proves that the company’s own legal representative was involved in the forgery to defraud a partner, the company cannot use the forgery as a defense against the contract’s validity. The court will look at the flow of funds to see who profited from the forged document. Once the criminal aspect is resolved, the civil court uses the evidence to allocate the financial losses between the parties.
This dual-track system ensures that both the integrity of the corporate registry and the rights of commercial partners are upheld.

PSB seal recordation binds corporate authority through a 13-digit code, overriding signatures unless fraudulent creation meets explicit civil code standards.
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