First identify the tools, owner, custodian and agreed return terms. Payment for tooling does not resolve every ownership or lien question. Plan a documented handover or appropriate legal relief rather than attempting self-help removal.
Start by separating the physical tools from the wider manufacturing relationship
A manufacturer refuses to release a mold after the buyer decides to move production. The buyer paid tooling charges and considers the issue straightforward. The factory says invoices remain unpaid, it owns the design, or the mold belongs to a subcontractor.
A useful review separates four questions: ownership of the physical item, the right to possess it now, any contractual handover obligation, and rights in drawings, software or other intellectual property. Paying a tooling invoice is important evidence; it may not answer all four.
This guide concerns physical molds, dies, fixtures and similar tooling located in mainland China. It does not determine ownership of patents, design rights or software, and it does not assume that an overseas intellectual-property registration resolves possession of a mold in a Chinese factory.
Identify the exact items and the legal holder
Create an inventory with photographs, identifying numbers, dimensions, project or part numbers, cavity details where relevant, location and current custodian. Distinguish original tools, replacement inserts, spare components and digital production files.
Ask which entity actually holds each item. The seller on the supply agreement may not be the factory operator or the subcontractor making the mold. This matters both to a voluntary handover and to the specificity of any legal application.
A request for all our molds can be difficult to implement where several projects, revisions and owners share a workshop. The practical objective is an inventory that an independent person could use to identify the property without relying entirely on the supplier's cooperation.
Read the ownership and handover terms closely
Collect the tooling agreement, manufacturing agreement, purchase orders, invoices, payment records, acceptance material and any acknowledgment that the buyer owns the tools. Look for provisions on when ownership transfers, permitted use, storage, maintenance, insurance, transfer between factories and release at termination.
A tooling fee may describe development work, amortized production costs, a deposit or an outright purchase. Resolve what the payment actually bought. The answer can differ from the label in an informal spreadsheet.
Where ownership is established, Civil Code Article 235 is relevant to a claim for return of property held without entitlement. Contractual delivery or return obligations may provide an additional or different basis. A demand still needs to address any lawful defense to immediate possession. [1]
Do not dismiss the factory's lien argument without checking it
A supplier cannot establish a right to retain property simply by saying money is owed. However, Chinese law recognizes possessory liens in defined circumstances, and a tooling dispute should account for them rather than assume payment of the tooling invoice defeats every lien.
Civil Code Articles 447-449 address lawful possession, due debt, the relationship between property and claim, and exclusions. Article 448 contains an enterprise-to-enterprise exception to the same-legal-relationship requirement. Article 783 separately addresses retention or refusal to deliver completed work where the ordering party has not paid relevant remuneration or material charges, unless otherwise agreed. [1]
That framework makes the facts important: who owns the tool, who possesses it, who owes the alleged debt, whether it is due, what exclusions were agreed, and whether the asserted claim is genuine. A separate production invoice may require analysis rather than an automatic yes or no.
Before offering money to obtain release, ask how any disputed payment, reservation of rights and release of the tooling will be documented. Do not turn an arguable retention dispute into an unqualified admission of a larger alleged debt.
Choose between return, a controlled transfer and replacement economics
The business objective may be restarting production, not simply winning an ownership declaration. Compare the time and expense of recovery with making replacement tooling, including validation, customer approvals and compatibility. Replacement may reduce disruption while legal recovery continues, but the cost and any claimed losses still need a defensible basis.
A negotiated transfer protocol should identify the inventory, inspection arrangements, removal responsibility, packing, transport, receiving factory, missing components and condition at handover. Preserve proof of what was actually transferred. Address digital files separately rather than assuming they accompany the physical tools.
Do not arrange forcible entry or removal from the workshop. Even a strong ownership position is not permission to trespass, seize disputed items or interfere with third-party property. Use an agreed handover or lawful proceedings.
Preservation is not the same as immediate delivery to the buyer
Where there is credible evidence that a specific mold may be moved, destroyed or disposed of, discuss proportionate preservation with counsel. The available measure depends on jurisdiction, the claim, evidence of risk and security requirements. The Civil Procedure Law provides the general framework for property, conduct and evidence-preservation measures. [2]
An order restricting disposal would not automatically authorize the buyer to collect the tools and use them elsewhere. A request for interim conduct relief or advance enforcement presents separate requirements. The application should not ask the court to decide the final ownership or possession dispute under the guise of a routine freeze.
If tooling is kept by a third party, establish its role and location. Preservation of a named supplier's assets is not a blanket entitlement to seize items belonging to or lawfully held by someone else. The asset-preservation guide provides the broader framework.
An illustrative scenario: tooling paid, production invoices disputed
Illustrative scenario only; not a past client matter. An overseas buyer has paid a tooling invoice in full. It later disputes the quality of a production batch and withholds a separate invoice. The factory refuses to release the mold when the buyer changes suppliers.
The review should distinguish ownership from the present right to possession and assess the alleged unpaid debt and any lien exclusion. The defective-goods guide is relevant to the batch dispute, but that dispute should not be allowed to obscure the tooling inventory and contractual handover terms.
A commercial resolution might involve a controlled transfer alongside a defined mechanism for the disputed balance. Whether that is preferable to proceedings depends on enforceability, production urgency, the evidence and the real value of the tools.
Improve the next tooling agreement before production begins
For future projects, document title transfer, permitted use, marking, inventory updates, access, storage, subcontracting consent, return events and the mechanics of transfer. Deal expressly with liens and retention rights through legally reviewed wording instead of relying on a vague statement that the tools are customer property.
Specify the treatment of replacement parts, copies and improvements. Identify what design data or programs must be delivered and what rights accompany them. Use a handover protocol that remains workable when the relationship has deteriorated.
For a factory in Shenzhen, Dongguan or elsewhere in South China, a local review should connect the contract with the actual custodian and location. The supplier-disputes page explains the scope of China-side assistance.
Frequently asked questions
Does paying for a mold always prove that I own it?
Not necessarily. The agreement, nature of the charge, transfer terms, acknowledgments and identification of the item must be considered together.
Can a factory keep tooling for a different unpaid order?
It requires legal analysis. The enterprise-to-enterprise lien rule means that lack of a connection to the same order is not always decisive; ownership, possession, due debt, the parties and any contractual exclusion remain relevant. [1]
Is a photograph enough for a return claim?
It may help identify the tool, but strengthen it with project numbers, ownership documents, location evidence and a precise inventory. A remedy is easier to implement when the item and custodian can be identified reliably.
Official legal sources
Legislative references were checked for this article on 19 October 2026. The English discussion is a summary, not an official translation. Apply the relevant law, contract and procedural requirements to the specific transaction.
- PRC Civil Code. Articles 235, 447-449 and 783: return of property, possessory liens and retention of completed work. Chinese statutory text.
- PRC Civil Procedure Law (2023 amendment). Article 84 and Articles 103-110: evidence preservation, property or conduct measures and advance enforcement. Different measures have different prerequisites.
Fan Yuanyuan
Partner, Guangdong Yushuang Law Firm
PRC Lawyer License No. 14403201810021216
Shenzhen, Guangdong, China
Start with party names and the commercial objective.
Send a non-confidential summary and any known deadline for a conflicts and scope review. Do not send sensitive documents before document-transfer arrangements are confirmed.
General information, not legal advice. Examples are expressly hypothetical and do not describe a client result. Reading this page or sending an enquiry does not create a lawyer-client relationship. Applicable law, forum, deadlines and remedies require a case-specific review.