How to Prevent Mold Factories from Using Our Private Molds?

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  • Jan 6, 2026 at 09:16
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We spent a lot of money to open a set of private molds for new products, but we heard that many mold factories secretly use customer molds to produce for other buyers, or even leak designs to competitors. From the perspectives of contract, logistics, and business negotiation, how can we systematically prevent mold factories from abusing our private molds?

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Victor Sun
Victor SunYears of service：5Customer Rating：5.0

Trade Risk Control ManagerStart a Chat

From the perspective of compliance and risk control，the core of preventing mold factories from abusing private molds lies in the clarification of legal ownership and the solidification of the evidence chain. First，a "Mold Development and Custody Agreement" must be signed，clarifying that the ownership of the mold belongs to you，and the mold factory only has the right of custody and use，and the scope of use is limited to producing your product orders. Second，it is recommended to file intellectual property rights with China Customs，especially if your product involves design patents，so that once the mold factory attempts to use your mold to produce infringing products for other customers for export，the customs can investigate and seize them ex officio. Third，all technical drawings，3D files，and modification records related to the mold must be transmitted via traceable means such as email，and complete communication records must be kept. Finally，breach of contract liability should be clearly defined in the contract，including high liquidated damages and mold return clauses，and if necessary，the place of dispute jurisdiction can be agreed as the arbitration institution in your location.

Jason Wu
Jason WuYears of service：10Customer Rating：5.0

International Logistics & Supply Chain ManagerStart a Chat

From the perspective of logistics and physical control, preventing the abuse of private molds key lies in physical isolation and process control. First, if the order volume allows, it is recommended not to keep the mold in the supplier's factory, but to entrust a third-party professional mold warehousing company for custody, authorized by you to transfer to the production line during production, and recovered immediately after production. Second, if the mold must be stored at the supplier's place, clarify the mold's independent coding and identification system in the contract, and require monthly mold status reports and inventory photos. Third, in terms of trade terms, it is recommended to adopt EXW or FCA terms, with the logistics fully controlled by your designated freight forwarder, so that all transport documents related to the mold (including mold transfer orders) are in your hands, forming a chain of title proof. Fourth, purchase special property insurance for the mold, and ensure the insurance clause covers the risk of "unauthorized use", so that once a dispute occurs, the insurance company's intervention in the investigation can also help you fix evidence.

Evelyn Li
Evelyn LiYears of service：3Customer Rating：5.0

Cross-border Compliance SupervisorStart a Chat

From the perspective of business negotiation and relationship management, preventing mold factories from having bad ideas requires "using both kindness and severity" and integrating control into the cooperation mechanism. First, in the supplier screening stage, examine their reputation, prioritize factories with long-term cooperation willingness and moderate scale; large factories may not care about your small orders. Second, in terms of payment methods, it is recommended to pay the mold fee in three installments: 30% deposit, 40% after trial mold acceptance, and the remaining 30% as a "integrity deposit" paid after you receive the last batch of bulk goods and confirm the mold return is correct. Third, embed "exclusivity clauses" and "audit right clauses" in the contract, that is, you have the right to send personnel to the factory to check mold usage records and production schedules with 24 hours' notice. Fourth, establish a positive incentive mechanism, such as promising mold fee refund rewards after the annual purchase volume reaches a certain scale, making the supplier realize that protecting your private mold is protecting his long-term interests. Finally, maintain regular communication, occasionally "unintentionally" revealing that you have a legal team and intellectual property monitoring system to form a psychological deterrent.

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