OEM Tooling Ownership and IP Protection in China: What Your Contract Must Include

The IP Vulnerability Most Brands Don't Discover Until It's Too Late

The adult wellness market has a documented history of IP disputes between Western brands and their Chinese manufacturing partners. The pattern is familiar enough to constitute a recognisable category of business failure: a brand develops a successful product with factory assistance, the product gains commercial traction, and the factory — or a factory employee who has left to start a competing business — begins supplying substantially similar products to competitors.

What makes this pattern so persistent is that most brands either don't have contracts at all, or have contracts that lack the specific clauses required to establish IP ownership under Chinese commercial law.

The common misconception: "We funded the tooling, so we own the molds." This is not automatically true under Chinese law. The legal presumption about who owns property manufactured in China defaults to the manufacturing entity unless contractual language explicitly overrides it. A factory that machined a mold using their own workers, their own machines, and their own facility has a reasonable legal argument for ownership unless your contract says otherwise.

The remedy is not complex. It requires a manufacturing agreement with specific provisions covering five categories: mold ownership, design file ownership, firmware and software ownership, certification ownership, and non-competition obligations. Each of these is discussed in this chapter with specific clause language.

Mold Ownership: The Clause That Protects Your Tooling Investment

Your manufacturing agreement must explicitly address who owns the molds. Ambiguity in this clause is resolved in the factory's favour in Chinese civil courts.

Recommended mold ownership clause language:

"All injection molds, dies, jigs, fixtures, and tooling (collectively 'Tooling') fabricated to Buyer's design specifications under this Agreement are the exclusive property of Buyer. Manufacturer acknowledges and confirms this ownership. Manufacturer shall maintain all Tooling in good working condition at no cost to Buyer during the term of this Agreement and for a period of [24] months thereafter. Upon written request from Buyer, Manufacturer shall deliver all Tooling to a carrier designated by Buyer within [30] days of such request, at Buyer's shipping expense. Manufacturer shall not use Tooling for any purpose other than manufacturing products for Buyer without prior written consent."

Supporting documentation:

• Tooling invoices must be addressed to your company, not to the factory (even if the factory fronts the payment). The invoice documents your company as the purchaser.
• Tooling payment must be made from your company's bank account or clearly documented as a buyer payment in the manufacturing agreement.
• Photograph all molds upon completion and document the serial number (most factories engrave a reference number on molds) in a tooling register with your company's records.

Mold marking:

Some brands engrave a visible ownership mark on non-functional mold surfaces: "[Brand Name] Property — Do Not Copy." This creates an additional evidentiary record of your ownership claim and creates psychological friction against mold copying.

Design File Ownership and Confidentiality

Design files — 3D CAD models, 2D engineering drawings, exploded assembly views, BOM spreadsheets — are the technical blueprint of your product. In the hands of a factory that has left your relationship, these files enable immediate production of copies.

Design file ownership clause:

"All engineering drawings, 3D CAD models, product specifications, and technical documentation (collectively 'Design Files') created by Buyer, or co-developed with Manufacturer under this Agreement at Buyer's direction and expense, are the exclusive property of Buyer. Manufacturer shall maintain all Design Files in strict confidence and shall not use, copy, or disclose them except as necessary to manufacture products for Buyer under this Agreement. Upon termination of this Agreement, Manufacturer shall return or destroy all Design Files within [14] days of written request and confirm destruction in writing."

Practical file management:

• Maintain your own complete, version-controlled design file archive independent of the factory
• Share only the files required for each development stage — don't share the full design package at quotation stage
• Include file watermarks identifying the recipient factory and date
• Use PDF rather than native CAD format for design reviews where possible (PDF is harder to modify and copy than native CAD)

When the factory co-develops:

If the factory contributes engineering design work to your product (common in full-service OEM arrangements), the co-development clause must assign ownership of all co-developed work to Buyer. Without this, the factory has a legitimate claim to joint ownership of anything they created, regardless of who funded the development.

Firmware, Software, and Certification Ownership

For app-connected wellness devices, firmware and software ownership is as important as physical design ownership. For all certified products, owning the certifications saves $10,000–$30,000 in re-certification costs if you switch factories.

Firmware and software ownership:

"All firmware, software, application code, and related intellectual property (collectively 'Software') developed by Manufacturer specifically for Buyer's products under this Agreement, including all vibration pattern libraries, mode logic, connectivity stacks, and app integration code, are the exclusive property of Buyer. Manufacturer shall provide Buyer with complete source code, build tools, and documentation within [30] days of golden sample approval, and shall not use this Software for any other customer's products without prior written consent."

In practice, firmware source code delivery is often resisted by factories who use firmware as a lock-in mechanism. Negotiating this clause requires leverage — typically tied to order volume commitments. For first orders below $100,000, many factories will not agree to source code delivery. Escalate source code ownership to the agenda once your relationship reaches strategic importance.

Certification ownership:

CE declarations, RoHS declarations, FCC grants of equipment authorisation, and testing reports should be held in your company's name, not the factory's name. This is achievable without additional cost — simply specify in your brief and contract that:

• The CE declaration of conformity must list [Your Company] as the economic operator
• FCC filings must be submitted by [Your Company] as the applicant
• All test reports must reference [Your Company] as the client/applicant

If the factory holds certifications in their name, you cannot use these certifications if you change suppliers. Rebuilding a full certification suite costs $15,000–$40,000 and adds 3–6 months to the transition timeline.

Trademark and Industrial Design Registration in China

Contractual IP protection is necessary but not sufficient. Registered intellectual property — trademarks, design patents, and utility patents — provides enforcement mechanisms that contractual clauses alone cannot.

Trademark registration in China:

Register your brand trademark in China Class 10 (medical and surgical instruments, including sexual health devices) and Class 11 (sanitary installations) before sharing your brand identity with any factory. The registration process takes 12–18 months and costs $500–$1,500 per class via a Chinese IP attorney. Without registration, you cannot enforce trademark rights against counterfeit products exported from China.

Why register before sharing: once your brand is visible to factory employees, the risk of pre-emptive registration by a third party (known as "trademark squatting," a significant industry in China) exists. Registering proactively prevents this.

Industrial design patent:

Register your product's industrial design (appearance) in China. This protects the visual appearance of your product — a critically important right in the wellness category, where product shape and colour are primary purchase drivers.

Process: File with China National Intellectual Property Administration (CNIPA) via a Chinese patent attorney. Filing fee: RMB 300–500 ($40–$70). Attorney fee: $300–$700. Grant timeline: 6–12 months. Protection period: 15 years. This is one of the highest-ROI IP investments available to wellness brands manufacturing in China.

Utility model patent:

For products with functional innovations (novel motor mounting system, unique charging mechanism, patentable waterproofing approach), a utility model patent provides 10-year protection. Filing cost is higher ($1,000–$2,000) but protects functional, not just visual, differentiation.

Non-Competition and Confidentiality: Preventing Factory Copies

Even with full IP ownership documentation, a factory with deep knowledge of your product, your market, and your business model can cause significant harm through competitive supply to your competitors. The non-competition clause is your contractual defence.

Non-competition clause:

"Manufacturer shall not, directly or indirectly, develop, manufacture, or supply to any third party a product that is substantially similar in appearance or function to the Products defined in this Agreement, for a period of [24] months from the date of first commercial shipment of such Products in [specified geographic markets including EU, UK, US, and Australia]. For the purposes of this clause, 'substantially similar' means sharing two or more of the following attributes: overall form factor, motor specification, charging system design, or surface material composition."

The definition of "substantially similar" is critical. A clause with no definition can be challenged on vagueness grounds. A narrow definition that doesn't capture obvious copies provides inadequate protection.

Confidentiality clause breadth:

Expand your confidentiality clause beyond design files to cover:

• Customer information and distribution channels
• Sales volumes and pricing data
• Marketing strategies and launch plans
• Retailer relationships and exclusivity agreements

This prevents the factory from sharing market intelligence (your pricing, your target retailers, your sales velocity) with competitors who then approach those same retailers.

Relationship management as the primary protection:

Contractual clauses are the safety net. The primary protection is a well-managed relationship in which the factory values the ongoing commercial relationship more than any short-term benefit from copying your product. Factories that are genuine partners — who see your growth as their growth — have strong economic motivation not to jeopardise the relationship through IP violation.

This is why the relationship management guidance in this content series complements rather than substitutes for legal protection. Both are necessary.