IP protection in OEM screen protector contracts:
NDAs, tooling ownership and exclusivity

When an OEM shares device drawings with a screen protector supplier, they're handing over information that could, in the wrong hands, allow a competing manufacturer to produce accessories — or worse, clones — of the device. This is a real risk, and procurement teams are right to think about it. It's also a risk that's often handled poorly, either with overengineered legal agreements that protect nothing in practice, or with handshake arrangements that protect nothing at all.

This article walks through what credible IP protection actually looks like in an OEM screen protector relationship.

The information being shared

Before getting to the legal and procedural side, it's worth being clear about what the supplier actually needs to see. The minimum needed to produce a custom screen protector is:

• Device dimensions — usually the screen area, but sometimes the full device outline for edge-to-edge or full-coverage designs
• Cutout positions — for cameras, speakers, sensors, fingerprint readers
• Corner radii and edge profiles
• Bezel dimensions if the protector sits within the bezel
• Any branding or silk-printed elements

The supplier does not need: internal mechanical drawings, circuit diagrams, firmware, materials specifications for the device itself, or anything related to the device's internal architecture. A supplier asking for any of that is asking for information they don't need to do their job — and that should be a red flag.

NDAs: what works, what doesn't

The non-disclosure agreement is the first legal layer. A few principles separate useful NDAs from theatre:

Mutual is better than one-way

One-way NDAs (where only the supplier is bound to confidentiality) sound friendly to the OEM but signal a power imbalance that often translates into a less attentive supplier relationship. Mutual NDAs treat both parties as having information worth protecting. They're easier to sign and create cleaner working dynamics.

Specificity matters

An NDA that says "all information exchanged is confidential" is harder to enforce than one that identifies the categories of information being protected — drawings, specifications, pricing, volume forecasts. Specificity in the NDA makes a breach easier to prove.

Duration should match the product lifecycle

An NDA covering "the duration of the engagement plus three years" is standard. An NDA with no defined duration is poorly drafted. An NDA with an unrealistically long duration (10+ years) signals overcaution and won't be taken seriously by counsel reviewing it.

Jurisdiction and governing law

Which country's courts hear a dispute. For UK-headquartered suppliers and OEMs, English law and English courts are the default. For US-EU exchanges, this becomes a negotiating point. The most important question is enforceability — an NDA enforceable only in a jurisdiction where the supplier has no assets is decorative.

Tooling ownership: the question most contracts get wrong

When you commission a custom screen protector, the supplier creates tooling — a cutting die or CNC programme specific to your device. This tooling is reusable. The question is: who owns it, and what happens to it if the supplier relationship ends?

Three common arrangements

Supplier-owned, supplier-controlled. The default arrangement. The supplier paid for the tooling (or amortised the cost into the per-unit price), holds it, and uses it for your reorders. If you switch suppliers, the new supplier creates new tooling from scratch. Most common, lowest friction, weakest IP position for the OEM.

OEM-paid, supplier-held. The OEM pays separately for the tooling — usually as a one-off fee at the start of the relationship — and the contract specifies that the tooling is the OEM's property even though physically held by the supplier. If the relationship ends, the tooling can in principle be transferred to a new supplier. Better IP position for the OEM but rarely fully exercised in practice.

OEM-owned, exclusivity-protected. The OEM owns the tooling, and the contract includes a clause preventing the supplier from using the tooling for any party other than the OEM, with a specified penalty for breach. This is the strongest position but adds legal cost and slows contract negotiation.

Which arrangement is appropriate depends on the strategic importance of the device. For a commodity tablet, supplier-owned-controlled is fine. For a flagship product or a defensible novel form factor, OEM-owned with exclusivity protection is worth the legal overhead.

Exclusivity clauses

Beyond tooling, OEMs sometimes want broader exclusivity — a clause preventing the supplier from producing screen protectors for the OEM's named competitors. This is harder to negotiate cleanly because:

• It restricts the supplier's business in a way that has commercial cost. Suppliers will price it in (higher per-unit cost) or refuse it outright.
• It's hard to define. Which competitors count? Future competitors? Companies that pivot into competition?
• It's hard to enforce. The supplier producing for a competitor under a different brand name is difficult to detect.

A pragmatic alternative: rather than blanket competitor exclusivity, contract specifically that the tooling created for your job will not be used for any other customer. This is much narrower (it doesn't prevent the supplier producing similar protectors for competitors with their own tooling) but it's enforceable and cleanly defined.

Practical IP-protective steps beyond the contract

• Share only what's needed. Send the supplier just the screen area and cutout drawings, not the full device drawing pack. If they ask for more, ask why.
• Use file-tracking on shared drawings. Watermarked PDFs with the recipient's name and date are a deterrent against onward sharing. They don't prevent it absolutely but they make it traceable.
• Stage the disclosure. The supplier doesn't need to see your branding artwork at quote stage. They don't need to see your packaging design until they're producing your packaging. Disclose in step with what's needed for each stage.
• Audit the supplier's data handling. Where are your drawings stored? Who has access? Are they on cloud storage with adequate access controls or sitting in someone's email? This is worth asking explicitly.
• Watch for unsolicited approaches from competitors of your supplier. If a competitor of your supplier suddenly contacts you offering "identical" protectors at a lower price, the leak may have come from inside.

What good suppliers do unprompted

A supplier with a mature IP protection posture won't wait for you to ask. They'll:

• Propose an NDA before drawings are exchanged, not after
• Be specific about which staff and which factory personnel see your drawings
• Hold your drawings on systems separate from their general production database
• Volunteer information about their tooling ownership policy without being asked
• Decline jobs that would obviously conflict with an existing customer relationship

These behaviours signal a supplier who has been through the IP-protection conversation enough times to have institutionalised it. Suppliers who only handle IP protection when prompted are usually handling it as a checkbox rather than as an operational discipline.