The CHF 5 file that can save a CHF 200,000 IP dispute

Two founders built software together. One left the company. Eighteen months later, he filed a claim: the core algorithm was his, he said, created before the partnership formally began.

The company had the Slack messages. It had the Git history. It had the project planning documents with timestamps from the shared workspace. What it did not have was a single document that carried legal presumption of authenticity under Swiss or EU law.

The algorithm was commercially valuable. The dispute ran for eleven months. The outcome depended entirely on who could substantiate their claim, not on who was right.

This is what an IP dispute in Switzerland actually looks like. And this is exactly the situation a qualified electronic seal is designed to prevent.

What the law says about burden of proof

In Swiss civil procedure and EU member-state courts, the party making a claim bears the burden of proving it. When ownership of intellectual property is contested, neither side gets the benefit of the doubt by default.

A qualified electronic signature or seal changes this position fundamentally. Under ZertES Art. 14, a qualified electronic signature carries the legal presumption that the signatory approved the content at the time stated. Under eIDAS Art. 25(2), a qualified electronic signature has the equivalent legal effect of a handwritten signature.

The practical consequence: once a document bears a qualified seal from an accredited trust service provider, the opposing party must disprove it. The court no longer asks you to prove the document is genuine. It is presumed genuine. The burden has shifted.

Without a qualified seal, the burden sits entirely with you. Screenshots, email chains, and version histories can be challenged. They carry no statutory presumption. You explain yourself; the other party critiques your explanation.

What IP disputes actually cost

Swiss commercial litigation is not a casual process. Attorney fees alone for a contested IP matter can reach five to six figures. A case that proceeds to the full Federal Civil Court typically takes between twelve and thirty-six months.

Beyond direct legal fees, the indirect cost compounds. Your team time goes to discovery, depositions, and document production instead of product development. Your reputation may be affected during the dispute period. And if the claim involves a revenue-generating asset, the outcome may directly affect your valuation and fundraising position.

Most IP disputes involve documents that were created years before the dispute began. A product specification from a contractor engagement. A design file from an early co-founder relationship. Source code written during a period of informal collaboration.

At the moment of creation, these documents seemed straightforward. At the moment of dispute, their provenance becomes the central question in a very expensive proceeding.

What a sealed document does differently

A qualified electronic seal applied at the time of creation records the document content, the exact timestamp, and the identity of the signing party in a cryptographically verifiable form. The seal is issued by an accredited Qualified Trust Service Provider (QTSP), an organisation that must meet strict regulatory requirements under ZertES and eIDAS.

Because the QTSP is an independent third party, courts accept the timestamp and identity data without requiring additional corroboration. The seal is not a company-internal assertion; it is a regulated attestation from an authorised institution.

When a sealed document is presented in proceedings, the other party must argue that the seal itself is invalid or that the QTSP acted improperly. This is an extraordinarily high threshold to meet. It is not the same as challenging a screenshot or an internal log file.

The seal does not guarantee a win in a dispute. What it does is remove the threshold question of credibility. Courts move faster when the authenticity of evidence is not itself in dispute.

Which documents carry the most risk

The documents most frequently at the centre of IP disputes tend to share certain characteristics: they were created informally, by multiple parties, or during a period when ownership was ambiguous.

High-risk categories include contracts that were signed informally or verbally agreed, creative briefs and design files handed to external contractors, early-stage product documentation from before a company formal incorporation, co-development agreements with technical partners, and any material shared with investors or advisors before a formal NDA was in place.

You can calculate the financial exposure of your current document portfolio at swisstrustlayer.com/tools/ip-exposure-calculator. The tool uses the type of document, its commercial significance, and the applicable legal framework to estimate the cost of an unresolved dispute.

When to seal

The value of a qualified seal is highest when it is applied before a dispute arises, not in response to one. A sealed document created in 2024 and presented in 2026 carries full legal presumption. A document sealed in 2026 because a dispute began in 2026 does not help with events that occurred earlier.

Contracts, briefs, technical specifications, and co-development agreements should be sealed at the moment they are finalised. The cost per document is low. The cost of recovering provenance after a dispute begins is not.

Proof of creation is not a legal formality for large companies. It is the practical mechanism that determines who bears the burden of proof when someone with a lawyer says your idea was theirs first.