ARTICLE · 07 OCTOBER 2026

Circularity Claims Also Require Robust Evidence – Mini-series Part V

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Companies making circularity claims about their products or services must provide robust evidence to support these assertions. This article examines the evidentiary requirements and legal standards that apply when businesses promote circular economy practices, exploring what constitutes sufficient substantiation in an increasingly regulated landscape.

SwitzerlandCorporate/Commercial Law

Martin Eckert

Adrian Peyer

Claims about the circular economy require more than just good intentions. What matters most is reliable data, clear processes and robust evidence.

EmpCo, the Swiss Unfair Competition Act (UWG), the New Federal Act on Unfair Competition (NUFG) and the Climate Protection Ordinance

Claims such as «circular», «recyclable», «climate-neutral» or «sustainable» are becoming more legally risky. Detailed bans will come into force in the EU from 27 September 2026. In Switzerland, Article 3(1)(x) of the UWG has already been in force since 1 January 2025.

This article forms the communications and governance module of the mini-series. The overall regulatory context is explained in «The circular economy becomes binding product law».

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The content of this article is intended to provide a general guide to the subject matter. Specialist advice should be sought about your specific circumstances.

Circularity Claims Also Require Robust Evidence – Mini-series Part V

EmpCo, the Swiss Unfair Competition Act (UWG), the New Federal Act on Unfair Competition (NUFG) and the Climate Protection Ordinance

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