Compliance Radar

Who was sanctioned, and for what?

Fines, court rulings and incidents from Europe, North America, Latin America, Asia-Pacific and Middle East: 1,908 cases from 40 jurisdictions, each with an official source and checked against that source before publication. Filter by country, area of law and sector. Click a chart to drill down one level.

EU Manufacturing and mechanical engineering Sennheiser electronic SE & Co KG, Sonova AG Clear all filters

1case from 1 jurisdiction

€634,000Total of monetary amounts

€634,000Largest single case: Sennheiser electronic SE & Co KG, Sonova AG

€634,000Median per case with an amount

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Austria €634,000 100 % · 1 case

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Competition law €634,000 100 % · 1 case

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When?

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Trend
Period	Cases	Total
Q4 2023	0	–
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Q2 2024	0	–
Q3 2024	0	–
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Q1 2025	1	€634,000
Q2 2025	0	–
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Q4 2025	0	–
Q1 2026	0	–
Q2 2026	0	–
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1 case

Newest first Highest amounts

19 Mar 2025 Sennheiser electronic SE & Co KG, Sonova AGSennheiser and Sonova: €634,000 for resale price maintenance on consumer audio products AustriaCartels and collusion €634,000

The Kartellgericht (Cartel Court) imposed fines totalling 634,000 EUR for vertical resale price maintenance on Sennheiser-brand consumer electronics audio products (headphones): 534,000 EUR on Sennheiser electronic SE & Co KG for May 2015 to February 2022 and 100,000 EUR on Sonova AG for March to September 2022. Retailers were given end-customer prices whose observance was monitored; both companies cooperated and did not contest the facts.

What organisations can take from it

Non-binding recommended prices become prohibited resale price maintenance as soon as manufacturers monitor retail prices and object to deviations.

Relevance to training and awareness

Resale price maintenance in online retail

Authority / court: Oberlandesgericht Wien als Kartellgericht (Antrag der Bundeswettbewerbsbehörde)
Area of law: Competition law · Cartels and collusion
Legal basis: Art. 101 Abs. 1 AEUV und § 1 Abs. 1 KartG; § 29 Z 1 lit. a und d KartG
Action: Fine
Status of proceedings: final
Sector: Manufacturing and mechanical engineering
Culpability: intentional
Repeat case: no
Mitigating circumstances: Full cooperation in clarifying the facts; all essential facts left undisputed (acknowledgement).
Published: 16 Dec 2025

Sources

Ediktsdatei, Veröffentlichung gemäß § 37 KartG: OLG Wien als Kartellgericht, 27 Kt 4/24a Court decision

Checked against the official source on 2 Oct 2026 · Direct link

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How the radar is compiled

Official sources only

Every case is based on a decision, press release or database of an authority or a court. Press and law-firm reports count at most as additional references.

Four-eyes check

Whoever enters a case may not approve it. A second, independent check compares company, date, amount and area of law with the source. Only then is the case published.

Comparable amounts

Amounts are converted at the ECB reference rate on the day of the decision. Each case also shows the original amount.

Corrections on record

A correction is a new version that is checked again. Every change is logged. You can report errors directly on each case.

Case texts are translated from the German original. Where a translation is not yet available, the German text is shown and marked “(German original)”. Names of authorities, laws and companies are given as in the source (company names until they are anonymised).

Company names are anonymised two years after the decision in a case, in line with the practice of many supervisory authorities. The official sources remain linked.

The radar reports on published decisions and is not legal advice. Decisions that are not yet final are marked as such where the status is known.

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