Antitrust Law and Merger Control

Your projects are becoming increasingly complex: We master these challenges.
Digital markets pose a challenge for classic antitrust law. Companies are having to comply with additional regulations.
We advise companies on European and German antitrust law and on German and European merger control law. Our main focuses include antitrust compliance, distribution systems and the supervision of cartel and fine proceedings. Furthermore, we have a high level of expertise in the area of antitrust law litigation. For example, we regularly represent in antitrust law damage claims on both the claimant’s and defendant’s side.
We have particular expertise in the areas automotive components suppliers, chemicals, press, sports and packaging.
Our team develops creative solutions. In cooperation with our colleagues from the corporate, litigation and labor law departments, we are quick to identify the optimal solution and swiftly implement it.
Our range of advice in the fields of antitrust law and merger control includes:
- Drafting of contracts, in particular in the area of antitrust-related distribution law, as well as in cooperations and joint ventures
- Compliance training and audits
- Cartel and fine proceedings before the German Federal Cartel Office and the European Commission
- Assistance in the event of antitrust-related searches ("dawn raids")
- Merger control proceedings at the German Federal Cartel Office and the European Commission
- Coordination of international merger control proceedings in collaboration with leading law firms in other jurisdictions
- Civil disputes before the ordinary courts and arbitration tribunals as well as disputes before the European courts
Awards
Legal 500 Germany, 2022
Very extensive professional expertise.
WirtschaftsWoche
Top law firm for antitrust law
Chambers Europe
Consistently strong advice and a high level of partner involvement
Kanzleimonitor
For the third time running Top 10 for Antitrust Law
Legal 500 Germany, 2022
Very extensive professional expertise.
Kanzleimonitor
For the third time running Top 10 for Antitrust Law
Related news
Antitrust Law and Merger Control21.10.2025 Newsletter
Signalling 2.0 – public communication as an antitrust risk
In early 2024, the European Commission conducted unannounced searches of several tyre manufacturers on suspicion of cartel agreements, basing its initial suspicion largely on publicly available information – in particular transcripts of analyst calls, press releases and presentations. The European Commission systematically evaluated this information, in part with the aid of AI, in order to identify indications of anti-competitive coordination.
Energy and Infrastructure, SustainabilityMergers & Acquisitions / Corporate Law / Real Estate Law / Employment Law / Antitrust Law and Merger Control / Intellectual Property Law / Tax Law / Public Law / Regulatory16.10.2025 News
Green Deal: Oppenhoff advises on the sale of Re.Lion.Bat. Circular GmbH to environmental services provider PreZero
Oppenhoff advised the shareholders of Re.Lion.Bat. Circular GmbH on its sale to PreZero. The legal and economic transfer to PreZero took place in October.
Private Equity / Corporate Law / Tax Law / Banking and Capital Markets Law, Financing / Commercial / Real Estate Law / Employment Law / Antitrust Law and Merger Control / Compliance & Internal Investigations / IT Law and Data Protection / Intellectual Property Law23.09.2025 News
Oppenhoff advises Rensa Filtration on the acquisition of IREMA and its US subsidiary Aeolus Filter
Oppenhoff advised Rensa Filtration, Inc. on the acquisition of IREMA-Filter GmbH and its US subsidiary Aeolus Filter Corporation from Pinova Capital. With this latest investment, Rensa is reaffirming its commitment to quality and innovation and providing targeted support for technological development, expansion of production capacities, and sustainable growth of the company.



