LAWYER PROFILE

Daniel Zimmer

Germany 2026

Hengeler Mueller

Ranked in 2 practice areas

Energy: Regulatory

Germany

11 years ranked

Competition/European Law: Litigation

Germany

1 year ranked

About

Provided by Hengeler Mueller

Practice Areas

Daniel advises national and international companies on all areas of competition and energy law. In energy matters, he supports investors and energy supply companies in M&A transactions, advises on regulatory issues and regularly represents clients before the regulatory authorities and courts. In competition matters, Daniel mainly focusses on the representation of companies in cartel cases, follow-on damage claims including their extrajudicial resolution as well as antitrust compliance issues.

Career

Daniel joined Hengeler Mueller in 2008, and has been partner since 2020. He has a lectureship for energy law at Technical University Berlin.

Professional Memberships

German American Lawyers' Association (DAJV); German Association of Antitrust Law (Studienvereinigung Kartellrecht).

Publications

Numerous publications on energy and competition law matters in German and English.

Chambers Review

Provided by Chambers

Chambers Germany

Energy: Regulatory - Germany

Band 3

Individual Editorial

Daniel Zimmer is regularly mandated by transmission operators for his strength in highly complex proceedings regarding grid connection delays and decommissioning prohibitions. He also assists with M&A transactions and investor participation.

Indviduelles Editorial

Daniel Zimmer wird regelmäßig von Übertragungsnetzbetreibern für seine Stärke in hochkomplexen Verfahren zu Netzanschlussverzögerungen und Stilllegungsverboten mandatiert. Darüber hinaus begleitet er M&A-Transaktionen und Investorenbeteiligungen.

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Competition/European Law: Litigation - Germany

Spotlight

Individual Editorial

Daniel Zimmer enters the rankings this year on the back of notable activity in defending clients in high-profile follow-on damages actions.

Indviduelles Editorial

Daniel Zimmer schafft es dieses Jahr aufgrund seiner bemerkenswerten Tätigkeit bei der Verteidigung von Mandanten in aufsehenerregenden Schadenersatzverfahren in die Rankings.

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Strengths

Provided by Chambers

He is brilliant on the defendant side.
Competition/European Law: Litigation Chambers Germany
He is a very good communicator and has a good grasp of facts and judgements.
Competition/European Law: Litigation Chambers Germany
Er ist ein sehr guter Kommunikator und hat ein gutes Verständnis für Fakten und Urteilsvermögen.
Competition/European Law: Litigation Chambers Germany
Er ist ein brillanter Verteidiger.
Competition/European Law: Litigation Chambers Germany