DAMITT: How Long Does it Take to Conduct Significant Antitrust Merger Investigations?

DAMITT, the Dechert Antitrust Merger Investigation Timing Tracker, is the leading source of analysis for significant U.S. and EU antitrust merger investigation and litigation trends.

The creator of DAMITT, Dechert's antitrust and competition practice group, is recognized as a global leader for sophisticated advocacy and antitrust solutions. Clients around the world turn to the team for their most critical matters, including merger control, litigation, cartel investigations, and counseling and compliance.

Recognized as the definitive authority on merger enforcement data, leading publications rely on DAMITT data when writing about the antitrust merger review process, including The Wall Street Journal, The Financial Times, DealLawyers.com, Bloomberg Law, The Street, The Street TV, Handelsblatt, Time, Fortune, Law360, FTC Watch, PaRR, Global Competition Review, mLex, American Lawyer, Le Monde du Droit – Lexcase, and Dechert's very own Crunched Credit, as have other law firms.

Beyond the newsroom, DAMITT is frequently cited by top consultants like McKinsey and FTI. In addition, DAMITT has been referenced by former U.S. DOJ and FTC leaders in their policy announcements.

The latest DAMITT report is here! See how significant merger investigations in Q2 2025 compare across the U.S. and EU, and read the report for key trends and insights.


Facts and Figures at a Glance

Significant U.S. Antitrust Merger Investigations (2011 – 1H 2025)


Significant EU Antitrust Merger Investigations (2011 – 1H 2025)

Graphics - DAMITT 2025 YE Report - 07-25 - Europe - R2

Prior Reports and Webinars

Webinar | DAMITT 2024 Year in Review: Behind the Numbers

Webinar | DAMITT 2024 Year in Review: Behind the Numbers