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Clifford Chance

Clifford Chance
Michaela Spero

Michaela Spero


Michaela Spero

Michaela Spero advises clients on antitrust issues in government civil and criminal investigations, private party civil litigation, compliance with the U.S. merger control laws, regulatory review of mergers and acquisitions, and implementation of antitrust best practices.

Michaela has experience across numerous national and multinational industries, including technology, telecommunications, financial services, private equity, consumer goods, healthcare and pharmaceutical, and transportation. Prior to joining Clifford Chance, Michaela worked at a leading plaintiffs’ side antitrust firm where she litigated complex antitrust class actions and represented multinational clients in resolving global private damages claims.

  • GSMA on the U.S. Department of Justice eSIMs investigation and standard setting antitrust compliance 
  • A technology company on a nonparty subpoena in U.S. federal antitrust litigation
  • A mining company on a U.S. Federal Trade Commission investigation into the sale of a subsidiary
  • A healthcare company on antitrust claims relating to a group purchasing organization
  • A chemicals company on antitrust aspects of supply agreements
  • Sedgwick on the sale of its group health peer review and IME business
  • OMV on the acquisition of a majority stake in Borealis
  • Partners Group on the acquisition of Careismatic, Inc.
  • Partners Group on the acquisition of Wedgewood Pharmacy
  • Partners Group on the acquisition of Blue River Pet Care
  • ICG on the acquisition of Curium
  • Blackstone on the sale of Armacell
  • GE Capital on the sale of PK AirFinance
  • Sedgwick on its acquisition of York Risk Services Group
  • Mitsubishi on its acquisition of Chiyoda stock
  • EQT on its acquisition of Parques Reunidos
  • Inmarsat on its acquisition by a PE consortium

News and client work

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Contact details

Career and qualifications

  • University of Washington (BA) 2011
  • American University (JD) 2015
  • Universidad Carlos III de Madrid (LLM) 2015
  • Admitted as an Attorney-at-Law in California 2016
  • Admitted as an Attorney-at-Law in District of Columbia 2017

Professional bodies

  • Vice Chair of the Membership, Diversity and Inclusion Committee, ABA Antitrust Law Section
  • DC Volunteer Lawyers Project – Junior Board

Awards and citations

  • Concurrences 2018 Antitrust Writing Awards – Best Business Private Enforcement Article
  • National Law Journal, Energy and Environmental Trailblazer (2018)