Macarena Alliende

Macarena Alliende

Macarena Alliende concentrates her practice in the Antitrust & Competition law. In that context, she advises clients from various industries, including technology and media, consumer products, retail and pharmacies. Macarena has an extensive practice, including the design and implementation of competition compliance programs, internal and external investigations, and litigation and merger control procedures, both before the National Economic Prosecutor’s Office (FNE) and before the Tribunal for the Defense of Competition (TDLC).

Macarena regularly advises clients on competition matters in day-to-day business, mainly related to potential abuses of dominant position in commercial practices and policies, such as: collaboration between competitors, exclusivity agreements, use of competitor information, among other matters related to the area.

Employment History

  • Associate, 2019 to date



  • Inversiones Santa María: Advised the client in the sale of its participation in the information security company Neosecure, with presence in Chile, Peru, Argentina, Spain, Colombia and Brazil, to the Brazilian fund Patria. We also advised the client on the termination of the shareholders’ agreement and future obligations with The Rohatyn Group, which also sold its participation in Neosecure.
  • Uber: Defense of Uber Chile SpA and Uber International Holding B.V. before the TDLC in a lawsuit filed by a union of taxi drivers against the clients and other ridesharing app firms.
  • American Tower Corporation: Advise client on the purchased of 30,722 telecommunication towers from Telefónica Group in Europe (Germany and Spain) and Latin America (Brazil, Chile, Argentina and Peru).
  • Uber – Cornershop: Advise both clients and participated as joint counsel on the acquisition of a majority stake in Cornershop by Uber Technologies, Inc., for a value of USD $456 million – Awarded “Deal of the Year 2021” in the category “private M&A” by Latin Lawyer.


  • Chile (2020)


  • Spanish and English


  • Law, School of Law, Universidad de Chile, 2017
  • Fellow of the international program “Hoover IP2 Summer Teaching Institute on the Economics and Politics of Regulation”, Stanford University, 2017

Academic Activities

  • Research Assistant to the Center for Regulation and Competition (RegCom), School of Law, Universidad de Chile, 2017
  • Economic Law teaching assistant, School of Law, Universidad de Chile, 2016-2017
  • Administrative Law teaching assistant, School of Law, Universidad de Chile, 2015-2017
  • Introduction to Law I and II teaching assistant, School of Law, Universidad de Chile, 2014-2017
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Related Services
  • Antitrust & Competition
  • Compliance & Investigations
  • Dispute Resolution
  • Public Law
  • Regulated Markets
  • TMT (Telecoms, Media, Technology)