Tw0 Sides to Every Story: Trying and Winning a Two-Sided Market

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Ian Simmons

Partner

O’Melveny & Myers LLP


Sergei Zaslavsky 

Partner

O’Melveny & Myers LLP 


Patrick J. Jones  

Counsel

O’Melveny & Myers LLP 


In this episode...

Ian Simmons, Sergei Zaslavsky, and Patrick Jones of O’Melveny & Myers LLP joins host Kevin Brzozowski to reveal winning trial strategies for two-sided market cases in light of Ohio v. American Express.  

Register to watch the entire webinar or skip to the highlights:

  • Overview of the American Express Supreme Court decision (4:17).
  • Explanation of network effects in two-sided markets (10:07).
  • Two-sided platforms and competitive dynamics (16:47).
  • Net harm and competitive effects in two-sided markets (22:02).
  • US Airways vs. Sabre case analysis  (24:46).
  • Connecting economic theory with case evidence (38:06).
  • Defense strategies in two-sided market cases (45:05). 
  • Open questions in two-sided market doctrine (52:00).

 Kevin Brzozowski of Level Legal welcomes Ian Simmons, Sergei Zaslavsky, and Patrick Jones of O’Melveny & Myers LLP on this episode of What's Brewing in Antitrust.  

On-Demand Recording

A What's Brewing in Antitrust installment.

Cross-Border Collaboration: Transatlantic Antitrust Enforcement on the Uptick

In this episode...

Ian Simmons, Sergei Zaslavsky, and Patrick Jones of O’Melveny & Myers LLP joins host Kevin Brzozowski to reveal winning trial strategies for two-sided market cases in light of Ohio v. American Express.

 Kevin Brzozowski of Level Legal welcomes Ian Simmons, Sergei Zaslavsky, and Patrick Jones of O’Melveny & Myers LLP on this episode of What's Brewing in Antitrust.  

Patrick J. Jones 

Counsel

O’Melveny & Myers LLP 


Sergei Zaslavsky 

Partner

O’Melveny & Myers LLP 


Ian Simmons

Partner

O’Melveny & Myers LLP


Meet the Experts

© Level Legal 2025. All Rights Reserved. 

On-Demand Recording

Catch this episode of What's Brewing in Antitrust. 

Skip to highlights

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  • Overview of the American Express Supreme Court decision (4:17).
  • Explanation of network effects in two-sided markets (10:07).
  • Two-sided platforms and competitive dynamics (16:47).
  • Net harm and competitive effects in two-sided markets (22:02).
  • US Airways vs. Sabre case analysis  (24:46).
  • Connecting economic theory with case evidence (38:06).
  • Defense strategies in two-sided market cases (45:05). 
  • Open questions in two-sided market doctrine (52:00).