Matteo Li Bergolis



  • New York


Matteo Li Bergolis analyzes economic, marketing, and statistical issues arising in product liability, false advertising, data privacy and data breach, antitrust, and intellectual property matters. He has substantial expertise in applied survey analyses, including conjoint analysis.

A leader in the firm’s consumer fraud and product liability practice, Dr. Li Bergolis has worked on numerous high-profile and precedent-setting matters involving allegations of product defects, product misrepresentation, unauthorized access to and misuse of private information, patent infringement, and price fixing. His broad industry expertise includes airlines, consumer products, digital markets, motor vehicles, pharmaceuticals, software, and technology.

Consumer class actions

Dr. Li Bergolis leads teams to support experts across all phases of high-profile consumer class action matters. He has addressed a variety of issues, including rebutting conjoint analysis; designing complex surveys to assess materiality, reliance, exposure, and heterogeneity; and analyzing market data to assess heterogeneity, liability, and damages. Dr. Li Bergolis’s representative engagements include:

Intellectual property

Dr. Li Bergolis has worked on prominent patent litigation matters. He has conducted market data analyses and designed complex surveys for patent valuation, assessing the relative importance of patents in driving demand, and for apportionment issues.

Antitrust and competition

In matters involving antitrust, Dr. Li Bergolis has analyzed class certification in the context of alleged price fixing and delayed generic entry. He also has experience with issues related to alleged monopolization in the online and mobile advertising markets.

Press Release

Cornerstone Research Promotes Ten Senior Staff to Principal


Garcia et al. v. Volkswagen Group of America Inc. et al.


Guzman et al. v. Polaris Inc. et al.


Damages in Consumer Class Actions


Nemet et al. v. Volkswagen Group of America Inc. et al.


Invasion of Privacy Consumer Class Action


In re General Motors LLC Ignition Switch Litigation


Johannessohn et al. v. Polaris Industries Inc.

  • “Analytical Tools for Assessing Harm in Product Liability Class Actions,” Corporate Counsel Business Journal webinar, 10 November 2020
  • “Product Liability Litigation: Key Trends to Watch,” webinar, 16 October 2019
  • “Legal Applications of Marketing Theory,” Harvard Law School, 3 May 2019