Lexology Index Competition 2025: Joanna Tsai Recognized as Global Elite Thought Leader
Cornerstone Research’s merger investigations practice cohead recognized among the top 5% of competition economists worldwide.
5 Questions with Celeste Saravia: The Shifting Landscape of Antitrust
We interview Celeste Saravia, cohead of Cornerstone Research’s antitrust and competition practice, to gain her insights on antitrust in the digital era.
5 Questions with Joanna Tsai: Delivering Impactful Analysis in Mergers
Joanna Tsai, cohead of Cornerstone Research’s merger investigations practice, offers insights on changes shaping competition economics today.
Securities Class Action Trend Filings
From AI to SPACs, our securities class action filings report shows several trends that have appeared in core filing activity in recent years.
Securities Class Action Filings Remain Steady While Size of Filings Increased Substantially in First Half of 2025
Artificial intelligence-related filings on pace to far exceed 2024 total.
Securities Class Action Filings—2025 Midyear Assessment
The number of securities class action filings in the first half of 2025 remained steady.
Langer et al. v. CME Group et al.
The jury found in favor of CME Group.
Securities Class Action Filings
Cornerstone Research, in cooperation with the Stanford Law School Securities Class Action Clearinghouse, publishes a series of reports on securities class actions.
Personalized Pricing: Antitrust and Policy Considerations in the Age of Personalization
This article explores the implications of personalized pricing within U.S. antitrust law.
Post-Merger Appraisal Delaware Chancery Court Trial Win
The Delaware Court of Chancery found in favor of the target company in Hyde Park Venture Partners Fund III L.P. et al. v. FairXchange LLC.
Stock Exchanges as Platforms for Data and Trading
The authors study stock exchange competition by analyzing linkages between proprietary data sales and trading activity.
Lexology Index: Energy Experts 2025
Greg Leonard of Cornerstone Research recognised as a leading consultant in the energy sector.
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