John Pokorny leads teams in complex litigation and regulatory matters, with a focus on securities litigation and market manipulation claims. In securities matters, Dr. Pokorny conducts economic analysis of market efficiency, price impact, and Comcast issues at the class certification stage and evaluates loss causation and damages issues at the merits phase. Dr. Pokorny works with clients throughout the litigation process and supports experts through discovery and trial.
Securities litigation
Dr. Pokorny consults on Rule 10b-5 and Section 11/12 claims for companies in a range of industries. His experience includes consulting on:
- Potential damages and settlements in the context of mediation for class actions and opt-out litigations
- Matters involving equities, bonds, options, exchange-traded notes (ETNs), and sponsored and unsponsored American depositary receipts (ADRs)
- Matters for financial services, pharmaceutical, and technology companies, among others
- Canadian securities matters involving claims under the Québec Securities Act and Ontario Securities Act
- A securities matter in New York State Court, New York v. Exxon Mobil Corp., evaluating securities analyst commentary to assess Exxon’s statements about climate change risks
Market manipulation
Dr. Pokorny works on litigation and regulatory investigations involving a range of market manipulation claims. His experience includes:
- Analyzing allegations of spoofing and other manipulative trading practices at a major bank, in a matter involving large transaction and order book datasets
- Assessing trading restrictions imposed by a retail broker for certain “meme” stocks
- Evaluating a bank’s trading activity in Volatility Index (VIX) futures
- Determining the impact of certain types of high-frequency trading on equity prices
- Analyzing trading activity in foreign exchange (FX) and government bond markets