Lyle Roberts is a partner in the firm’s Litigation practice. Lyle represents companies, officers, and directors in securities cases and Securities and Exchange Commission (SEC) enforcement matters throughout the United States. He also conducts corporate internal investigations and counsels clients with respect to securities regulatory issues.

Lyle represented Mark Cuban in obtaining a complete victory against the SEC in Cuban’s closely watched insider trading case.    He also represents, or has represented, a number of prominent companies in the defense of securities class actions, including Paramount Global, PayPal, Opendoor, Lumen Technologies/CenturyLink, Northrop Grumman, Fidelity National Financial, and Lumber Liquidators.

Lyle is recognized as a Band 1 securities litigator by Chambers USA and a “Litigation Star” by Benchmark Litigation. Chambers describes Lyle as “thoughtful and a great professional, he's a pleasure to work with” and a total pro - he knows the area.” He is widely-published on securities law issues, including in the Wall Street Journal, Forbes, National Law Journal, and Law360.

Lyle is the author of the well-known blog, The 10b-5 Daily, which tracks key developments in securities litigation, and is the co-chairman of the annual Practicing Law Institute securities litigation program. He also co-edits “Securities Litigation: A Practitioner’s Guide,” the leading treatise in this area of the law. Finally, Lyle frequently submits amicus briefs in prominent securities litigation cases on behalf of the Washington Legal Foundation (WLF) and other well-known organizations, including recent briefs in the U.S. Supreme Court in the Macquarie Infrastructure, Goldman Sachs, Emulex, Halliburton, and ANZ Securities cases. His brief on behalf of WLF in the ANZ Securities case was cited in the Court’s opinion.