John Lawrence tries high-stakes commercial disputes in courts across the country. He defends companies and their officers and directors in a wide range of cases, including contract claims, fraud claims, trade secret claims, securities and shareholder actions, M&A challenges, and other complex business disputes. He also assists clients with internal and government investigations, and advises clients on board governance and fiduciary duty matters. Chambers USA (2023) describes John as "a very, very sharp lawyer," and has ranked him among the top securities litigators in Texas, stating: “John has a wealth of knowledge. He has a very sharp mind for strategy and he’s responsive, efficient, and has a very pleasant, professional demeanor." The Legal 500 U.S. has also recognized John in the field of Securities Litigation, describing him as "intelligent" and "methodical," and Business Today named John to its 2023 list of the “Top 10 Most Influential Securities Litigation Lawyers in Texas.”