Susanna Rychlak Allen

Co-founder of Houston-based Heim, Payne & Chorush, Les has helped build a nationally respected team of lawyers and has led litigation resulting in numerous 8- and 9- figure verdicts and settlements. As patent law has evolved with inter partes review validity challenges at the U.S. Patent Trial and Appeal Board, Les has become particularly effective representing both patent owners and accused infringers in this rapidly changing landscape. Heim, Payne & Chorush staffs its litigation for...

G. Byron Sims is a top attorney recognized by Best Lawyers in the practice area(s) of Admiralty and Maritime Law and Commercial Litigation. G. Byron, who practices law in Houston, Texas, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which G. Byron is held by other top lawyers in the same geographic and legal practice area.

Cesar Tavares is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Cesar, who practices law in Houston, Texas, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Cesar is held by other top lawyers in the same geographic and legal practice area.

Daniel Dutko is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Daniel, who practices law in Houston, Texas, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel is held by other top lawyers in the same geographic and legal practice area.

Kenneth Held is an experienced trial attorney who focuses his practice on business litigation in state and federal courts, arbitration and regulatory enforcement matters, with a particular emphasis on securities litigation, energy litigation and class action defense. His clients range from individuals to publicly traded and privately held companies, as well as private equity firms and hedge funds. Mr. Held has significant experience in securities litigation and defending corporate and individ...

Seth Isgur is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Seth, who practices law in Houston, Texas, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Seth is held by other top lawyers in the same geographic and legal practice area.

Roger D. Oppenheim is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Defendants. Roger D., who practices law in Houston, Texas, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Roger D. is held by other top lawyers in the same geographic and legal practice area.

David A. Brooks is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. David A., who practices law in Houston, Texas, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David A. is held by other top lawyers in the same geographic and legal practice area.

Kevin Dubose has a BA in English from Rice University, and a JD from the University of Texas Law School. He began his career in a small litigation firm, primarily doing insurance defense work, and tried about 25 jury trial in his first 6 years of practice. He began specializing in appellate advocacy in 1985, first in a solo practice, then as the appellate specialist for a prominent plaintiff's personal injury practice. Since 1994 he has practiced in an appellate boutique environment. Kevin ha...

The biggest victory is quietly stopping a case, and David has helped clients avoid charges in many DOJ,SEC, and other government investigations. But David is equally known for courtroom and appellate victories – including antitrust, environmental, health care, securities, immigration, commodities, banking, bribery, government contracts, and others. He also has been recruited to try civil cases, sometimes shortly before trial. Cases include: Acquittal of the Boeing pilot charged in the 7...