Mark Firmin

Mark Nelson is a partner in Barnes & Thornburg's Intellectual Property and Technology practice based in Dallas and Houston. He has more than 20 years of experience litigating large, multifaceted patent infringement cases in federal district courts and before the International Trade Commission. Mark also has experience in post-grant proceedings, including both inter partes and covered business method reviews (“IPRs” and “CBMs”). Mark's experience in patent litigatio...

Alex Farr is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Alex, who practices law in Dallas, Texas, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alex is held by other top lawyers in the same geographic and legal practice area.

Bill Neal handles the most complex family law cases but his approach is very simple: protect the client at every turn. Sometimes that means delicate settlement negotiations; other times it’s fighting a court battle. In every situation, Bill is aggressive and thorough and he represents every client with the same unwavering dedication. Bill specializes in divorce cases involving large estates, family-owned businesses and complicated custody arrangements. He takes special interest in prote...

Thomas Whelan’s practice encompasses a broad range of leasing, financing, and other real estate transactions, as well as commercial litigation emphasizing landlord-tenant, lender liability, brokerage, and other real-estate-related matters. He has authored numerous articles and is frequently invited to speak on matters including leasing, receiverships, real estate brokerage and other real estate related topics. Before receiving his law degree from Southern Methodist University, Mr. Whela...

Before attending law school, Scott Rewak studied accounting. Although he learned many valuable lessons during that time, he would eventually veer away from that field, thinking there were other places he could put his skills to better use. Family Law has given him the opportunity to work with and help others in ways he believes few other areas could match. Mr. Rewak understands those who need the services of a Family Law attorney may be going through a particularly low point in their lives. O...

For over two decades, Kirsten M. Castañeda has briefed and argued state and federal appeals and original proceedings that raise issues critical to businesses and industries across Texas and the nation. In pursuing appellate relief, she never loses sight of the fact that every appeal involves more than just the law. Learning a client’s business and ultimate goals allows Kirsten to craft legal arguments and strategy that serve not only the case at hand, but also the client’s ...

Harrison Yoss devotes his practice to the representation of insurers in coverage and extra contractual litigation in state and federal courts throughout the State of Texas and the Southwest. Harrison has represented insurers on hundreds of coverage and bad faith claims handling disputes with insureds under general liability and excess/umbrella policies, professional liability policies, homeowners and commercial property/inland marine policies, directors and officers liability policies, worker...

Alex Brauer is a sought-after trial attorney who helps clients resolve their business disputes. He has taken numerous matters through trial before both judges and juries and has an exceptional track record. Given his expertise, clients utilize Alex to handle disputes in state and federal courts in Texas and throughout the country. While Alex has assisted several clients with disputes involving the sales and purchases of businesses, clients call on Alex to resolve various disputes ranging from...

Throughout his career, Thomas R. Stauch has helped numerous clients throughout Dallas and northern Texas with complex commercial litigation cases, including construction, real estate and business tort litigation, as well as other matters. A partner at Nowak & Stauch, PLLC, in Dallas, Texas, he devotes the majority of his practice to litigation, but is often asked to review and draft contracts for his clients as well. In 2018, Tom was added to the Roster of Arbitrators for the American Arb...

Bill Banowsky focuses his practice on complex business litigation and arbitration, securities litigation, and corporate governance investigations. He also represents national and international energy industry clients in various disputes involving contract rights and business torts. In recent years, he has become involved in numerous disputes representing healthcare providers including hospitals, ambulatory surgery centers, medical device suppliers, physician groups and ancillary providers. Mr...