Robert J. "Bob" Collins

Allan Bullwinkel’s practice focuses on patent litigation related to computer and electrical engineering technologies in federal district courts and inter partes review at the U.S. Patent Trial and Appeal Board. He also handles cases involving patent-related antitrust litigation and IP-related appeals before the Federal Circuit. With an engineering degree and many years of prior work experience as an engineer, Mr. Bullwinkel brings a robust understanding of technical issues and an abilit...

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.

Brad is a board certified appellate lawyer, specializing in Texas civil appeals. He has handled over 75 appeals, including interlocutory appeals and original proceedings, primarily in the intermediate state appellate courts and the Texas Supreme Court. He has also presented over a dozen oral arguments in Texas appellate courts, including in the Texas Supreme Court. Further, he has significant experience in state trial courts, from handling pre-trial motion practice to the jury charge. His pra...

Amy Karff Halevy is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Amy Karff, who practices law in Houston, Texas, has been recognized since 2003. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Amy Karff is held by other top lawyers in the same geographic and legal practice area.

Bradley W. Rapp is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships). Bradley W., 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 Bradley W. is held by other top lawyers in the same geographic and legal practice area.

John Linker is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. John, 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 John is held by other top lawyers in the same geographic and legal practice area.

Michael Marek P.C. is a top attorney recognized by Best Lawyers in the practice area(s) of Leveraged Buyouts and Private Equity Law. Michael, 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 Michael is held by other top lawyers in the same geographic and legal practice area.

Christopher C. Wan is an attorney in the Houston office of Cokinos | Young. His practice focuses primarily on resolving complex commercial and industrial construction disputes through litigation and arbitration. Chris’s experience covers a variety of disputes involving refineries, chemical plants, pipelines, water treatment plants, high-rise condominiums, and university buildings, among other commercial and industrial projects. Chris graduated from the South Texas College of Law, where ...

Douglas C. Atnipp is the Texas Co-Regional Managing Shareholder, Co-Managing Shareholder of the Houston office and Co-Chair of the firm's national Energy and Natural Resources Practice. Doug has more than 25 years of experience representing clients engaged in all facets of the energy business. He is involved in a wide range of energy-related transactions including energy finance, joint ventures and strategic alliances, and acquisitions and dispositions of energy-related assets. In addition to...

David J. Beck is consistently recognized as one of our country’s best trial lawyers. This recognition has grown from the consistent results he has achieved for his clients in his more than forty years of practice. From the smallest disputes to the billion dollar cases, David understands the importance of each case to his client, and he approaches each with the same intensity and integrity that has served him - and his clients - so well for so long. For David Beck, every case is a story ...