Mark Leen

Casey Fitzpatrick has extensive experience with patents covering a variety of technologies. He focuses his practice on the preparation and prosecution of patent applications, inter partes review (IPR) proceedings, and patent infringement and invalidity analysis in the context of litigation and opinions of counsel. Casey’s technical expertise covers a wide range of computing technologies, including artificial intelligence and machine learning, computer vision, vehicle computer systems (i...

Jay Kornfeld primarily represents companies in commercial creditor and debtor issues, emphasizing workouts, restructurings, and Chapter 11 reorganizations. Over the years, he has represented clients in diverse industries, including agricultural, food processing, grocery, commercial real estate, retail, high-tech and software, wood products, commercial fishing, and newspaper. He is a Fellow of the American College of Bankruptcy, is AV-rated, and a Trustee of the King County Bar Association (Ju...

Lauren A. Dorsett is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Lauren A., who practices law in Seattle, Washington, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lauren A. is held by other top lawyers in the same geographic and legal practice area.

Deborah L. Martin is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Deborah L., who practices law in Seattle, Washington, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Deborah L. is held by other top lawyers in the same geographic and legal practice area.

Diane M. Butler is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Diane M., who practices law in Seattle, Washington, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Diane M. is held by other top lawyers in the same geographic and legal practice area.

David Robbins chairs the firm's Healthcare Industry Group and is a partner with the firm's Litigation practice, where he handles complex commercial litigation. For almost three decades, David's practice has focused on representing health care clients in litigation involving regulatory compliance, including false claims, anti-kickback, physician self-referral, Medicare and Medicaid reimbursement, antitrust, scientific misconduct and health care licensing issues. His clients include major acade...

Derek Ko is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Information Technology Law and Technology Law. Derek, who practices law in Seattle, Washington, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Derek is held by other top lawyers in the same geographic and legal practice area.

Daniel Mensher translates thorough preparation into courtroom success.Dan practices in Keller Rohrback’s nationally-recognized Complex Litigation Group with a focus on environmental cases and representing government entities in important litigation. He collaborates with his colleagues and clients to identify problems and craft creative, long-lasting solutions. Dan has litigated important environmental and consumer cases across the country in federal and state court. He presently represe...

John Rosecrans is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. John, who practices law in Kirkland, Washington, has been recognized since 2025. 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.

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