Kemper Diehl

BACKGROUND Brooke focuses on strategically counseling his clients on intellectual property matters and portfolio development, including patent, trademark, and copyright law. He routinely works on patent procurement, due diligence investigations, enforcement, and licensing, as well as other transactional intellectual property matters. Brooke received his B.S. in Mechanical Engineering from University of Southern California in 1992. He received his J.D. from University of Texas at Austin in 199...

Nathan Julius is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Nathan, 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 Nathan is held by other top lawyers in the same geographic and legal practice area.

Beth Bloom is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Individuals and Litigation - Labor and Employment. Beth, who practices law in Seattle, Washington, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Beth is held by other top lawyers in the same geographic and legal practice area.

Professional Experience The first fifteen years of Mark Rising’s practice focused on litigating a wide variety of business disputes, including breach of contract, unfair business practices, violation of intellectual property rights, theft of trade secrets, release of hazardous waste, commercial product liability, insurance and business dissolution disputes. See, Business Litigation Background , below. Using the knowledge and experience he gained litigating business disputes, the last fi...

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.

Erin Riley knows that strong relationships are the key to complex cases.As a partner in Keller Rohrback’s Complex Litigation Group, Erin has allowed these collaborative and long-lasting relationships to inform her work for over 20 years. Since 2001, Erin’s practice has focused on representing employees and retirees in Employee Retirement Income Security Act (“ERISA”) actions involving defined contribution, defined benefit, and health benefit plans. Erin has worked on n...

Brian Hulse focuses his practice on real estate finance, commercial lending, finance and business transactions, loan workouts, realization proceedings, and bankruptcy.

As a partner in Keller Rohrback’s nationally recognized Complex Litigation Group, Cari Laufenberg maintains a national practice representing consumers, employees, and institutions in complex consumer and employee class actions involving corporate fraud, privacy and data breach issues, breach of fiduciary duty, and the Employee Retirement Income Security Act (ERISA). Since joining Keller Rohrback, she has played a key role in obtaining multi-million-dollar recoveries for consumers, emplo...

Darby Allen is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Darby, 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 Darby is held by other top lawyers in the same geographic and legal practice area.

Rebecca S. Engrav is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising Law and Litigation - Intellectual Property. Rebecca S., who practices law in Seattle, Washington, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rebecca S. is held by other top lawyers in the same geographic and legal practice area.