Amanda K. Thorsvig

Complex marital dissolutions and legal separations, parenting plans, relocation actions, high-conflict child custody and child support matters, third-party and non-parental custody actions, cohabitation/prenuptial and community property status agreements, and post-dissolution issues, including child support and parenting plan modifications.

Jennifer Payseno is a partner at McKinley Irvin with more than 30 years of experience practicing family law. She represents clients in a wide range of matters, including divorce, child custody, child support, relocation, and complex, high-asset cases involving closely held businesses and substantial financial assets. Known for her thoughtful and strategic approach, Jennifer combines meticulous preparation with strong courtroom advocacy and practical problem-solving. Her practice is grounded i...

Lynne Graybeal is a partner in the firm's Intellectual Property Group and Trademark & Copyright practices. Her practice focuses on trademark and copyright law, Internet and social media issues, licensing and intellectual property-related transactions, and arts and entertainment law. Lynne is currently the co-chair of the firm's Arts, Entertainment & Sports industry group and was a co-chair of the Trademark & Copyright practice, from 2000 - 2012. Lynne has been assisting clients wi...

Managing Partner Lynn Sarko uses thoughtful innovation to solve complex issues. Having led Keller Rohrback L.L.P.’s Complex Litigation Group since its inception over 30 years ago, Lynn’s work has led to new developments in case law and significant, impactful settlements for his clients. A dynamic leader with a tenacious dedication to justice, Lynn has been selected by courts across the nation to serve in key leadership roles in a wide variety of cutting-edge cases. Namely, he was ...

Tereza Simonyan is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Tereza, who practices law in Seattle, Washington, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tereza is held by other top lawyers in the same geographic and legal practice area.

Professional Experience Kristy practices in the firm’s litigation department, handling cases involving personal injury, employment, business disputes, health insurance and property disputes. Kristy also represents physicians and other health care providers in licensing and disciplinary disputes. Prior to joining Helsell Fetterman, Kristy worked at a boutique law firm for fourteen years. During her time at the firm, she successfully represented clients in a number of matters. Her experie...

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

Frank focuses on patent procurement and patent portfolio strategizing in electrical, software, electro-mechanical engineering and medical device related technologies. In addition, Frank provides services in licensing, diligence exercises, and validity and infringement studies and opinions, as well as related litigation counseling. Frank counsels a range of businesses from established public companies through early and late stage startup businesses.In addition to his years as a patent attorney...

Lawrence C. Locker is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Lawrence C., 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 Lawrence C. is held by other top lawyers in the same geographic and legal practice area.

BACKGROUND Karl Hermanns' practice focuses on pharmaceutical and biotechnology patent matters, emphasizing strategic management of patent portfolios, early-stage company counseling, investment due diligence, and competitive patent analysis. He graduated with both a B.S. and an M.S. in Chemistry from the University of Washington and received his J.D. from the University of Colorado School of Law. EXPERIENCE Karl was an Adjunct Professor at the University of Washington School of Law and the Uni...