Michael J. "Mike" Madderra

Kraig L. Marini Baker is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising Law and Technology Law. Kraig L. Marini, 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 Kraig L. Marini is held by other top lawyers in the same geographic and legal practice area.

Maki Arakawa is a top attorney recognized by Best Lawyers in the practice area(s) of Information Technology Law and Technology Law. Maki, 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 Maki is held by other top lawyers in the same geographic and legal practice area.

Wendy Kearns is a top attorney recognized by Best Lawyers in the practice area(s) of Artificial Intelligence Law, Communications Law, Information Technology Law, Privacy and Data Security Law, Technology Law and Trademark Law. Wendy, who practices law in Seattle, Washington, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Wendy is held by other top lawyers in the same geographic and legal practice area.

Adam Berger is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs and Medical Malpractice Law - Plaintiffs. Adam, 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 Adam is held by other top lawyers in the same geographic and legal practice area.

Magnus R. Andersson is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law, Litigation - Real Estate and Real Estate Law. Magnus R., who practices law in Bellevue, Washington, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Magnus R. is held by other top lawyers in the same geographic and legal practice area.

Derek is a senior partner in Keller Rohrback’s nationally recognized Complex Litigation Group and a member of the firm’s Executive Committee. Derek's passion for holding large corporations accountable for wrongdoing has helped recover billions of dollars for consumers, retirees, governments and institutions. He has served in leadership roles in major complex cases across the country. Currently, he is co-lead counsel in In re Facebook, Inc. Consumer Privacy User Profile Litigation ...

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 ...

Rebecca Roe is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Individuals and Personal Injury Litigation - Plaintiffs. Rebecca, who practices law in Seattle, Washington, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rebecca is held by other top lawyers in the same geographic and legal practice area.

Professional Experience Jacquelyn Beatty focuses her practice on litigation with an emphasis in insurance coverage and appellate matters. She has over 35 years of experience primarily representing insurers in complex coverage and bad faith matters. Jacquelyn also represents clients in complex commercial litigation. Jacquelyn has been lead trial and appellate counsel in several Washington insurance cases of first impression that resulted in significant victories for her insurer clients. She ha...

John Denkenberger is the managing member of COJK, a member of the firm's executive committee, and chair of the litigation practice group. John has successfully litigated patent, trademark, trade secret, and unfair business competition issues in federal and state courts. He has also successfully litigated AIA post-grant challenges, including inter partes review, before the Patent Trial and Appeal Board. In addition to his litigation practice, John also advises clients on foreign and domestic p...