Kellan Byrne

David A. Perez is a top attorney recognized by Best Lawyers in the practice areas of Commercial Litigation and Litigation - Intellectual Property. David has a nationwide practice, and is based in Seattle, Washington. He has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David is held by other top lawyers in his practice areas.

Susan Betcher is a lawyer recognized by Best Lawyers in the practice areas of CleanTech Law and Patent Law. Susan practices law in Seattle, Washington Best Lawyers has recognized Susan Betcher since 2015. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Susan Betcher is held by other lawyers.

Mark Myers is a Seattle-based attorney who focuses on environmental litigation, including remedial actions, sediment cleanups, environmental contribution claims, and toxic tort matters. He represents clients in federal and state courts throughout Washington. Mark’s practice includes disputes involving contaminated sites, allocation of environmental liability, and implementation of cleanup actions. He also has experience handling matters involving the Clean Water Act, geologic movement a...

Michael Rosenberger is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. Michael practices law in Seattle, Washington Best Lawyers has recognized Michael Rosenberger since 2017. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Michael Rosenberger is held by other lawyers.

Professional Experience Kameron Kirkevold’s practice focuses on complex guardianship, probate and trust matters arising under Washington State’s Trust and Estate Dispute Resolution Act (TEDRA). He joined Helsell Fetterman in 2010 after two years as an associate in his father’s firm of Kirkevold Law Offices, Inc., and has been a partner at the firm since 2016. Kameron works with professional fiduciaries, individuals, and families dealing with simple and complex matters arisin...

Jack Lovejoy is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. Jack practices law in Seattle, Washington Best Lawyers has recognized Jack Lovejoy since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jack Lovejoy is held by other lawyers.

Zana Z. Bugaighis is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation, Franchise Law and Litigation - Intellectual Property. Zana Z. practices law in Seattle, Washington Best Lawyers has recognized Zana Z. Bugaighis since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Zana Z. Bugaighis is held by other lawyers.

Heather M. Colburn is a lawyer recognized by Best Lawyers in the practice area of Patent Law. Heather M. practices law in Seattle, Washington Best Lawyers has recognized Heather M. Colburn since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Heather M. Colburn is held by other lawyers.

Rich Birmingham has over 30 years of experience in both employee benefit consulting and ERISA litigation. He is one of the few lawyers in the country who is listed in "Best Lawyers in America" in two employee benefit categories—ERISA law and ERISA litigation. His command of both the substantive and litigation areas of ERISA enable him to give practical proactive advice when consulting with clients and to obtain early dismissal or settlement when litigating ERISA matters. Rich is a frequ...

David Burman, a partner in the firm's Commercial Litigation practice, has more than 30 years of experience in litigation, including antitrust, appellate, class action, consumer protection, constitutional, media, patent and intellectual property, privacy, and other cases. He also counsels clients in these and other areas. He has worked on many high-profile cases, including two U.S. Supreme Court arguments, the trial contesting the 2004 Washington State Governor's election, Costco Wholesale Cor...