Lauren Bernton

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

John’s practice is almost exclusively in the context of business and commercial disputes, with a particular emphasis on litigating limited liability company, shareholder, and partnership disputes, state and federal securities claims, construction contract and lien enforcement actions, and probate and trust matters in Oregon and Washington. He has tried dozens of cases to verdict and litigated hundreds of cases through arbitration, summary determination, or other successful adjudication.

Julie Smith is an appellate lawyer who also specializes in advising trial attorneys on litigation strategy and in drafting and arguing complex motions. Before joining Cosgrave, she served as an Assistant Attorney General in the Trial and Appellate Divisions of the Oregon Department of Justice, where she twice received the department’s Outstanding Achievement Award. Prior to that, she clerked for the Honorable Virginia Linder of the Oregon Court of Appeals. Appellate services include: Re...

Joshua P. Stump has been practicing law since 1997 and focuses his practice on matters involving complex business litigation, with a particular emphasis on business/contract, employment and product liability litigation. Josh also has experience in intellectual property, asbestos and other mass tort litigation, administrative law, municipal, civil rights and appeals. For full biography, visit: harrang.com

Katherine's practice focuses on energy regulatory matters and related litigation. She advises and represents utilities and energy companies on a full range of regulatory and administrative law issues, including ratemaking, resource development and acquisition, compliance with environmental mandates, industry restructuring, and utility mergers and acquisitions. She has represented clients before regulatory commissions throughout the West, including Oregon, Washington, Utah, Idaho, Wyoming, Nev...

Heidi Mandt is an accomplished trial attorney with a practice focused on defending clients in product liability, professional malpractice (including medical and other licensed professionals), toxic torts, and general insurance matters. She also advises and represents clients in insurance coverage disputes. Over her career, Heidi has tried more than 20 cases to verdict in both state and federal courts, involving claims ranging from product liability and personal injury to complex commercial di...

Nicole Erickson is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Nicole, who practices law in Portland, Oregon, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nicole is held by other top lawyers in the same geographic and legal practice area.

Trish A. Walsh is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Trish A., who practices law in Portland, Oregon, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Trish A. is held by other top lawyers in the same geographic and legal practice area.

Christie S. Totten is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Christie S., who practices law in Portland, Oregon, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christie S. is held by other top lawyers in the same geographic and legal practice area.

Brent Berselli is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Brent, who practices law in Portland, Oregon, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brent is held by other top lawyers in the same geographic and legal practice area.