Iain Armstrong

Nicole has defended individuals and businesses in a wide variety of complex litigation matters over her 22-year legal career, including trucking and automobile liability, liquor liability, legal malpractice, and hospitality and hotel-related claims. She is a strong advocate for her clients and an experienced and effective trial/arbitration attorney. Nicole is often retained to defend cases which are of a sensitive nature, such as defending businesses in vicarious liability claims involving se...

Elizabeth C. Knight is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Professional Malpractice Law - Defendants. Elizabeth C., who practices law in Portland, Oregon, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Elizabeth C. is held by other top lawyers in the same geographic and legal practice area.

Renée Rothauge is a dynamic trial lawyer clients turn to when they are faced with high-stakes, complex business disputes. With nearly 30 years of trial experience and solid reputation for tenacious client representation in and out of the courtroom, she has earned her place among an elite group of renowned litigators. Chambers USA’s Guide to Lawyers and Law Firms calls her “brilliant.” One of her clients described Renée as “very intelligent, very articulat...

Collin McKean is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships), Collaborative Law: Family Law, Family Law and Litigation - Labor and Employment. Collin, 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 Collin is held by other top lawyers in the same geographic and legal practice area.

Michael J. (Sam) Sandmire Partner Sam Sandmire's practice is focused on complex business, product liability, personal injury, and employment litigation and counseling. Sam defends and prosecutes claims in a wide range of business disputes and defends insured and self-insured manufacturers in product liability, class action, consumer fraud, construction and mass tort litigation. He has litigated toxic exposure, catastrophic injury, and multi-state consumer fraud claims on behalf of manufacture...

Peter D. Sabido is a top attorney recognized by Best Lawyers in the practice area(s) of Copyright Law, Trade Secrets Law and Trademark Law. Peter D., who practices law in Portland, Oregon, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter D. is held by other top lawyers in the same geographic and legal practice area.

Katherine VanZanten is an estate planning and tax attorney who has significant experience in estate planning, business and tax planning, charitable remainder trusts and establishing charitable organizations. Katherine has an active estate planning practice helping clients and their families complete their estate planning goals. She regularly advises fiduciaries on their duties with respect to trust and probate administration.

Jaimie has been a practicing attorney in the Portland metro area since 2012. She joined Black Helterline LLP in 2022 after four years working at a Portland insurance defense firm focusing on construction defect and general liability defense. Prior to that, Jaimie served as the first ever volunteer prosecutor for the Washington County District Attorney’s Office; worked for a Seattle-based firm focusing on lending litigation; and worked with Stuart M. Brown, a highly regarded business and...

Michael Wiswall is a native Oregonian. He began his legal career at Hart Wagner LLP in 1994, and became a partner of the firm in 1999. For nearly 20 years, Mike’s practice has primarily focused on defending medical malpractice lawsuits throughout the Northwest. Mike also assists hospitals and clinics with pre-litigation evaluations, as well as with their early disclosure and resolution programs. Mike frequently represents physicians, dentists, pharmacists and nurses before state licensi...

John DiLorenzo has authored and been a primary advocate for major legislation in the areas of state and local taxation, with special emphasis on property tax, tort reform, natural resources and economic development. John also assists clients in campaign finance, government ethics, initiatives and referendums, insurance recovery actions, environmental claim responses, appellate cases and a variety of government-related litigation matters.