Sherrill A. Corbett

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...

Christopher Rich is a partner in the firm's Environment, Energy & Resources practice. He focuses on complex environmental cleanup compliance and litigation under CERCLA and state Superfund laws, resolution of state and federal governmental enforcement actions, and RCRA, Clean Water Act and Clean Air Act compliance and permitting.

Marc A. Johnston is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Marc A., who practices law in Portland, Oregon, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marc A. is held by other top lawyers in the same geographic and legal practice area.

Julia E. Markley is a litigation partner in the Portland, Oregon office of Perkins Coie LLP. She has 14 years of legal experience in the federal and state courts. Her clients include companies in the construction, communications, technology, energy, mining, manufacturing, food, and retail industries. Julia's diverse litigation practice includes complex business, class action, intellectual property, franchise and employment disputes. She has also handled cases involving political and constitut...

Jason M. Ayres is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law, Litigation - Banking and Finance and Litigation - Bankruptcy. Jason M., 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 Jason M. is held by other top lawyers in the same geographic and legal practice area.

John H. Chambers is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and Litigation - Real Estate. John H., 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 John H. is held by other top lawyers in the same geographic and legal practice area.

Per Olson practices exclusively criminal defense in state and federal court. He takes on a wide variety of cases from misdemeanors to major felonies, including DUII, fraud and theft, violent crimes, sex crimes, white collar crimes, drug crimes, and other interstate and transnational crimes. Per has obtained multiple acquittals for his clients in state and federal court. Per graduated magna cum laude from Willamette University in Salem, and then attended Lewis & Clark Law School in Portlan...

J. Matthew Donohue is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. J. Matthew, who practices law in Portland, Oregon, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which J. Matthew is held by other top lawyers in the same geographic and legal practice area.

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...

Michael Zahn is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Michael, 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 Michael is held by other top lawyers in the same geographic and legal practice area.