Darius L. Hartwell

Laura Maffei brings her experience as a geologist to her practice in environmental and natural resources law. She has extensive experience in Clean Water Act regulation in both Oregon and Washington where she assists clients with negotiating permit conditions and complying with permits. Ms. Maffei has litigated a number of Clean Water Act cases in both state and federal court, including defending against citizen suits and challenges to state-wide Clean Water Act regulations. Ms. Maffei provid...

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...

Keith has tried personal injury cases to verdict in state and federal courts and has been recognized by his former clients and fellow Oregon lawyers for his record of providing ethical and effective representation. Keith is rated among the Top 50 lawyers in Oregon by peer review in Super Lawyers, has been elected to the American Board of Trial Advocates, and is listed in Best Lawyers in America. Keith is rated “10.0 Superb” by the independent rating service Avvo.com and is rated &...

Melissa E. Chapman is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Melissa E., 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 Melissa E. is held by other top lawyers in the same geographic and legal practice area.

Kaley L. Fendall is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Mergers and Acquisitions Law. Kaley L., 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 Kaley L. is held by other top lawyers in the same geographic and legal practice area.

Daniel Larsen is a Shareholder in Buchalter’s Intellectual Property, Commercial Litigation, and Health Care Practice Groups. Within these practice areas, Mr. Larsen advocates and provides trusted advice to his clients for most varieties of business disputes. Whether as a litigator or advisor, he guides his clients towards creative, cost-effective solutions to achieve business goals while navigating risk by balancing the business interests and economic realities unique to each of his cli...

Michelle Bertolino is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Michelle, 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 Michelle is held by other top lawyers in the same geographic and legal practice area.

Matthew Kalmanson is an accomplished appellate attorney and partner at Hart Wagner LLP in Portland, Oregon. He regularly serves as lead appellate counsel in cases before state and federal appellate courts in the Pacific Northwest. As a former federal and state appellate clerk, and an experienced appellate practitioner, Matt knows how to use the appellate process to his clients’ advantage. He is often hired to assist attorneys already in litigation, and brief and argue complex legal and ...

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.

John Robb is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: General Practice and Criminal Defense: White-Collar. John, 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 John is held by other top lawyers in the same geographic and legal practice area.