Diane L. Polscer

Michael D. Walker is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Michael 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 Michael D. is held by other top lawyers in the same geographic and legal practice area.

Heidi Mandt is a Portland, Oregon–based attorney who focuses on civil litigation involving product liability, professional liability, toxic torts, and insurance defense. She represents clients in state and federal courts in matters involving personal injury, commercial disputes, and insurance coverage. Heidi has tried more than twenty cases to verdict and has extensive courtroom experience handling claims involving product liability, medical and professional malpractice, and general lia...

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...

Clifford A. DeGroot is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Clifford A., 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 Clifford A. 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 ...

David Connell is a Shareholder in Buchalter’s Portland office and a member of the Firm’s Corporate Practice Group. Mr. Connell has extensive experience in the emerging growth, technology, nonprofit and social enterprise, energy, and healthcare sectors and often serves as general counsel to business and nonprofit enterprises. He began his career as a tax attorney with an international accounting firm, and brings his tax and finance experience to the table when advising clients.

Robert R. Calo is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Robert R., who practices law in Lake Oswego, Oregon, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert R. is held by other top lawyers in the same geographic and legal practice area.

Starla K. Roels is a top attorney recognized by Best Lawyers in the practice area(s) of Native American Law. Starla K., 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 Starla K. is held by other top lawyers in the same geographic and legal practice area.

Marisa Meltebeke is a top attorney recognized by Best Lawyers in the practice area(s) of Nonprofit / Charities Law and Tax Law. Marisa, 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 Marisa is held by other top lawyers in the same geographic and legal practice area.

Mark P. Trinchero is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative / Regulatory Law, Communications Law and Utilities Law. Mark P., who practices law in Portland, Oregon, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark P. is held by other top lawyers in the same geographic and legal practice area.