James P. Estes

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

Jason’s practice focuses on complex litigation, including the defense of product liability, toxic tort, environmental and commercial litigation claims. He has diverse trial court experience, having tried cases, mediated or argued dispositive motions in Oregon, Washington, Idaho and California courts. In additional to his trial practice, Jason has successfully mediated or arbitrated hundreds of other cases throughout the Pacific Northwest. Jason serves as national counsel for several pro...

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...

Yoona Park strives to embody the spirit of ”nunchi” (눈치), a Korean concept that recognizes the importance of reading the moods, tone, and goals of individuals within a group, and adjusting one’s actions to meet those group dynamics. Yoona is motivated by this interpersonal aspect of her collaborative efforts in the legal profession—including those with co-counsel, Keller Rohrback colleagues, and clients. Her leadership ability and passion for both teamwork and advocacy...

Courtney W. Angeli is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Individuals, Employment Law - Management and Litigation - Labor and Employment. Courtney W., who practices law in Portland, Oregon, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Courtney W. is held by other top lawyers in the same geographic and legal practice area.

With more than 30 years of experience working on commercial finance, real estate and creditors’ rights matters, Susan Alterman focuses her practice on commercial banking and complex real estate transactions. She assists a variety of financial institutions and real estate investors in structuring real estate and asset-based credit facilities, including loan documentation, underwriting considerations, and regulatory matters. Susan regularly represents banks and other financial institution...

EXPERIENCED, STRATEGIC, RESPECTED, COMMITTED An experienced legal ethics practitioner and commercial and employment litigator, I focus my practice on the provision of legal and government ethics and risk management advice to lawyers, law firms, corporate in-house counsel, government attorneys, elected officials and political parties. I defend, advise, and serve as an expert on all aspects of the law governing lawyers and government officials including the defense of state bar and government e...

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.

John Thomas is a partner in the firm's Business practice. He counsels clients in the areas of public offerings, mergers and acquisitions, private placements, restructurings and spinoffs, securities compliance and corporate governance.

Paul C. Buchanan is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Individuals, Employment Law - Management and Labor Law - Management. Paul C., 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 Paul C. is held by other top lawyers in the same geographic and legal practice area.