Rishi Puri

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...

Neil Nathanson, a partner in the firm's Business practice, focuses on emerging technology company representation. He advises startups and other emerging growth companies in venture, angel and other private and public equity and debt financings, corporate governance, securities law, mergers and acquisitions, and computer and Internet law. He also represents angels, venture capital funds and private equity firms on portfolio investments.

Jen Wagner is a litigation attorney who practices in the areas of complex business, employment, securities, and class action litigation. Jen represents clients in state and federal court and in private arbitrations. Jen was recognized by Oregon Super Lawyers and is also listed in Best Lawyers for commercial litigation. Outside of work, Jen enjoys spending time with her family, traveling, reading and hiking.

Karen O’Kasey’s trial practice focuses on defending employers and medical professionals in state and federal courts in both Oregon and Washington. She has represented employers in all types of employment discrimination claims brought in federal and state court. In addition to defending private employers, Ms. O’Kasey has extensive experience defending municipalities against all types of tort claims, including Section 1983 claims, First Amendment claims, and public accommodati...

Teresa Foster is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Teresa, who practices law in Vancouver, Washington, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Teresa is held by other top lawyers in the same geographic and legal practice area.

Lisa E. Martin is a top attorney recognized by Best Lawyers in the practice area(s) of Collaborative Law: Family Law. Lisa E., who practices law in Vancouver, Washington, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lisa E. 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...

Nicole Erickson is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Nicole, 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 Nicole is held by other top lawyers in the same geographic and legal practice area.

Julie Smith is an appellate lawyer who also specializes in advising trial attorneys on litigation strategy and in drafting and arguing complex motions. Before joining Cosgrave, she served as an Assistant Attorney General in the Trial and Appellate Divisions of the Oregon Department of Justice, where she twice received the department’s Outstanding Achievement Award. Prior to that, she clerked for the Honorable Virginia Linder of the Oregon Court of Appeals. Appellate services include: Re...

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