Tonkon Torp LLP is a Portland, Oregon business and litigation law firm serving public companies, substantial private enterprises, entrepreneurial businesses, and individuals throughout the Northwest. The firm advises clients on business formation, corporate governance, mergers and acquisitions, securities, intellectual property, real estate and land use, tax, labor and employment, bankruptcy, and regulatory matters. Its lawyers also represent clients in commercial disputes, appeals, arbitration, and other complex litigation.
Tonkon Torp LLP was founded in 1974 and has grown into one of the largest law firms headquartered in Oregon, with more than 90 lawyers. The firm combines deep regional roots with broader reach through the Law Firm Alliance, an international network of independent business law firms. Its history reflects longstanding work with companies at different stages of growth, from startups and closely held businesses to major public and private enterprises.
Tonkon Torp LLP handles significant transactions, disputes, and restructuring matters across a wide range of industries. Its attorneys advise on corporate finance, venture capital, acquisitions and divestitures, commercial agreements, real estate development, environmental compliance, intellectual property protection, and tax planning. Its litigation teams represent clients in contract disputes, shareholder and governance conflicts, employment claims, bankruptcy proceedings, intellectual property disputes, real estate matters, and administrative and regulatory proceedings.
Tonkon Torp LLP has earned recognition for its business and litigation practices and its individual attorneys. Chambers USA 2026 recognized 25 of the firm’s lawyers across eight practice areas, including Band 1 rankings for attorneys in bankruptcy and restructuring, intellectual property, and immigration. The firm also emphasizes pro bono service, community involvement, diversity, and sustainability while providing practical legal advice designed to protect client interests and support long-term business objectives.