Christopher D. Erickson Tonkon Torp LLP, Portland Christopher D. Erickson, Tonkon Torp LLP, Portland. Mr. Erickson focuses his practice on intellectual property matters. He helps companies actively protect their trademarks, copyrights, patents, and trade secrets and advises companies on the value and business impacts of intellectual property. With a focus on intellectual property and general business matters, Mr. Erickson drafts and negotiates license agreements, technology and software purchase agreements, nondisclosure agreements, sponsorship agreements, and service agreements. He helps companies register and protect their trademarks and service marks at the federal and state level. Mr. Erickson is a member of the Multnomah Bar Association and the International Trademark Association. (02/12)