He then worked as an attorney in the Office of the Legal Adviser to the Department of State and Adviser to the United States Delegation to the United Nations General Assembly (1951–53). Afterwards he was a Legislative Assistant to U.S. Senator Richard L. Neuberger (1955–58). Linde was Associate Professor and Professor of Law at the University of Oregon in 1954 and 1959–76, and has been a visiting professor in the law schools at U.C.L.A., Stanford, New York University, University of Texas, and a Fulbright lecturer in Freiburg and Hamburg, as well as at Willamette University. His publications include a coursebook in Legislative and Administrative Processes and more than 100 articles, lectures, and reviews.