Measuring Research and Development Expenditures in the U.S. Nonprofit Sector: Conceptual and Design Issues summarizes the presentations and discussion of the workshop. This report identifies concepts and issues for the design of a survey of R&D expenditures made by nonprofit organizations, considering the goals, content, statistical methodology, data quality, and data products associated with this data collection. The report also considers the broader usefulness of the data for understanding the nature of the nonprofit sector and their R&D activities. Measuring Research and Development Expenditures in the U. S. Nonprofit Sector will help readers understand the role of nonprofit sector given its enormous size and scope as well as its contribution to identifying new forms of R&D beyond production processes and new technology.