Can a U.S. Government work be copyrighted if it is included in conference proceedings with other works that are copyrighted?
No, a U.S. Government work is not protected by copyright in the U.S (see FAQ Section 3.1.2). However, other works in the proceedings may be copyrighted (see FAQ Section 2.1.4). Additionally, the creative aspect of the compilation of materials, e.g., selection, coordination or arrangement, may be protected by copyright.