Getting your arms around public domain: What to know as another years’ worth of content becomes available

Getting ready to field public domain questions in the new year? Join the Copyright Society’s Audiovisual Committee to talk through common headaches like: 1) is this PD in the US or everywhere, 2) how do I know how close I can get to related elements that are not PD (eg, illustrations, derivative works), and 3) what if part of the canon is PD but not all of it?