Abstract: This new edition considers such topics as open access, the defeat of the Stop Online Piracy Act (SOPA), file sharing, e-reserves, the status of "orphan works," and the latest developments under the Digital Millennium Copyright Act (DMCA). The sixth edition also updates fundamental topics: authorship and ownership; transfers and licenses of copyright; copyright notice; registration of copyright (including the new online registration and "preregistration" systems); the scope of rights included in copyright, and exceptions to those rights; "moral rights"; compulsory licenses; tax treatment of copyright; and international aspects of copyright law.