| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Intellectual Property and Competition Law: The Innovation Nexus | 978-1-84542-135-9 | 2006 | |
| Kritika: Essays on Intellectual Property: Volume 2 | 978-1-78643-898-0 | 2017 | Hanns Ullrich · Professor Peter Drahos |
| Kritika: Essays on Intellectual Property: Volume 3 | 978-1-78897-115-7 | 2018 | Hanns Ullrich · Peter Drahos |
| Kritika: Essays on Intellectual Property: Volume 4 | 978-1-83910-133-5 | 2020 | Peter Drahos · Hanns Ullrich |
| Rethinking Intellectual Property: Balancing Conflicts of Interest in the Constitutional Paradigm | 978-1-78347-800-2 | 2018 | |