Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9038057 | Method for replacing an illegitimate copy of a software program with a legitimate copy and corresponding system | — | 2015-05-19 |
| 8649513 | Method for converting non copy protected data into copy protected data | Klaus Holzapfel, Walter Hinterhoelzl, Markus Prenn, Rupert Schoenauer | 2014-02-11 |
| 8000179 | Optical disc including two different sets of sectors having identical IDs | Markus Spitzlinger, Walter Hinterhoelzl, Markus Prenn, Klaus Holzapfel, Andreas Winter | 2011-08-16 |