EP1592166A4
Broadcast encryption key distribution system
Abstract
This record has no abstract on file.
Term
Term ended
Projected expiry passed 3 February 2024, 2.6 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
16 sheets
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 Sheet 6 Sheet 7 Sheet 8 Sheet 9 Sheet 10 Sheet 11 Sheet 12 Sheet 13 Sheet 14 Sheet 15 Sheet 16
Every citation, both ways
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| US2002196764A1 | Cites | United States of America | A | Search report | 1-18 |
| DODIS Y FAZIO N: "Public Key Broadcast Encryption for Stateless Receivers", LECTURE NOTES IN COMPUTER SCIENCE/MICCAI 2000, SPRINGER, DE, vol. 2696, 18 November 2002 (2002-11-18), pages 61 - 80, XP003022706, ISBN: 978-3-540-24128-7 | Non-patent | – | – | Search report | – |
| See also references of WO 2004071006A1 | Non-patent | – | – | Search report | – |
9 members in 7 offices
Priority claims3
| Document | Office | Kind | Date |
|---|---|---|---|
| 2003026543 | Japan | – | |
| 2003026543 | Japan | A | |
| 2004001076 | Japan | W |
Members9
| Document | Office | Kind | |
|---|---|---|---|
| WO2004071006A1 | World Intellectual Property Organization (WIPO) | A1 | |
| JP2004266342A | Japan | A | |
| BRPI0403934A | Brazil | A | |
| US2005123141A1 | United States of America | A1 | |
| KR20050101110A | Republic of Korea | A | |
| EP1592166A1 | European Patent Office (EPO) | A1 | |
| CN1698305A | China | A | |
| EP1592166A4This record | European Patent Office (EPO) | A4 | |
| US8094822B2 | United States of America | B2 |
32 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Application deemed to be withdrawnWithdrawn18D | 18D | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWNSTAA | STAA | |
| Intention to grant announcedINTG | INTG | |
| Intention to grant announced (deleted)INTC | INTC | |
| Party data changed (applicant data changed or rights of an application transferred)RAP1 | RAP1 | |
| Information on inventor provided before grant (corrected)RIN1 | RIN1 | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP | GRAP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: GRANT OF PATENT IS INTENDEDSTAA | STAA | |
| Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deletedORIGINAL CODE: EPIDOSDIGR1GRAJ | GRAJ | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: EXAMINATION IS IN PROGRESSSTAA | STAA | |
| Intention to grant announcedINTG | INTG | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP | GRAP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: GRANT OF PATENT IS INTENDEDSTAA | STAA | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: EXAMINATION IS IN PROGRESSSTAA | STAA | |
| First examination report despatched17Q | 17Q | |
| Supplementary search report drawn up and despatchedA4 | A4 | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | |
| Request for extension of the european patent (deleted)DAX | DAX | |
| Designated contracting states (corrected)RBV | RBV | |
| Request for examination filed17P | 17P | |
| Designated contracting statesAK | AK | |
| Request for extension of the european patentAX | AX | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI |
Numbers
- Publication
- 1592166
- Application
- 47076401
Titles3
- German
- RUNDSENDE-VERSCHLÜSSELUNGS-SCHLÜSSELVERTEILUNGSSYSTEM
- English
- BROADCAST ENCRYPTION KEY DISTRIBUTION SYSTEM
- French
- SYSTEME DE DISTRIBUTION DE CLE DE CODAGE DE DIFFUSION
Classification
- CPC, 11
- H04L9/0825
- H04W12/04
- H04L9/083
- H04L9/3263
- H04L12/189
- H04L45/54
- H04L63/061
- H04L2209/601
- H04L2209/80
- H04W84/18
- H04W12/033
- IPC, 3
- H04L9 08
- H04L29 06
- H04L12 56
Designated states4
- Contracting states, 4
- Germany
- France
- United Kingdom
- Italy