| Declaration submission | Manual patent holder change | Declaration submission |
| CA19982474859 | CA19982474859 | CA19982474859 |
| 06/04/1998 | 06/04/1998 | 06/04/1998 |
CA2474859 C 19/06/2007 CA2474859 A1 06/10/1999 | CA2474859 C 19/06/2007 CA2474859 A1 06/10/1999 | CA2474859 C 19/06/2007 CA2474859 A1 06/10/1999 |
| ENCODING AND DECODING METHODS AND APPARATUS | ENCODING AND DECODING METHODS AND APPARATUS | ENCODING AND DECODING METHODS AND APPARATUS |
| METHODES ET APPAREIL DE CODAGE ET DE DECODAGE | METHODES ET APPAREIL DE CODAGE ET DE DECODAGE | METHODES ET APPAREIL DE CODAGE ET DE DECODAGE |
| | | |
| CANADA | CANADA | CANADA |
| | | |
| CA19982234006 | CA19982234006 | CA19982234006 |
| NORTEL NETWORKS LTD [CA] | Microsoft Corp. | Microsoft Corp. |
| | CA19982234006 | X |
| | | |