| 75340330 | SECURE CONNECT | Ascend Communications, Inc. | — |
| 75279551 | PRIORITY FRAME | ASCEND COMMUNICATIONS, INC. | 2345902 |
| 75194382 | GRF | Ascend Communications, Inc. | 2115976 |
| 75297970 | NETWARP | Ascend Communications, Inc. | 2171240 |
| 75739187 | DNCP | Ascend Communications, Inc. | 2460946 |
| 75532530 | INTRAGYACCESS | Ascend Communications, Inc. | 2313518 |
| 75488464 | SMARTROUTE | Ascend Communications, Inc. | — |
| 75488459 | AQUEDUCT | Ascend Communications, Inc. | — |
| 75463410 | MAX TKO | Ascend Communications, Inc. | — |
| 75453133 | ADVANTAGE CARD | Ascend Communications, Inc. | — |
| 75386633 | TRUE ACCESS | Ascend Communications, Inc. | — |
| 75340609 | LANVANTAGE | Ascend Communications, Inc. | — |
| 75340382 | DSLTNT | Ascend Communications, Inc. | 2375671 |
| 75340328 | CONNECTABILITY | Ascend Communications, Inc. | — |
| 75330983 | SMOOTHCONNECT | Ascend Communications, Inc. | — |
| 75328876 | NAVIS | Ascend Communications, Inc. | — |
| 75293348 | NETCLARITY | Ascend Communications, Inc. | — |
| 75292678 | SERIES56 | Ascend Communications, Inc. | — |
| 75292070 | SELECTOOLS | Ascend Communications, Inc. | — |
| 75212959 | MULTIDSL | Ascend Communications, Inc. | — |
| 75061515 | ASCEND ACCELERATED | Ascend Communications, Inc. | — |
| 75056195 | ASCEND ACCELERATED | Ascend Communications, Inc. | — |
| 75014126 | MULTILINK PROTOCOL PLUS (MP+) | Ascend Communications, Inc. | — |
| 74697730 | ETHERFRAME | Ascend Communications, Inc. | 1995175 |
| 74371845 | MULTIBAND VSU | Ascend Communications, Inc. | 1808959 |
| 74371844 | MULTIBAND LSU | Ascend Communications, Inc. | 1810601 |
| 74371843 | MULTIBAND MAX | Ascend Communications, Inc. | — |
| 74320192 | MULTIBAND RPM | ASCEND COMMUNICATIONS, INC. | 1799148 |
| 74262833 | MULTIBAND BOSS | Ascend Communications, Inc. | — |
| 74262831 | MULTIBAND PLUS | Ascend Communications, Inc. | 1843508 |
| 74174868 | ASCEND | ASCEND COMMUNICATIONS, INC. | 1727190 |
| 74174626 | ASCEND | ASCEND COMMUNICATIONS, INC. | 1723392 |
| 74151045 | RUBBERBANDWIDTH | ASCEND COMMUNICATIONS, INC. | 1749277 |
| 74109544 | MULTIBAND BANDWIDTH ON DEMAND | Ascend Communications, Inc. | — |
| 74109535 | MULTIBAND | Ascend Communications, Inc. | 1791099 |
