| 75766296 | IN THE LOOP | PairGain Technologies, Inc. | — |
| 75719592 | ONE OPEN PLANET | PairGain Technologies, Inc. | — |
| 76083926 | PAIRGAIN ACE | PairGain Technologies, Inc | — |
| 76027397 | PAIRGAIN THE POWER BEHIND DSL ACCESS | PairGain Technologies, Inc. | — |
| 76027396 | PAIRGAIN | PairGain Technologies, Inc. | — |
| 76027395 | RAPIDLAUNCH | PairGain Technologies, Inc. | — |
| 76027393 | RAPIDPROGRESS | PairGain Technologies, Inc. | — |
| 76027075 | RAPIDROLLOUT | PairGain Technologies, Inc. | — |
| 75812600 | RADIA | PairGain Technologies, Inc. | — |
| 75779594 | SKYROCKET | PairGain Technologies, Inc. | — |
| 75702307 | PRIORITYVOICE | PairGain Technologies, Inc. | — |
| 75702306 | DSL VIEW | PairGain Technologies, Inc. | — |
| 75697661 | INSTACONNECT | PairGain Technologies, Inc. | — |
| 75697659 | ACCESSGAIN | PairGain Technologies, Inc. | — |
| 75666439 | EASYSESSION | PairGain Technologies, Inc. | — |
| 75666329 | MUXWARE | PairGain Technologies, Inc. | — |
| 75666232 | INTERWARE | PairGain Technologies, Inc. | — |
| 75666229 | SOLITAIRE | PairGain Technologies, Inc. | — |
| 75666227 | POWERGAIN | PairGain Technologies, Inc. | — |
| 75652541 | HIGAIN JOLT | PairGain Technologies, Inc. | — |
| 75590850 | PG-TRACKER | PairGain Technologies, Inc. | 2432119 |
| 75536790 | CAMPUS-HRS | PairGain Technologies, Inc. | — |
| 75361031 | ACCESSHUB | PairGain Technologies, Inc. | — |
| 75360634 | ACCESSGATE | PairGain Technologies, Inc. | — |
| 75360633 | CAMPUS-768 | PairGain Technologies, Inc. | 2235738 |
| 75222413 | PAIRGAIN THE COPPEROPTICS COMPANY | PAIRGAIN TECHNOLOGIES, INC. | 2275160 |
| 75163054 | ETHERTEL | PAIRGAIN TECHNOLOGIES. INC. | — |
| 75059909 | CAMPUS-384 | PAIRGAIN TECHNOLOGIES. INC. | 2080973 |
| 75059140 | FALCON | PAIRGAIN TECHNOLOGIES, INC. | — |
| 75055506 | ETHERPHONE | PAIRGAIN TECHNOLOGIES. INC. | — |
| 74656736 | COPPEROPTICS | PairGain Technologies, Inc. | 2072352 |
| 74375334 | PAIRGAIN | PairGain Technologies, Inc. | 1819746 |
| 74370292 | CAMPUS-E1 | PairGain Technologies, Inc. | 2035887 |
| 74370291 | CAMPUS-T1 | PairGain Technologies, Inc. | 1998499 |
| 74015439 | PAIR SAVER | PairGain Technologies, Inc. | — |
| 74012235 | PAIRGAIN | PAIRGAIN TECHNOLOGIES, INC. | — |
| 74012234 | PAIRGAIN | PAIRGAIN TECHNOLOGIES, INC. | — |
