| 99375084 | ALTIGEN | ALTIGEN COMMUNICATIONS, INC. | 8269958 |
| 88231745 | SMARTSIP | ALTIGEN COMMUNICATIONS, INC. | 5882579 |
| 98606406 | COREINSIGHTS | Altigen Communications, Inc. | — |
| 98431766 | ALTIGEN TECHNOLOGIES | Altigen Communications, Inc. | 8170504 |
| 98641912 | AT ALTIGEN TECHNOLOGIES POWERED BY INNOVATION, DRIVEN BY RESULTS | Altigen Communications, Inc. | 7897085 |
| 98698345 | AT | Altigen Communications, Inc. | 7897634 |
| 87586583 | ALTIGEN | AltiGen Communications, Inc. | 5587676 |
| 78516473 | ALTISERV | AltiGen Communications, Inc. | 3103220 |
| 78516471 | ALTIGEN | AltiGen Communications, Inc. | 3103219 |
| 97543873 | MAXCLOUD UC | Altigen Communications, Inc. | 7216677 |
| 97524435 | COREENGAGE | ALTIGEN COMMUNICATIONS, INC. | 7156533 |
| 97524404 | COREINTERACT | ALTIGEN COMMUNICATIONS, INC. | 7156528 |
| 85246152 | IFUSION | Altigen Communications, Inc. | 4028473 |
| 78510589 | CELLULAR EXTENSION | AltiGen Communications, Inc. | — |
| 78510220 | SUPERQ | AltiGen Communications, Inc. | — |
| 78508701 | ALTI-MOBILE EXTENSION | AltiGen Communications, Inc. | — |
| 78508673 | IPTALK | AltiGen Communications, Inc. | — |
| 78508580 | EXTENSIONANYWHERE | AltiGen Communications, Inc. | — |
| 75647750 | ZOOMERANG | Altigen Communications, Inc. | 2464345 |
| 74696147 | ALTISERV | ALTIGEN COMMUNICATIONS, INC. | 2053426 |
| 74696146 | ALTIGEN | ALTIGEN COMMUNICATIONS, INC. | 2053425 |
