Exhibit 21.1
| Subsidiary Name | Jurisdiction | Type | ||
| ART Advanced Recognition Technologies, Inc. | Delaware | Domestic | ||
| BeVocal LLC | Delaware | Domestic | ||
| Caere Corporation | Delaware | Domestic | ||
| Commissure LLC | Delaware | Domestic | ||
| Dictaphone Corporation | Delaware | Domestic | ||
| eScription, Inc. | Delaware | Domestic | ||
| Focus Infomatics, Inc. | Delaware | Domestic | ||
| Locus Dialogue Technologies USA, Inc. | Delaware | Domestic | ||
| Mobile Voice Control LLC | Delaware | Domestic | ||
| Nuance Communications International, Inc. | Delaware | Domestic | ||
| Nuance Communications LLC | Delaware | Domestic | ||
| Phonetic Systems Inc. | Delaware | Domestic | ||
| Rhetorical, Inc. | Delaware | Domestic | ||
| SpeechWorks International, Inc. | Delaware | Domestic | ||
| Viecore Inc. | Delaware | Domestic | ||
| Vocada LLC | Delaware | Domestic | ||
| Voice Signal Technologies, Inc. | Delaware | Domestic | ||
| Voice Signal International, Inc. | Massachusetts | Domestic | ||
| Voice Signal Korea, Inc. | Massachusetts | Domestic | ||
| Viecore Federal Systems Div., Inc. | New Jersey | Domestic | ||
| Tegic Communications, Inc. | Washington | Domestic | ||
| Dictaphone Pty. Ltd. | Australia | International | ||
| Nuance Communications Australia Pty. Ltd. | Australia | International | ||
| Philips Speech Recognition | Austria | International | ||
| Dictaphone NV | Belgium | International | ||
| Nuance Communications International BVBA | Belgium | International | ||
| Nuance Communications Ltd. | Brazil | International | ||
| BlueStar Options Inc. | British Virgin Islands | International | ||
| BlueStar Resources Limited | British Virgin Islands | International | ||
| SpeechWorks BVI Ltd. | British Virgin Islands | International | ||
| 1448451 Ontario Inc. | Canada | International | ||
| Dictaphone Canada 1995 Inc. | Canada | International | ||
| MultiVision Communications Inc. | Canada | International | ||
| Nuance Communications Montreal Limited | Canada | International | ||
| Nuance Communications Canada, Inc. | Canada | International | ||
| Voice Signal China Inc, | China | International | ||
| Voice Signal Technologies Europe OY | Finland | International | ||
| Nuance Communications France Sarl | France | International | ||
| Dictaphone Deutschland GmbH | Germany | International | ||
| Nuance Communications Aachen GmbH | Germany | International | ||
| Nuance Communications Germany GmbH | Germany | International | ||
| Philips Speech Recognition GmbH | Germany | International | ||
| ScanSoft FSC | Guam | International | ||
| Nuance Communications Hong Kong Limited | Hong Kong | International | ||
| Caere Kft | Hungary | International | ||
| Nuance Recognita Corp. | Hungary | International | ||
| Focus Infosys India Private Limited | India | International |
| Subsidiary Name | Jurisdiction | Type | ||
| Nuance India Pvt. Ltd. | India | International | ||
| Nuance Communications Israel, Ltd. | Israel | International | ||
| Phonetic Systems Ltd. | Israel | International | ||
| Nuance Communications Italy Srl | Italy | International | ||
| Nuance Communications Japan K.K. | Japan | International | ||
| Voice Signal K.K. | Japan | International | ||
| Nuance Communications Netherlands B.V. | Netherlands | International | ||
| Nuance Communications Asia Pacific Pte. Ltd. | Singapore | International | ||
| Philips Speech Recognition Spain | Spain | International | ||
| Nuance Communications Korea Ltd. | South Korea | International | ||
| Nuance Communications Sweden, A.B. | Sweden | International | ||
| Rhetorical Group plc. | Scotland | International | ||
| Rhetorical Systems Limited | Scotland | International | ||
| ScanSoft Taiwan | Taiwan | International | ||
| Dictaphone Company Limited | United Kingdom | International | ||
| Dictaphone International Limited | United Kingdom | International | ||
| Nuance Communications UK Limited | United Kingdom | International |