ROSETTA STONE, LTD.
16Patents
15Active
16Granted
47Portfolio score
Filing activity: Sep 2, 2003 → Jun 29, 2018 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7524191B2 | System and method for language instruction | Physics | 13 | Expired |
| US8972259B2 | System and method for teaching non-lexical speech effects | Physics | 7 | Active |
| US8840400B2 | Method and apparatus for improving language communication | Physics | 6 | Active |
| US9424834B2 | Method and system for reading fluency training | Physics | 5 | Active |
| US8645135B2 | Method for creating a speech model | Physics | 4 | Active |
| US10068569B2 | Generating acoustic models of alternative pronunciations for utterances spoken by a language learner in a non-native language | Physics | 3 | Active |
| US8880399B2 | Utterance verification and pronunciation scoring by lattice transduction | Physics | 2 | Active |
| US8768697B2 | Method for measuring speech characteristics | Physics | 2 | Active |
| US10210769B2 | Method and system for reading fluency training | Physics | 2 | Active |
| US9135086B2 | Performing a computerized language teaching lesson using a main computer and a mobile device | Electricity | 2 | Active |
| US8002551B2 | Language skills teaching method and apparatus | Physics | 1 | Active |
| US9954938B2 | Performing a computerized language teaching lesson using a main computer and a mobile device | Electricity | 1 | Active |
| US9911349B2 | System and method for language instruction using visual and/or audio prompts | Physics | 1 | Active |
| US8308484B2 | System and methods for detecting deception as to fluency or other ability in a given language | Physics | 1 | Active |
| US10812575B2 | Performing a computerized language teaching lesson using a main computer and a mobile device | Electricity | 1 | Active |
| US10679616B2 | Generating acoustic models of alternative pronunciations for utterances spoken by a language learner in a non-native language | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.