How many patents does
Educational Testing Service have?
patents
204
families
102
granted
98
applications
106
US
175
WO
17
EP
2
CN
2
JP
1
RoW
7
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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Educational Testing Service
Top ten assignees appearing on patents
2009 - 2018
2009
2018
Educational Testing Service
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| systems and methods for testing over a distributed network | 7 | 2002 |
| non-scorable response filters for speech scoring systems | 6 | 2011 |
| automated essay annotation system and method | 5 | 2002 |
| reading level assessment method, system, and computer program product for high-stakes te… 🛈 | 5 | 2008 |
| a latent property diagnosing procedure | 4 | 2001 |
| method of model scaling for an automated essay scoring system | 4 | 2005 |
| computer-implemented systems and methods for evaluating prosodic features of speech | 4 | 2011 |
| systems and methods for assessment of non-native spontaneous speech | 4 | 2008 |
| method and system for assessing pronunciation difficulties of non-native speakers | 3 | 2005 |
| system and method for handling the confounding effect of document length on vector-based… 🛈 | 3 | 2008 |