Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10867525 | Systems and methods for generating recitation items | Su-Youn Yoon, Lei Chen, Keelan Evanini | 2020-12-15 |
| 10755595 | Systems and methods for natural language processing for speech content scoring | Lei Chen, Anastassia Loukina | 2020-08-25 |
| 10628731 | Deep convolutional neural networks for automated scoring of constructed responses | Derrick Higgins, Lei Chen, Michael Heilman, Nitin Madnani | 2020-04-21 |