Also listed on Gcoa Co., Ltd., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends no later than Dec 23, 2034 · Medium confidence
20-year base term ends Dec 23, 2034
In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.
Dec 23, 2014
Dec 23, 2034
Nov 28, 2017
This patent's term is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 2 of 3 maintenance fees are paid so far. Confidence: Medium. from the record
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Dec 23, 2014, when application PCT/KR2014/012758, the earliest non-provisional in its chain, was filed (this one was filed Jun 23, 2016) | Dec 23, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer on file (approved), reference document not resolved | no cap applied, and none guessed | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | no later than Dec 23, 2034 | Medium confidence |
This family
| US 9,832,589 | this patent no later than Dec 2034 | no later than Dec 2034 |
| US 10,158,965 | In force Dec 2034 | Dec 2034 |
| US 10,433,099 | In force Dec 2034 | Dec 2034 |
| US 10,701,511 | In force Dec 2034 | Dec 2034 |
| US 11,109,180 | In force Dec 2034 | Dec 2034 |
| US 11,689,879 | In force Dec 2034 | Dec 2034 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Jun 23, 2016 Reel 38997, frame 102 | Lee, Taegyu; Oh, Hyunoh | Wilus Institute of Standards and Technology Inc. | Assignment of Assignor's Interest |
| Feb 12, 2018 Reel 44905, frame 601 | Wilus Institute of Standards and Technology Inc. | Binaural Audio Technology Inc. | License |
| Jul 16, 2020 Reel 53235, frame 462 | Binaural Audio Technology Inc. | Wilus Institute of Standards and Technology Inc. | Termination Agreement of Exclusive License |
| Jun 22, 2021 Reel 56610, frame 624 | Wilus Institute of Standards and Technology Inc. | Wilus Institute of Standards and Technology Inc.; Gcoa Co., Ltd. | Assignment of Assignor's Interest |
| Jun 22, 2021 reel/frame not recorded | Wilus Institute of Standards and Technology Inc. | Wilus Institute of Standards and Technology Inc. | Assignment of Assignor's Interest |
| Jun 22, 2021 reel/frame not recorded | Wilus Institute of Standards and Technology Inc. | Gcoa Co., Ltd. | Assignment of Assignor's Interest |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
What's changing
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Dec 23, 2034. We will not guess the cap.