Term ends Apr 26, 2040 · High confidence
20-year base term ends Apr 26, 2040
Filed Aug 12, 2021 as application 17/401,208 · Granted May 10, 2022
Base term, 20 years from filing
Today
2020
2040
Clock starts
Apr 26, 2020
Apr 26, 2020
Term ends
Apr 26, 2040
Apr 26, 2040
Granted
May 10, 2022
May 10, 2022
base term
fee events
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
1 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
5
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term is its 20-year base term, with no adjustment for prosecution delay. 1 of 3 maintenance fees is paid so far. Confidence: High. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Apr 26, 2020, when application 16/858,675, the earliest non-provisional in its chain, was filed (this one was filed Aug 12, 2021) | Apr 26, 2040 | 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 | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 26, 2040 | High confidence |
This family
| US 11,133,806 | In force Apr 2040 | Apr 2040 |
| US 11,329,653 | this patent Apr 2040 | Apr 2040 |
| US 11,711,084 | In force Apr 2040 | Apr 2040 |
| US 12,191,865 | In force Apr 2040 | Apr 2040 |
| Application 19/011,411 | Pending not computed | not computed |
The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Feb 17, 2022 Reel 59041, frame 216 | Kahrizi, Masoud | Space Exploration Technologies Corp. | Assignment of Assignor's Interest |
| Feb 17, 2022 Reel 59041, frame 239 | Tantos, Andras | Space Exploration Technologies Corp. | Assignment of Assignor's Interest |
| Feb 17, 2022 Reel 59041, frame 261 | Jacquet, David Francois | Stmicroelectronics (Grenoble 2) SAS | Assignment of Assignor's Interest |
| Feb 17, 2022 Reel 59041, frame 289 | Ghazali, Mostafa | Stmicroelectronics (Grenoble 2) SAS | Assignment of Assignor's Interest |
| Feb 18, 2022 Reel 59053, frame 139 | Stmicroelectronics (Grenoble 2) SAS | Stmicroelectronics International N.V. | Assignment of Assignor's Interest |
| Feb 23, 2022 Reel 59076, frame 359 | Stmicroelectronics International N.V. | Space Exploration Technologies Corp. | Assignment of Assignor's Interest |
| Feb 14, 2025 Reel 70631, frame 644 | Space Exploration Technologies Corp. | Space Exploration Technologies Corp. | Certificate of Conversion (State of Delaware to State of Texas; New File No.: 805421124; Filed : 02-14-2024) |
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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Apr 2040
Term ends Apr 26, 2040. Maintenance fees still fall due before then
Citations
3
later US patents cite this one
That is above the median of utility patents granted in 2022 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.