Term ends Feb 7, 2031 · High confidence
20-year base term ends Mar 16, 2030
Held by Atyr Pharma, Inc.
Filed Mar 16, 2010 as application 12/725,272 · Granted Mar 26, 2013
Base term plus 328 days of patent term adjustment (USPTO delay)
Today
2010
2031
Clock starts
Mar 16, 2010
Mar 16, 2010
Term ends
Feb 7, 2031
Feb 7, 2031
Granted
Mar 26, 2013
Mar 26, 2013
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
328
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
9
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 runs 328 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Mar 16, 2010, when this application, 12/725,272, was filed | Mar 16, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +328 days, USPTO patent term adjustment record | Feb 7, 2031 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Feb 7, 2031 | High confidence |
This family
| US 8,404,242 | this patent Feb 2031 | Feb 2031 |
| US 8,753,638 | In force Mar 2030 | Mar 2030 |
| US 9,605,265 | In force Mar 2030 | Mar 2030 |
| US 10,017,582 | In force Mar 2030 | Mar 2030 |
| US 10,526,419 | In force Mar 2030 | Mar 2030 |
| US 10,941,214 | In force Mar 2030 | Mar 2030 |
| US 11,078,299 | In force Mar 2030 | Mar 2030 |
| US 12,497,466 | In force May 2033 | May 2033 |
8 of 9 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Jul 30, 2010 Reel 24770, frame 677 | Zhou, Jie; Lau, Ching Fun; Xu, Zhiwen; Lo, Wing Sze; Piehl, Kristi Helen; Greene, Leslie Ann | Atyr Pharma, Inc. | Assignment of Assignor's Interest |
| Aug 3, 2010 Reel 24783, frame 214 | Zhou, Jie; Lau, Ching Fun; Xu, Zhiwen; Lo, Wing Sze; Piehl, Kristi Helen; Greene, Leslie Ann | Atyr Pharma, Inc. | Corrective Assignment to Correct the Application Number from 12752272 to 12725272 Previously Recorded on Reel 024770 Frame 0677. Assignor(S) Hereby Confirms the Assignment of the Entire Right, Title and Interest. |
| Sep 20, 2011 Reel 26935, frame 155 | Zhou, Jie; Lau, Ching Fun; Xu, Zhiwen; Lo, Wing-sze | Pangu Biopharma Limited | Assignment of Assignor's Interest |
| Feb 9, 2012 Reel 27681, frame 754 | Atyr Pharma, Inc. | Pangu Biopharma Limited | Assignment of Assignor's Interest |
| Feb 9, 2012 Reel 27681, frame 770 | Pangu Biopharma Limited | Atyr Pharma, Inc. | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Feb 2031
Term ends Feb 7, 2031. No further fees fall due before then
Note
The 328 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
175
later US patents cite this one
That is top 5% of utility patents granted in 2013 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.