Also listed on Savid Therapeutics Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Apr 25, 2030 · High confidence
20-year base term ends Feb 19, 2030
Held by Complecure, Inc.
Filed Oct 31, 2011 as application 13/202,102 · Granted Oct 1, 2013
Base term plus 65 days of patent term adjustment (USPTO delay)
Today
2010
2030
Clock starts
Feb 19, 2010
Feb 19, 2010
Term ends
Apr 25, 2030
Apr 25, 2030
Granted
Oct 1, 2013
Oct 1, 2013
base term
patent term adjustment
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
65
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.
2
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 65 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 Feb 19, 2010, when application PCT/JP2010/001100, the earliest non-provisional in its chain, was filed (this one was filed Oct 31, 2011) | Feb 19, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +65 days, USPTO patent term adjustment record | Apr 25, 2030 | 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 | Apr 25, 2030 | High confidence |
This family
| US 8,546,537 | this patent Apr 2030 | Apr 2030 |
1 of 2 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 |
|---|---|---|---|
| Oct 31, 2011 reel/frame not recorded | Doi, Hirofumi; Hamakubo, Takao; Kodama, Tatsuhiko; Sugiyama, Akira; Tsumoto, Kouhei | The University of Tokyo | Assignment of Assignor's Interest |
| Oct 31, 2011 reel/frame not recorded | Doi, Hirofumi; Hamakubo, Takao; Kodama, Tatsuhiko; Sugiyama, Akira; Tsumoto, Kouhei | Perseus Proteomics Inc. | Assignment of Assignor's Interest |
| Oct 31, 2011 Reel 27148, frame 507 | Kodama, Tatsuhiko; Hamakubo, Takao; Doi, Hirofumi; Sugiyama, Akira; Tsumoto, Kouhei | The University of Tokyo; Perseus Proteomics Inc. | Assignment of Assignor's Interest |
| Dec 27, 2017 Reel 44491, frame 365 | Perseus Proteomics Inc. | Savid Therapeutics Inc. | Assignment of Assignor's Interest |
| Nov 22, 2024 Reel 69372, frame 579 | Savid Therapeutics Inc. | Complecure, 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.
What's changing
Apr 2030
Term ends Apr 25, 2030. No further fees fall due before then
Note
The 65 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
10
later US patents cite this one
That is above the median 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.