Collateral for a security interest recorded May 29, 2020 (Solar Capital Ltd.).
Term ends Feb 6, 2030 · High confidence
20-year base term ends Sep 1, 2029
Held by Si-Bone Inc.
Filed Sep 1, 2009 as application 12/584,163 · Granted Jan 29, 2013
Base term plus 158 days of patent term adjustment (USPTO delay)
Today
2009
2030
Clock starts
Sep 1, 2009
Sep 1, 2009
Term ends
Feb 6, 2030
Feb 6, 2030
Granted
Jan 29, 2013
Jan 29, 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
158
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 158 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 Sep 1, 2009, when this application, 12/584,163, was filed | Sep 1, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +158 days, USPTO patent term adjustment record | Feb 6, 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 | Feb 6, 2030 | High confidence |
This family
| US 8,361,003 | this patent Feb 2030 | Feb 2030 |
| Application 13/752,120 | Abandoned 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 |
|---|---|---|---|
| Apr 26, 2012 Reel 28115, frame 347 | Reiley, Mark | Si-Bone Inc. | Assignment of Assignor's Interest |
| Oct 27, 2017 Reel 43975, frame 669 | Si-Bone, Inc. | Biopharma Credit Investments IV Sub LP | Security Interest |
| May 29, 2020 Reel 52794, frame 423 | Biopharma Credit Investments IV Sub LP | Si-Bone, Inc. | Release of Security Interest in Patent Collateral at Reel/Frame No. 043975/0669 |
| May 29, 2020 Reel 52795, frame 289 | Si-Bone, Inc. | Solar Capital Ltd., as Collateral Agent | Intellectual Property Security Agreement |
| Aug 12, 2021 Reel 57182, frame 104 | SLR Investment Corp. (F/K/A Solar Capital Ltd., as Collateral Agent) | Si-Bone, Inc. | Release of Security 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 2030
Term ends Feb 6, 2030. No further fees fall due before then
Note
The 158 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
28
later US patents cite this one
That is top 25% 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.