Collateral for a security interest recorded Jan 26, 2026 (Golub Capital Markets LLC).
Term ends Aug 7, 2032 · High confidence
20-year base term ends Jun 22, 2032
Held by Collagen Matrix, Inc.
Filed Mar 12, 2021 as application 17/199,920 · Granted Apr 30, 2024
Base term plus 46 days of patent term adjustment (USPTO delay)
Today
2012
2032
Clock starts
Jun 22, 2012
Jun 22, 2012
Term ends
Aug 7, 2032
Aug 7, 2032
Granted
Apr 30, 2024
Apr 30, 2024
base term
patent term adjustment
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
46
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
4
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 46 days past its 20-year base term on prosecution delay. 0 of 2 maintenance fees are 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 Jun 22, 2012, when application 13/530,297, the earliest non-provisional in its chain, was filed (this one was filed Mar 12, 2021) | Jun 22, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +46 days, USPTO patent term adjustment record | Aug 7, 2032 | 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 | 0 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 7, 2032 | High confidence |
This family
| Application 13/530,297 | Abandoned not computed | not computed |
| US 10,945,846 | In force Jun 2032 | Jun 2032 |
| US 11,969,349 | this patent Aug 2032 | Aug 2032 |
| Application 18/621,297 | 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 |
|---|---|---|---|
| Mar 7, 2024 Reel 66680, frame 562 | Li, Shu-tung; Chen, Hui-chen; Yuen, Debbie | Collagen Matrix, Inc. | Assignment of Assignor's Interest |
| Jan 26, 2026 Reel 73583, frame 614 | Collagen Matrix, Inc. | Golub Capital Markets LLC, as Collateral Agent | 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
Aug 2032
Term ends Aug 7, 2032. Maintenance fees still fall due before then
Note
The 46 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
1
later US patent cites this one
Fewer than half of the utility patents granted in 2024 in our data have been cited yet, so we show the count and do not rank on it.
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.