Term ends Jun 22, 2032 · Medium confidence
20-year base term ends Jun 22, 2032
Why Medium: A parent in the chain could not be resolved.
Held by Collagen Matrix, Inc.
Filed Aug 19, 2016 as application 15/241,568 · Granted Mar 16, 2021
Base term, 20 years from filing
Today
2012
2032
Clock starts
Jun 22, 2012
Jun 22, 2012
Term ends
Jun 22, 2032
Jun 22, 2032
Granted
Mar 16, 2021
Mar 16, 2021
base term
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
1 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 is its 20-year base term, with no adjustment for prosecution delay. 1 of 2 maintenance fees is paid so far. Confidence: Medium. 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 Aug 19, 2016); a parent in its chain could not be resolved (the next row) | Jun 22, 2032 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium 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 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jun 22, 2032 | Medium confidence |
This family
| Application 13/530,297 | Abandoned not computed | not computed |
| US 10,945,846 | this patent Jun 2032 | Jun 2032 |
| US 11,969,349 | In force 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 |
|---|---|---|---|
| Aug 1, 2019 Reel 49933, frame 378 | Collagen Matrix, Inc. | The Northwestern Mutual Life Insurance Company | Security Interest |
| Aug 1, 2019 Reel 51594, frame 368 | Collagen Matrix, Inc. | Golub Capital, LLC | First Lien Patent Security Agreement |
| Aug 1, 2024 Reel 68256, frame 450 | The Northwestern Mutual Life Insurance Company | Collagen Matrix, Inc. | Release of Security Interest in Patents Recorded at R/F 049933/0378 |
| Jan 26, 2026 Reel 73583, frame 580 | Golub Capital Markets LLC, as Administrative Agent | Collagen Matrix, Inc. | Release of Security 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.
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Alerts on its grants, lapses and transfers.
What's changing
Jun 2032
Term ends Jun 22, 2032. Maintenance fees still fall due before then
Citations
5
later US patents cite this one
That is above the median of utility patents granted in 2021 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.