Collateral for a security interest recorded Oct 23, 2014 (General Electric Capital Corporation).
Term ends Feb 9, 2029 · High confidence
20-year base term ended Oct 22, 2024
Held by Collagen Matrix, Inc.
Filed Oct 22, 2004 as application 10/971,435 · Granted Oct 5, 2010
Base term plus 1571 days of patent term adjustment (USPTO delay)
Today
2004
2029
Clock starts
Oct 22, 2004
Oct 22, 2004
Term ends
Feb 9, 2029
Feb 9, 2029
Granted
Oct 5, 2010
Oct 5, 2010
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
1,571
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.
3
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 1571 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 Oct 22, 2004, when this application, 10/971,435, was filed | Oct 22, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1571 days, USPTO patent term adjustment record | Feb 9, 2029 | 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 9, 2029 | High confidence |
This family
| US 7,807,192 | this patent Feb 2029 | Feb 2029 |
| Application PCT/US2005/038331 | PCT application no patent term | no patent term |
| US 8,821,917 | Term ended Oct 2024 | Oct 2024 |
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 |
|---|---|---|---|
| Jan 26, 2005 Reel 15623, frame 369 | Li, Shu-tung; Yuen, Debbie; Hansen, Peggy | Collagen Matrix, Inc. | Assignment of Assignor's Interest |
| Oct 23, 2014 Reel 34021, frame 474 | Collagen Matrix, Inc. | General Electric Capital Corporation, as Collateral Agent | Security Interest |
| Nov 14, 2015 Reel 37111, frame 808 | General Electric Capital Corporation, as Retiring Agent | Healthcare Financial Solutions, LLC, as Successor Agent | Assignment of Intellectual Property Security Agreement |
| Aug 1, 2019 Reel 49933, frame 378 | Collagen Matrix, Inc. | The Northwestern Mutual Life Insurance Company | Security Interest |
| Aug 1, 2019 Reel 49934, frame 317 | Capital One, National Association | Collagen Matrix, Inc. | Release of Security Interest in Intellectual Property |
| 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Feb 2029
Term ends Feb 9, 2029. No further fees fall due before then
Note
The 1571 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
116
later US patents cite this one
That is top 10% of utility patents granted in 2010 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.