Collateral for a security interest recorded Jul 27, 2026 (Golub Capital Markets LLC).
Term ends Oct 2, 2031 · High confidence
20-year base term ends Dec 2, 2030
Held by Avent, Inc.
Filed Sep 13, 2011 as application 13/231,185 · Granted Mar 31, 2015
Base term plus 304 days of patent term adjustment (USPTO delay)
Today
2010
2031
Clock starts
Dec 2, 2010
Dec 2, 2010
Term ends
Oct 2, 2031
Oct 2, 2031
Granted
Mar 31, 2015
Mar 31, 2015
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
304
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.
61
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 304 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 Dec 2, 2010, when application 29/380,242, the earliest non-provisional in its chain, was filed (this one was filed Sep 13, 2011) | Dec 2, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +304 days, USPTO patent term adjustment record | Oct 2, 2031 | 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 | Oct 2, 2031 | High confidence |
This family
| US D654,584 | Term ended Feb 2026 | Feb 2026 |
| US D654,585 | Term ended Feb 2026 | Feb 2026 |
| Application PCT/US2011/045481 | PCT application no patent term | no patent term |
| Application PCT/US2011/051338 | PCT application no patent term | no patent term |
| US 8,992,488 | this patent Oct 2031 | Oct 2031 |
| US D701,304 | In force Mar 2028 | Mar 2028 |
| US D690,007 | In force Sep 2027 | Sep 2027 |
| Application PCT/US2012/053312 | PCT application no patent term | no patent term |
8 of 61 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 |
|---|---|---|---|
| Nov 28, 2011 Reel 27282, frame 289 | Ingram, Aaron N.; Lair, Anthony C.; Costello, Mark Martin; Doherty, Tony | Neomed, Inc. | Assignment of Assignor's Interest |
| Jan 21, 2015 Reel 34774, frame 405 | Davis, Benjamin Martin | Neomed, Inc. | Assignment of Assignor's Interest |
| Sep 9, 2019 Reel 50320, frame 673 | Neomed, Inc. | Citibank, N.a. | Security Interest |
| Feb 24, 2022 Reel 59242, frame 273 | Neomed, Inc. | Avent, Inc. | Assignment of Assignor's Interest |
| Jun 24, 2022 Reel 60441, frame 445 | Avent, Inc. | JPMorgan Chase Bank, N.A., as Administrative Agent | Security Interest |
| Jun 30, 2022 Reel 60557, frame 62 | Citibank, N.a. | Avent, Inc.; Avanos Medical Sales, LLC | Release of Security Interest |
| Jun 30, 2022 reel/frame not recorded | Citibank, N.a. | Avent, Inc. | Release of Security Interest |
| Jun 30, 2022 reel/frame not recorded | Citibank, N.a. | Avanos Medical Sales, LLC | Release of Security Interest |
| Jul 27, 2026 Reel 76066, frame 888 | Avent, Inc. | Golub Capital Markets LLC, as Collateral Agent | Security Interest |
| Jul 28, 2026 Reel 76077, frame 108 | JPMorgan Chase Bank, N.A., as Administrative Agent | Avent, Inc.; Avanos Medical Sales, LLC | 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
Oct 2031
Term ends Oct 2, 2031. No further fees fall due before then
Note
The 304 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
17
later US patents cite this one
That is top 25% of utility patents granted in 2015 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.