Term ends Oct 20, 2031 · High confidence
20-year base term ends Oct 20, 2031
Held by Axora Medical, Inc.
Filed Oct 20, 2011 as application 13/277,913 · Granted Aug 20, 2013
Base term, 20 years from filing
Today
2011
2031
Clock starts
Oct 20, 2011
Oct 20, 2011
Term ends
Oct 20, 2031
Oct 20, 2031
Granted
Aug 20, 2013
Aug 20, 2013
base term
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
None
Term adjustment
No prosecution delay on this record.
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.
7
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. 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 20, 2011, when this application, 13/277,913, was filed | Oct 20, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Oct 20, 2031 | High confidence |
This family
| US 8,512,326 | this patent Oct 2031 | Oct 2031 |
| US 8,728,066 | In force Oct 2031 | Oct 2031 |
| US 9,549,754 | In force Jul 2032 | Jul 2032 |
| US 10,667,857 | In force Jul 2032 | Jul 2032 |
| US 11,324,546 | In force Oct 2031 | Oct 2031 |
| US 12,727,935 | In force Oct 2031 | Oct 2031 |
| Application 19/739,141 | 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 |
|---|---|---|---|
| Nov 10, 2011 Reel 27210, frame 903 | Shadduck, John H.; Germain, Aaron; Klein, Kyle; Walker, Michael D.; Truckai, Csaba | Arqos Surgical, Inc. | Assignment of Assignor's Interest |
| Jun 16, 2014 Reel 33182, frame 220 | Arqos Surgical, Inc. | Iogyn, Inc. | Assignment of Assignor's Interest |
| Apr 20, 2017 Reel 42294, frame 1 | Iogyn, Inc. | Boston Scientific Scimed, Inc. | Assignment of Assignor's Interest |
| Jul 21, 2020 Reel 53265, frame 675 | Boston Scientific Scimed, Inc. | Minerva Surgical, Inc. | Assignment of Assignor's Interest |
| Oct 8, 2021 Reel 57758, frame 137 | Minerva Surgical, Inc. | Canadian Imperial Bank of Commerce | Security Interest |
| Jan 30, 2026 Reel 74537, frame 617 | Axora Medical, Inc. | Symbiotic Capital Agency LLC, as Administrative Agent and Collateral Agent | Security Interest |
| Feb 5, 2026 Reel 74721, frame 585 | Canadian Imperial Bank of Commerce | Minerva Surgical, Inc. | Release of Security Interest |
| May 12, 2026 Reel 75561, frame 141 | Minerva Surgical, Inc. | Axora Medical, Inc. | Assignment of Assignor's 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 20, 2031. No further fees fall due before then
Citations
237
later US patents cite this one
That is top 5% 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.