Lapsed Dec 5, 2025 on the fee record · Medium confidence
20-year base term ends Nov 10, 2029
Why Medium: A terminal disclaimer is on file (approved) with no resolved reference, so the term may end earlier.
Second maintenance fee unpaid; grace period ended.
Held by Invuity, Inc.
Filed Oct 18, 2013 as application 14/057,933 · Granted Dec 5, 2017
Base term, 20 years from filing
Today
Lapsed Dec 5, 2025
2009
2029
Clock starts
Nov 10, 2009
Nov 10, 2009
No longer in force
Dec 5, 2025
Dec 5, 2025
Granted
Dec 5, 2017
Dec 5, 2017
Term would have run to
Nov 10, 2029
Nov 10, 2029
base term
after the term ends
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.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
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.
17
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Nov 10, 2029: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 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 Nov 10, 2009, when application 12/616,095, the earliest non-provisional in its chain, was filed (this one was filed Oct 18, 2013) | Nov 10, 2029 | 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 | Disclaimer on file (approved), reference document not resolved | no cap applied, and none guessed | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 2 maintenance fees paid | lapsed Dec 5, 2025 | High confidence |
| Computed term end | The steps above, in order | Dec 5, 2025 | Medium confidence |
This family
| US 8,292,805 | In force Apr 2030 | Apr 2030 |
| Application PCT/US2010/056074 | PCT application no patent term | no patent term |
| US 8,568,304 | In force Dec 2031 | Dec 2031 |
| US 9,636,182 | In force no later than Nov 2029 | no later than Nov 2029 |
| US 8,795,162 | In force Dec 2029 | Dec 2029 |
| US 8,870,761 | In force no later than Nov 2029 | no later than Nov 2029 |
| US 8,936,551 | In force Dec 2031 | Dec 2031 |
| US 9,833,295 | this patent Dec 2025 | Dec 2025 |
8 of 17 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 7, 2013 Reel 31562, frame 17 | Vayser, Alex; Erismann, Fernando; Trauner, Kenneth B.; Gasson, Jonathan; Richardson, Derrick | Invuity, Inc. | Assignment of Assignor's Interest |
| Feb 28, 2014 Reel 32372, frame 240 | Invuity, Inc. | Healthcare Royalty Partners II, L.P. | Security Agreement |
| Jun 3, 2015 Reel 35819, frame 943 | Invuity, Inc. | Invuity, Inc. | Merger |
| Mar 17, 2017 Reel 42035, frame 801 | Healthcare Royalty Partners II, L.P. | Invuity, Inc. | Release of Security Interest |
| Mar 21, 2017 Reel 42052, frame 834 | Invuity, Inc. | Midcap Financial Trust, As Agent | Security Interest (Revolving Loan) |
| Mar 21, 2017 Reel 42053, frame 284 | Invuity, Inc. | Midcap Financial Trust, As Agent | Security Interest (TERM Loan) |
| Oct 23, 2018 Reel 47719, frame 34 | Midcap Financial Trust, As Agent | Invuity, Inc. | 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
Note
A terminal disclaimer is on file and its reference is not resolved. No cap is applied and none is guessed
Open question
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Dec 5, 2025. We will not guess the cap.
Citations
45
later US patents cite this one
That is top 10% of utility patents granted in 2017 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.