Collateral for a security interest recorded Feb 7, 2024 (Blue Owl Capital Corporation).
Term ends Oct 5, 2029 · High confidence
20-year base term ends Jun 23, 2029
Held by Covaris, LLC
Filed Feb 27, 2015 as application 14/634,042 · Granted Oct 17, 2017
Base term plus 104 days of patent term adjustment (USPTO delay)
Today
2009
2029
Clock starts
Jun 23, 2009
Jun 23, 2009
Term ends
Oct 5, 2029
Oct 5, 2029
Granted
Oct 17, 2017
Oct 17, 2017
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
104
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
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 104 days past its 20-year base term on prosecution delay. 2 of 2 maintenance fees are paid so far. 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 Jun 23, 2009, when application 12/489,693, the earliest non-provisional in its chain, was filed (this one was filed Feb 27, 2015) | Jun 23, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +104 days, USPTO patent term adjustment record | Oct 5, 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 | 2 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Oct 5, 2029 | High confidence |
This family
| US 9,267,867 | In force no later than Mar 2033 | no later than Mar 2033 |
| US 8,999,704 | In force Dec 2030 | Dec 2030 |
| US 9,790,485 | this patent Oct 2029 | Oct 2029 |
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 |
|---|---|---|---|
| Mar 3, 2015 Reel 35077, frame 609 | Laugharn, James A., JR. | Covaris, Inc. | Assignment of Assignor's Interest |
| Jan 19, 2022 Reel 58768, frame 261 | Covaris, Inc. | Covaris, LLC | Change of Name |
| Jan 27, 2022 Reel 58887, frame 48 | Covaris, LLC | Ares Capital Corporation, As Administrative Agent | Security Interest |
| Dec 4, 2023 Reel 65759, frame 122 | Ares Capital Corporation, As Administrative Agent | Covaris, LLC | Release of Security Interest in Patents Previously Recorded at Reel/Frame (058887/0048) |
| Feb 7, 2024 Reel 66511, frame 843 | Covaris, LLC | Blue Owl Capital Corporation | 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 2029
Term ends Oct 5, 2029. No further fees fall due before then
Note
The 104 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
That is below the median 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.