Term ends Dec 10, 2026 · High confidence
20-year base term ended Aug 29, 2026
Held by Misonix, LLC
Filed Aug 29, 2006 as application 11/511,853 · Granted Sep 27, 2011
Base term plus 103 days of patent term adjustment (USPTO delay)
Today
2006
2026
Clock starts
Aug 29, 2006
Aug 29, 2006
Term ends
Dec 10, 2026
Dec 10, 2026
Granted
Sep 27, 2011
Sep 27, 2011
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
103
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.
This patent's term runs 103 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 Aug 29, 2006, when this application, 11/511,853, was filed | Aug 29, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +103 days, USPTO patent term adjustment record | Dec 10, 2026 | 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 | Dec 10, 2026 | High confidence |
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 |
|---|---|---|---|
| Apr 2, 2009 Reel 22487, frame 288 | Novak, Theodore A.d.; Schafer, Mark; Manna, Ronald R. | Misonix, Incorporated | Assignment of Assignor's Interest |
| Dec 30, 2019 Reel 51447, frame 334 | Misonix Opco, Inc. | Silicon Valley Bank | Intellectual Property Security Agreement |
| Mar 16, 2020 Reel 52167, frame 275 | Misonix Opco, Inc. | SWK Funding LLC | Intellectual Property Security Agreement |
| Nov 11, 2021 Reel 58809, frame 950 | Misonix Opco, LLC | Wells Fargo Bank, National Association, as Collateral Agent | Security Interest |
| May 31, 2022 Reel 60220, frame 773 | Silicon Valley Bank | Misonix Opco, Inc. | Release of Security Interest |
| May 31, 2022 Reel 60220, frame 792 | SWK Funding, LLC, as Collateral Agent | Misonix Opco, Inc. | Release of Security Interest |
| Sep 14, 2022 Reel 61433, frame 736 | Oyster Opco Merger Sub, LLC; Misonix Opco, Inc. | Misonix Opco, LLC | Merger and Change of Name |
| Nov 29, 2022 Reel 61906, frame 564 | Misonix Incorporated; Oyster Merger Sub II, LLC | Misonix, LLC | Merger and Change of Name |
| Aug 1, 2025 Reel 72298, frame 866 | Misonix, LLC | Wells Fargo Bank, National Association, as Administrative Agent | Security Interest |
| Aug 4, 2025 Reel 72338, frame 395 | Wells Fargo Bank, National Association, as Collateral Agent | Misonix Opco, 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.
What's changing
Dec 2026
Term ends Dec 10, 2026. No further fees fall due before then
Note
The 103 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
106
later US patents cite this one
That is top 10% of utility patents granted in 2011 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.