Lapsed Mar 21, 2025 on the fee record · High confidence
20-year base term ends Nov 25, 2029
Second maintenance fee unpaid; grace period ended.
Held by Ffi Ionix IP, Inc.
Filed Sep 19, 2015 as application 14/859,267 · Granted Mar 21, 2017
Base term, 20 years from filing
Today
Lapsed Mar 21, 2025
2009
2029
Clock starts
Nov 25, 2009
Nov 25, 2009
No longer in force
Mar 21, 2025
Mar 21, 2025
Granted
Mar 21, 2017
Mar 21, 2017
Term would have run to
Nov 25, 2029
Nov 25, 2029
base term
after the term ends
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
14
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 25, 2029: its 20-year base term, with no adjustment for prosecution delay. 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 Nov 25, 2009, when application 12/626,416, the earliest non-provisional in its chain, was filed (this one was filed Sep 19, 2015) | Nov 25, 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 | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | lapsed Mar 21, 2025 | High confidence |
| Computed term end | The steps above, in order | Mar 21, 2025 | High confidence |
This family
| US 8,769,972 | In force Dec 2032 | Dec 2032 |
| US 9,464,822 | In force (reinstated) no later than Jul 2030 | no later than Jul 2030 |
| Application 13/899,909 | Abandoned not computed | not computed |
| Application 14/303,335 | Abandoned not computed | not computed |
| US 9,599,364 | this patent Mar 2025 | Mar 2025 |
| US 10,228,161 | In force Mar 2030 | Mar 2030 |
| Application 15/289,220 | Abandoned not computed | not computed |
| US 11,302,932 | In force Apr 2030 | Apr 2030 |
8 of 14 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 |
|---|---|---|---|
| Jul 11, 2024 Reel 67968, frame 191 | Xergy Ltd. | Ffi Ionix IP, 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.
Citations
5
later US patents cite this one
That is above 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.