Term ends Oct 12, 2028 · High confidence
20-year base term ends Mar 14, 2028
Held by Zonit Structured Solutions, LLC
Filed May 7, 2013 as application 13/889,181 · Granted Apr 11, 2017
Base term plus 212 days of patent term adjustment (USPTO delay)
Today
2008
2028
Clock starts
Mar 14, 2008
Mar 14, 2008
Term ends
Oct 12, 2028
Oct 12, 2028
Granted
Apr 11, 2017
Apr 11, 2017
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
212
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.
6
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 212 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 Mar 14, 2008, when application PCT/US2008/057131, the earliest non-provisional in its chain, was filed (this one was filed May 7, 2013) | Mar 14, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +212 days, USPTO patent term adjustment record | Oct 12, 2028 | 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 12, 2028 | High confidence |
This family
| Application PCT/US2008/057131 | PCT application no patent term | no patent term |
| US 8,453,471 | In force Oct 2029 | Oct 2029 |
| US 9,618,270 | this patent Oct 2028 | Oct 2028 |
| US 9,918,413 | In force Mar 2028 | Mar 2028 |
| US 10,655,771 | In force Mar 2028 | Mar 2028 |
| Application 15/931,872 | Abandoned 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 |
|---|---|---|---|
| Jan 17, 2017 Reel 40992, frame 869 | Chapel, Steve; Pachoud, William | Zonit Structured Solutions, LLC | 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 2028
Term ends Oct 12, 2028. No further fees fall due before then
Note
The 212 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
6
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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.