Lapsed Aug 2, 2019 on the fee record · High confidence
20-year base term ended Aug 10, 2026
Second maintenance fee unpaid; grace period ended.
Held by Syntheon, LLC
Filed Aug 10, 2006 as application 11/502,322 · Granted Aug 2, 2011
Base term, 20 years from filing, plus 870 days of patent term adjustment (USPTO delay)
Today
Lapsed Aug 2, 2019
2006
2028
Clock starts
Aug 10, 2006
Aug 10, 2006
No longer in force
Aug 2, 2019
Aug 2, 2019
Granted
Aug 2, 2011
Aug 2, 2011
Term would have run to
Dec 27, 2028
Dec 27, 2028
base term
patent term adjustment
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
870
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,556,804, to Dec 27, 2028. The term already ends on or before that date, so the cap shortened nothing.
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 Dec 27, 2028: its 20-year base term plus 870 days of term adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 10, 2006, when this application, 11/502,322, was filed | Aug 10, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +870 days, USPTO patent term adjustment record | Dec 27, 2028 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,556,804) | resolves to Dec 27, 2028, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | lapsed Aug 2, 2019 | High confidence |
| Computed term end | The steps above, in order | Aug 2, 2019 | High confidence |
This family
| US 8,092,374 | Lapsed on the fee record Jan 2020 | Jan 2020 |
| US 7,988,621 | this patent Aug 2019 | Aug 2019 |
| US 8,556,804 | Lapsed on the fee record Oct 2021 | Oct 2021 |
| US 9,814,372 | Lapsed on the fee record Nov 2021 | Nov 2021 |
| Application PCT/US2008/068348 | PCT application no patent term | no patent term |
| US 7,914,445 | Lapsed on the fee record Mar 2019 | Mar 2019 |
| US 8,298,137 | Lapsed on the fee record Oct 2020 | Oct 2020 |
| US 8,292,802 | Lapsed on the fee record Oct 2020 | Oct 2020 |
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 |
|---|---|---|---|
| Aug 31, 2009 Reel 23170, frame 410 | Smith, Kevin; Deville, Derek; Kline, Korey; Palmer, Matthew | Syntheon, 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
Note
The 870 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,556,804, ends no earlier than this term, so it caps nothing.
Citations
34
later US patents cite this one
That is top 25% 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.