Lapsed Jul 1, 2026 on the fee record · High confidence
20-year base term ends Oct 31, 2028
Third maintenance fee unpaid; grace period ended.
Held by Auterra, Inc.
Filed Jul 27, 2012 as application 13/560,584 · Granted Jul 1, 2014
Base term, 20 years from filing
Today
Lapsed Jul 1, 2026
2008
2028
Clock starts
Oct 31, 2008
Oct 31, 2008
No longer in force
Jul 1, 2026
Jul 1, 2026
Granted
Jul 1, 2014
Jul 1, 2014
Term would have run to
Oct 31, 2028
Oct 31, 2028
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,241,490, to Oct 31, 2028. The term already ends on or before that date, so the cap shortened nothing.
2 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.
11
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 Oct 31, 2028: its 20-year base term, with no 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 Oct 31, 2008, when application PCT/US2008/082095, the earliest non-provisional in its chain, was filed (this one was filed Jul 27, 2012) | Oct 31, 2028 | 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 | Disclaimer resolved from the filed document (refs US 8,241,490) | resolves to Oct 31, 2028, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Jul 1, 2026 | High confidence |
| Computed term end | The steps above, in order | Jul 1, 2026 | High confidence |
This family
| Application PCT/US2008/082095 | PCT application no patent term | no patent term |
| US 8,298,404 | In force Dec 2028 | Dec 2028 |
| US 8,394,261 | In force Oct 2028 | Oct 2028 |
| US 8,241,490 | In force Dec 2028 | Dec 2028 |
| US 8,764,973 | this patent Jul 2026 | Jul 2026 |
| Application PCT/US2012/070243 | PCT application no patent term | no patent term |
| US 8,961,779 | In force Oct 2028 | Oct 2028 |
| Application 14/246,508 | Abandoned not computed | not computed |
8 of 11 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 27, 2012 Reel 28660, frame 735 | Litz, Kyle E.; Vreeland, Jennifer L.; Rankin, Jonathan P.; Rossetti, Mark N.; Jordan, Tracey M.; McCaskill, Trent A. | Auterra, 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.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,241,490, ends no earlier than this term, so it caps nothing.
Citations
10
later US patents cite this one
That is above the median of utility patents granted in 2014 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.