Collateral for a security interest recorded Oct 18, 2021 (Goldman Sachs Bank USA).
Term ended Nov 8, 2026 · High confidence
20-year base term ended Nov 8, 2026
Held by Mitchell International, Inc.
Filed May 21, 2012 as application 13/476,937 · Granted Apr 8, 2014
Base term, 20 years from filing
Today
Term ended Nov 8, 2026
2006
2026
Clock starts
Nov 8, 2006
Nov 8, 2006
Term ended
Nov 8, 2026
Nov 8, 2026
Granted
Apr 8, 2014
Apr 8, 2014
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 8,200,707, to Nov 8, 2026. The term already ends on or before that date, so the cap shortened nothing.
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.
2
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 is 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. All three maintenance fees were paid, so no fee lapse ended it. 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 8, 2006, when application 11/557,943, the earliest non-provisional in its chain, was filed (this one was filed May 21, 2012) | Nov 8, 2026 | 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 8,200,707) | resolves to Nov 8, 2026, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Nov 8, 2026 | High confidence |
This family
| US 8,200,707 | In force Apr 2028 | Apr 2028 |
| US 8,694,556 | this patent Nov 2026 | Nov 2026 |
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 6, 2012 Reel 28733, frame 442 | Littooy, Hans; Pugliese, Vincent; Emmerson, Michael | Mitchell International, Inc. | Assignment of Assignor's Interest |
| Oct 25, 2013 Reel 31495, frame 520 | Mitchell International, Inc. | Bank of America, N.A., as Collateral Agent | First Lien Security Interest |
| Oct 25, 2013 Reel 31495, frame 548 | Mitchell International, Inc. | Goldman Sachs Bank USA, as Collateral Agent | Second Lien Security Agreement |
| Dec 1, 2017 Reel 44594, frame 143 | Bank Of America, N.a. | Mitchell International, Inc. | Release of 1ST Lien Security Interest |
| Dec 1, 2017 Reel 44594, frame 431 | Goldman Sachs Bank USA | Mitchell International, Inc. | Release of 2ND Lien Security Interest |
| Dec 8, 2017 Reel 44760, frame 975 | Mitchell International, Inc. | Jefferies Finance LLC, as Collateral Agent | First Lien Security Agreement |
| Dec 11, 2017 Reel 44823, frame 678 | Mitchell International, Inc. | Jefferies Finance LLC, as Collateral Agent | Second Lien Security Agreement |
| Oct 18, 2021 Reel 57841, frame 875 | Jefferies Finance LLC | Mitchell International, Inc. | Release of First Lien Security Interest (REEL 044760/0975) |
| Oct 18, 2021 Reel 57841, frame 921 | Jefferies Finance LLC | Mitchell International, Inc. | Release of Second Lien Security Interest (REEL 044823/0678) |
| Oct 18, 2021 Reel 57842, frame 170 | Mitchell International, Inc. | Goldman Sachs Bank USA | Second Lien Security Agreement |
| Oct 18, 2021 Reel 58014, frame 629 | Mitchell International, Inc. | Goldman Sachs Bank USA | First Lien Security Agreement |
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.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,200,707, ends no earlier than this term, so it caps nothing.
Citations
6
later US patents cite this one
That is below 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.