Term ends Dec 26, 2031 · High confidence
20-year base term ends May 14, 2030
Held by WestRock Shared Services, LLC
Filed Oct 24, 2013 as application 14/062,711 · Granted Sep 19, 2017
Base term plus 732 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2010
2031
Clock starts
May 14, 2010
May 14, 2010
Term ends
Dec 26, 2031
Dec 26, 2031
Granted
Sep 19, 2017
Sep 19, 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
732
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 8,579,778.
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.
21
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 732 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 2 of 3 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 May 14, 2010, when application 12/780,544, the earliest non-provisional in its chain, was filed (this one was filed Oct 24, 2013) | May 14, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +732 days, USPTO patent term adjustment record | May 15, 2032 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,579,778) | capped to Dec 26, 2031 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 26, 2031 | High confidence |
This family
| US 8,820,618 | In force Oct 2028 | Oct 2028 |
| US 8,105,223 | In force Jan 2030 | Jan 2030 |
| US 8,579,778 | In force Dec 2031 | Dec 2031 |
| US 8,827,142 | In force no later than Oct 2028 | no later than Oct 2028 |
| US 8,887,982 | In force no later than Jan 2030 | no later than Jan 2030 |
| US 9,815,586 | In force May 2032 | May 2032 |
| US 9,764,526 | this patent Dec 2031 | Dec 2031 |
| US 9,764,524 | In force Jun 2030 | Jun 2030 |
8 of 21 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 |
|---|---|---|---|
| Feb 23, 2015 Reel 35005, frame 121 | Aganovic, Amer; Graham, Thomas Dean; Smith, Kenneth Charles; Conley, John Hershcel; Teany, Robert Bradley; Gulik, Gregory Scott; Spurlock, Paul Andrew | Smurfit-Stone Container Enterprises, Inc. | Assignment of Assignor's Interest |
| Feb 23, 2015 Reel 35005, frame 243 | Smurfit-Stone Container Enterprises, Inc. | Smurfit-Stone Container Corporation | Merger |
| Feb 23, 2015 Reel 35005, frame 309 | Smurfit-Stone Container Corporation | Rock-Tenn CP, LLC | Merger |
| Feb 23, 2015 Reel 35005, frame 468 | Rocktenn CP, LLC | Rock-Tenn Shared Services, LLC | Assignment of Assignor's Interest |
| Nov 6, 2015 Reel 37057, frame 404 | Rock-Tenn Shared Services, LLC | WestRock Shared Services, LLC | Change of Name |
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
Dec 2031
Term ends Dec 26, 2031. Maintenance fees still fall due before then
Note
The 732 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 8,579,778.
Citations
10
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.