Term ends Dec 26, 2031 · High confidence
20-year base term ends May 14, 2030
Held by WestRock Shared Services, LLC
Filed May 14, 2010 as application 12/780,544 · Granted Nov 12, 2013
Base term plus 591 days of patent term adjustment (USPTO delay)
Today
2010
2031
Clock starts
May 14, 2010
May 14, 2010
Term ends
Dec 26, 2031
Dec 26, 2031
Granted
Nov 12, 2013
Nov 12, 2013
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
591
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
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 591 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 this application, 12/780,544, was filed | May 14, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +591 days, USPTO patent term adjustment record | Dec 26, 2031 | 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 | 3 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 | this patent 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 | In force 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 |
|---|---|---|---|
| Jun 28, 2010 Reel 24602, frame 807 | Aganovic, Amer; Graham, Thomas Dean; Smith, Kenneth Charles; Conley, John Hershcel; Teany, Robert Bradley; Gulik, Gregory Scott; Spurlock, Paul Andrew | Smurfit-Stone Container Corporation | Assignment of Assignor's Interest |
| May 12, 2011 Reel 26271, frame 452 | 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. | Corrective Assignment to Correct the Name of the Assignee Previously Recorded on Reel 024602 Frame 0807. Assignor(S) Hereby Confirms the Assignment of Assignor's Interest. |
| Sep 10, 2013 Reel 31170, frame 405 | Smurfit-Stone Container Enterprises, Inc. | Smurfit-Stone Container Corporation | Merger |
| Sep 17, 2013 Reel 31218, frame 937 | Smurfit-Stone Container Corporation | Rocktenn CP, LLC | Merger |
| Sep 20, 2013 Reel 31247, frame 991 | 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.
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Alerts on its grants, lapses and transfers.
What's changing
Dec 2031
Term ends Dec 26, 2031. No further fees fall due before then
Note
The 591 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
56
later US patents cite this one
That is top 10% of utility patents granted in 2013 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.