Term ends Oct 22, 2028 · High confidence
20-year base term ends Oct 22, 2028
Held by WestRock Shared Services, LLC
Filed Oct 22, 2008 as application 12/256,051 · Granted Sep 2, 2014
Base term, 20 years from filing
Today
2008
2028
Clock starts
Oct 22, 2008
Oct 22, 2008
Term ends
Oct 22, 2028
Oct 22, 2028
Granted
Sep 2, 2014
Sep 2, 2014
base term
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
None
Term adjustment
No prosecution delay on this record.
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 is its 20-year base term, with no adjustment for 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 Oct 22, 2008, when this application, 12/256,051, was filed | Oct 22, 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 | 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 | Oct 22, 2028 | High confidence |
This family
| US 8,820,618 | this patent 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 | 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 |
|---|---|---|---|
| May 19, 2009 Reel 22705, frame 334 | Smith, Kenneth Charles | Smurfit-Stone Container Enterprises, Inc. | Assignment of Assignor's Interest |
| Jul 7, 2010 Reel 24640, frame 501 | Smurfit-Stone Container Corporation (F/K/A Smurfit Stone Container Enterprises, Inc.) | JPMorgan Chase Bank, N.A., as Administrative Agent | Security Agreement |
| Jul 12, 2010 Reel 24662, frame 368 | Smurfit-Stone Container Corporation (Formerly Known as Smurfit-Stone Container Enterprises, Inc.) | Deutsche Bank AG New York Branch, as Security Agent | Security Agreement |
| Jun 9, 2011 Reel 26414, frame 273 | Deutsche Bank AG New York Branch, as Security Agent | Smurfit Stone Container Corporation | Release of Security Interest |
| Jun 9, 2011 Reel 26415, frame 130 | JPMorgan Chase Bank, N.A., as Administrative Agent | Smurfit Stone Container Corporation | Release of Security 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Oct 2028
Term ends Oct 22, 2028. No further fees fall due before then
Citations
25
later US patents cite this one
That is top 25% 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.