Term ends Mar 25, 2031 · Medium confidence
20-year base term ends Apr 15, 2030
Why Medium: A parent in the chain could not be resolved.
Held by WestRock Shared Services, LLC
Filed Jun 30, 2016 as application 15/197,917 · Granted Apr 30, 2019
Base term plus 344 days of patent term adjustment (USPTO delay)
Today
2010
2031
Clock starts
Apr 15, 2010
Apr 15, 2010
Term ends
Mar 25, 2031
Mar 25, 2031
Granted
Apr 30, 2019
Apr 30, 2019
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
344
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
10
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 344 days past its 20-year base term on prosecution delay. 2 of 2 maintenance fees are paid so far. Confidence: Medium. 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 Apr 15, 2010, when application 12/760,741, the earliest non-provisional in its chain, was filed (this one was filed Jun 30, 2016); a parent in its chain could not be resolved (the next row) | Apr 15, 2030 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +344 days, USPTO patent term adjustment record | Mar 25, 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 | 2 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Mar 25, 2031 | Medium confidence |
This family
| US 8,342,335 | In force Dec 2030 | Dec 2030 |
| US 8,376,141 | In force Jun 2030 | Jun 2030 |
| US 8,789,703 | In force Apr 2030 | Apr 2030 |
| US 9,382,041 | In force May 2030 | May 2030 |
| US 10,273,043 | this patent Mar 2031 | Mar 2031 |
| US 10,745,170 | In force Apr 2030 | Apr 2030 |
| US 10,773,850 | In force Apr 2030 | Apr 2030 |
| Application 16/984,893 | Abandoned not computed | not computed |
8 of 10 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 |
|---|---|---|---|
| Sep 14, 2023 Reel 64899, frame 564 | Couture, David G.; Roberts, Harry H. | Rock-Tenn Shared Services, LLC | Assignment of Assignor's Interest |
| Sep 14, 2023 Reel 64899, frame 875 | 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
Mar 2031
Term ends Mar 25, 2031. No further fees fall due before then
Note
The 344 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
16
later US patents cite this one
That is top 25% of utility patents granted in 2019 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.