Collateral for a security interest recorded Jan 28, 2016 (The Bank of Nova Scotia).
Lapsed Dec 6, 2019 on the fee record · High confidence
20-year base term ends Jan 9, 2028
Second maintenance fee unpaid; grace period ended.
Held by Decolin Inc.
Filed Jan 9, 2008 as application 11/971,502 · Granted Dec 6, 2011
Base term, 20 years from filing, plus 653 days of patent term adjustment (USPTO delay)
Today
Lapsed Dec 6, 2019
2008
2029
Clock starts
Jan 9, 2008
Jan 9, 2008
No longer in force
Dec 6, 2019
Dec 6, 2019
Granted
Dec 6, 2011
Dec 6, 2011
Term would have run to
Oct 23, 2029
Oct 23, 2029
base term
patent term adjustment
after the term ends
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
653
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
5
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Oct 23, 2029: its 20-year base term plus 653 days of term adjustment for prosecution delay. 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 Jan 9, 2008, when this application, 11/971,502, was filed | Jan 9, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +653 days, USPTO patent term adjustment record | Oct 23, 2029 | 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 | 1 of 3 maintenance fees paid | lapsed Dec 6, 2019 | High confidence |
| Computed term end | The steps above, in order | Dec 6, 2019 | High confidence |
This family
| US 8,069,999 | this patent Dec 2019 | Dec 2019 |
| US 7,984,814 | Lapsed on the fee record Jul 2019 | Jul 2019 |
| US 8,573,416 | In force Oct 2030 | Oct 2030 |
| US 8,157,111 | Lapsed on the fee record Apr 2020 | Apr 2020 |
| US 8,763,822 | In force Oct 2030 | Oct 2030 |
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 4, 2008 Reel 20459, frame 100 | Didehvar, Kaveh | Zenith Products Corp. | Assignment of Assignor's Interest |
| Jan 27, 2016 Reel 37608, frame 933 | Zenith Products Corporation | Decolin Inc. | Assignment of Assignor's Interest |
| Jan 28, 2016 Reel 37632, frame 903 | Decolin Inc. | The Bank of Nova Scotia | Security Interest |
| Jan 3, 2018 Reel 44997, frame 703 | Decolin Inc. | Bnp Paribas, As Collateral Agent | Intellectual Property Security Agreement |
| Jan 10, 2025 Reel 69871, frame 173 | BNP Paribas | Decolin Inc. | Release of Security Interest in Patent Collateral |
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
Note
The 653 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
24
later US patents cite this one
That is top 25% of utility patents granted in 2011 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.