Collateral for a security interest recorded Jan 28, 2016 (The Bank of Nova Scotia).

Lapsed Sep 9, 2026 on the fee record · High confidence

Computed 20-year base term

Third maintenance fee unpaid; grace period ended.

Held by Decolin Inc.

Filed Oct 7, 2011 as application 13/268,712 · Granted Sep 9, 2014

Base term, 20 years from filing, plus 246 days of patent term adjustment (USPTO delay)

Today

Lapsed Sep 9, 2026

2011 2032

Clock starts
Oct 7, 2011

No longer in force
Sep 9, 2026

Granted
Sep 9, 2014

Term would have run to
Jun 9, 2032

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

246

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 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.

Its term would have run to Jun 9, 2032: its 20-year base term plus 246 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 Oct 7, 2011, when this application, 13/268,712, was filed	Oct 7, 2031	High confidence
Continuity chain	Every parent in the chain resolved	no change	High confidence
Patent term adjustment	+246 days, USPTO patent term adjustment record	Jun 9, 2032	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 3 maintenance fees paid	lapsed Sep 9, 2026	High confidence
Computed term end	The steps above, in order	Sep 9, 2026	High confidence

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
Oct 11, 2011 Reel 27041, frame 101	Didehvar, Kaveh	Zenith Products Corporation	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 69868, frame 612	Decolin Inc.	Royal Bank of Canada	Security Interest
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 246 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us

Citations

138

later US patents cite this one

That is top 5% 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.

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