Collateral for a security interest recorded Jul 30, 2009 (Wells Fargo Foothill, LLC).

Lapsed Dec 17, 2017 on the fee record · High confidence

Computed 20-year base term

First maintenance fee unpaid; grace period ended.

Held by Entrust Limited

Filed Dec 30, 2003 as application 10/748,523 · Granted Dec 17, 2013

Base term, 20 years from filing, plus 1267 days of patent term adjustment (USPTO delay)

Today

Lapsed Dec 17, 2017

2003 2027

Clock starts
Dec 30, 2003

No longer in force
Dec 17, 2017

Granted
Dec 17, 2013

Term would have run to
Jun 19, 2027

base term patent term adjustment after the term ends 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

1,267

Days of term adjustment

Read from the USPTO patent term adjustment record, not recalculated here.

None

Terminal disclaimer

No disclaimer on this record.

0 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.

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 Jun 19, 2027: its 20-year base term plus 1267 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 Dec 30, 2003, when this application, 10/748,523, was filed	Dec 30, 2023	High confidence
Continuity chain	Every parent in the chain resolved	no change	High confidence
Patent term adjustment	+1267 days, USPTO patent term adjustment record	Jun 19, 2027	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	0 of 3 maintenance fees paid	lapsed Dec 17, 2017	High confidence
Computed term end	The steps above, in order	Dec 17, 2017	High confidence

This family

US 7,765,580	Term ended Jul 2025	Jul 2025
US 8,612,757	this patent Dec 2017	Dec 2017
US 8,060,915	In force Feb 2027	Feb 2027
US 8,230,486	Term ended Sep 2025	Sep 2025
Application 11/063,518	Abandoned not computed	not computed
US 9,281,945	In force Aug 2029	Aug 2029
US 9,191,215	Term ended Sep 2025	Sep 2025
US 8,966,579	In force Feb 2027	Feb 2027

8 of 14 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 10, 2004 Reel 15454, frame 62	Chiviendacz, Michael; Pillman, Edward	Entrust Limited	Assignment of Assignor's Interest
Jun 5, 2009 Reel 22790, frame 258	Chiviendacz, Michael; Pillman, Edward	Entrust, Inc.	Corrective Assignment to Correct the Assignee Inadvertently Listed Incorrectly on the Original Assignment Previously Recorded on Reel 015454 Frame 0062. Assignor(S) Hereby Confirms the Assignee Should Have Been Listed as Entrust, Inc. Pursuant to the Attached Declaration Signed by the Current Owner of the Patent.
Jul 30, 2009 Reel 23015, frame 782	Hac Holdings, Inc.; Hac Acquisition Corporation; Entrust, Inc.; Entrust Limited; Entrust International LLC; Cygnacom Solutions Inc.; Orion Security Solutions, Inc.; Encommerce, Inc.; Business Signatures Corporation	Wells Fargo Foothill, LLC	Patent Security Agreement
Jan 17, 2014 Reel 32086, frame 638	Golub Capital LLC	Entrust Holdings, Inc.; Entrust, Inc.; Orion Security Solutions, Inc.	Release of Security Interest
Jan 17, 2014 reel/frame not recorded	Golub Capital LLC	Entrust Holdings, Inc.	Release of Security Interest
Jan 17, 2014 reel/frame not recorded	Golub Capital LLC	Entrust, Inc.	Release of Security Interest
Jan 17, 2014 reel/frame not recorded	Golub Capital LLC	Orion Security Solutions, Inc.	Release of Security Interest
Jan 20, 2014 Reel 32089, frame 151	Wells Fargo Capital Finance, LLC	Entrust Holdings, Inc.; Entrust, Inc.; Orion Security Solutions, Inc.	Release of Security Interest
Jan 20, 2014 reel/frame not recorded	Wells Fargo Capital Finance, LLC	Entrust Holdings, Inc.	Release of Security Interest
Jan 20, 2014 reel/frame not recorded	Wells Fargo Capital Finance, LLC	Entrust, Inc.	Release of Security Interest
Jan 20, 2014 reel/frame not recorded	Wells Fargo Capital Finance, LLC	Orion Security Solutions, Inc.	Release of Security Interest

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 1267 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us

Citations

later US patents cite this one

That is top 25% 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.

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