Also listed on Clearcube Technology, Inc., an earlier holder on the record. The recorded assignments below show how it moved.

Collateral for a security interest recorded Sep 30, 2022 (Wilmington Trust, National Association).

Term ends Aug 13, 2028 · High confidence

Computed 20-year base term

Held by Citrix Systems, Inc.

Filed Dec 21, 2012 as application 13/724,665 · Granted May 26, 2015

Base term plus 180 days of patent term adjustment (USPTO delay)

Today

20 years from filing

Term ends Aug 13, 2028

2008 2028

Clock starts
Feb 15, 2008

Term ends
Aug 13, 2028

Granted
May 26, 2015

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

180

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.

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 180 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. 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 Feb 15, 2008, when application 12/032,462, the earliest non-provisional in its chain, was filed (this one was filed Dec 21, 2012)	Feb 15, 2028	High confidence
Continuity chain	Every parent in the chain resolved	no change	High confidence
Patent term adjustment	+180 days, USPTO patent term adjustment record	Aug 13, 2028	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	In force	High confidence
Computed term end	The steps above, in order	Aug 13, 2028	High confidence

This family

Application 12/032,462	Abandoned not computed	not computed
US 9,043,391	this patent Aug 2028	Aug 2028

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
Dec 21, 2012 Reel 29520, frame 259	Husain, Syed Mohammad Amir; Umair, Muhammad	Clearcube Technology, Inc.	Assignment of Assignor's Interest
Dec 23, 2013 Reel 31837, frame 976	Clearcube Technology, Inc.	Citrix Systems, Inc.	Assignment of Assignor's Interest
Sep 30, 2022 Reel 62079, frame 1	Citrix Systems, Inc.	Wilmington Trust, National Association	Security Interest
Oct 7, 2022 Reel 62112, frame 262	Tibco Software Inc.; Citrix Systems, Inc.	Bank of America, N.A., as Collateral Agent	Patent Security Agreement
Oct 7, 2022 Reel 62113, frame 1	Tibco Software Inc.; Citrix Systems, Inc.	Goldman Sachs Bank USA, as Collateral Agent	Second Lien Patent Security Agreement
Oct 7, 2022 Reel 62113, frame 470	Tibco Software Inc.; Citrix Systems, Inc.	Wilmington Trust, National Association, as Notes Collateral Agent	Patent Security Agreement
Apr 14, 2023 Reel 63339, frame 525	Goldman Sachs Bank USA, as Collateral Agent	Citrix Systems, Inc.; Cloud Software Group, Inc. (F/K/A Tibco Software Inc.)	Release and Reassignment of Security Interest in Patent (Reel/Frame 062113/0001)
Apr 14, 2023 Reel 63340, frame 164	Cloud Software Group, Inc. (F/K/A Tibco Software Inc.); Citrix Systems, Inc.	Wilmington Trust, National Association, as Notes Collateral Agent	Patent Security Agreement
Apr 14, 2023 reel/frame not recorded	Goldman Sachs Bank USA, as Collateral Agent	Citrix Systems, Inc.	Release and Reassignment of Security Interest in Patent (Reel/Frame 062113/0001)
Apr 14, 2023 reel/frame not recorded	Goldman Sachs Bank USA, as Collateral Agent	Cloud Software Group, Inc. (F/K/A Tibco Software Inc.)	Release and Reassignment of Security Interest in Patent (Reel/Frame 062113/0001)
May 24, 2024 Reel 67662, frame 568	Cloud Software Group, Inc. (F/K/A Tibco Software Inc.); Citrix Systems, Inc.	Wilmington Trust, National Association, as Notes Collateral Agent	Security Interest
Aug 15, 2025 Reel 72488, frame 172	Cloud Software Group, Inc.; Citrix Systems, Inc.	Wilmington Trust, National Association, as Notes Collateral Agent	Patent Security Agreement

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

Aug 2028

Term ends Aug 13, 2028. Maintenance fees still fall due before then

Note

The 180 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 10% of utility patents granted in 2015 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.

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