Also listed on Ringcube Technologies, 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 Apr 26, 2031 · High confidence
20-year base term ended Sep 22, 2026
Held by Citrix Systems, Inc.
Filed Sep 22, 2006 as application 11/525,888 · Granted Aug 6, 2013
Base term plus 1677 days of patent term adjustment (USPTO delay)
Today
2006
2031
Clock starts
Sep 22, 2006
Sep 22, 2006
Term ends
Apr 26, 2031
Apr 26, 2031
Granted
Aug 6, 2013
Aug 6, 2013
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
1,677
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
This patent's term runs 1677 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Sep 22, 2006, when this application, 11/525,888, was filed | Sep 22, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1677 days, USPTO patent term adjustment record | Apr 26, 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 26, 2031 | 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 |
|---|---|---|---|
| Apr 11, 2008 Reel 20814, frame 130 | Ringcube Technologies, Inc. | Venture Lending & Leasing IV, Inc.; Venture Lending & Leasing V, Inc. | Security Agreement |
| Apr 11, 2008 reel/frame not recorded | Ringcube Technologies, Inc. | Venture Lending & Leasing IV, Inc. | Security Agreement |
| Apr 11, 2008 reel/frame not recorded | Ringcube Technologies, Inc. | Venture Lending & Leasing V, Inc. | Security Agreement |
| Aug 17, 2010 Reel 24849, frame 704 | Larkin, Michael K.; Kamity, Kiran; Appajodu, Shanmuga | Ringcube Technologies, Inc. | Assignment of Assignor's Interest |
| Jan 5, 2012 Reel 27486, frame 299 | Ringcube Technologies, Inc. | Citrix Systems, Inc. | Merger |
| Sep 28, 2022 Reel 61570, frame 484 | Venture Lending & Leasing IV, Inc.; Venture Lending & Leasing V, Inc. | Ringcube Technologies, Inc. | Ucc Termination |
| 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
Apr 2031
Term ends Apr 26, 2031. No further fees fall due before then
Note
The 1677 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
23
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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.