Lapsed Apr 3, 2026 on the fee record · High confidence
20-year base term ended May 23, 2026
Second maintenance fee unpaid; grace period ended.
Held by Crowdstrike, Inc.
Filed Jan 21, 2011 as application 13/011,002 · Granted Apr 3, 2018
Base term, 20 years from filing
Today
Lapsed Apr 3, 2026
2006
2026
Clock starts
May 23, 2006
May 23, 2006
No longer in force
Apr 3, 2026
Apr 3, 2026
Granted
Apr 3, 2018
Apr 3, 2018
Term would have run to
May 23, 2026
May 23, 2026
base term
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
40
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 May 23, 2026: its 20-year base term, with no 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 May 23, 2006, when application 11/439,593, the earliest non-provisional in its chain, was filed (this one was filed Jan 21, 2011) | May 23, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 2 maintenance fees paid | lapsed Apr 3, 2026 | High confidence |
| Computed term end | The steps above, in order | Apr 3, 2026 | High confidence |
This family
| US 8,755,673 | In force Oct 2029 | Oct 2029 |
| US 8,724,969 | Lapsed on the fee record May 2026 | May 2026 |
| US 7,877,689 | In force Jul 2029 | Jul 2029 |
| US 8,145,528 | In force Jul 2029 | Jul 2029 |
| US 8,141,111 | In force Nov 2029 | Nov 2029 |
| US 9,648,281 | In force May 2029 | May 2029 |
| Application PCT/US2007/023185 | PCT application no patent term | no patent term |
| US 9,934,819 | this patent Apr 2026 | Apr 2026 |
8 of 40 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 |
|---|---|---|---|
| Sep 8, 2011 Reel 26876, frame 564 | Gilley, Thomas S. | Micronets, Inc. | Assignment of Assignor's Interest |
| Sep 13, 2011 Reel 26924, frame 359 | Micronets, Inc. | Vignette Corporation | Merger |
| Sep 13, 2011 Reel 26924, frame 250 | Vignette Corporation (4%) | Vignette Software LLC | Intellectual Property Purchase Agreement |
| Sep 13, 2011 Reel 26924, frame 456 | Vignette Corporation (96%) | Vignette LLC | Intellectual Property Purchase Agreement |
| Sep 14, 2011 Reel 26938, frame 597 | Vignette LLC (96%) | Vignette Software LLC | Intellectual Property Purchase Agreement |
| Oct 12, 2011 Reel 27077, frame 423 | Vignette Software, LLC | Vignette Corporation | Merger |
| Oct 13, 2011 Reel 27091, frame 9 | Vignette Corporation | Vignette Operating, LLC | Certificate of Conversion |
| Oct 14, 2011 Reel 27066, frame 773 | Vignette Operating, LLC | Vignette Partnership, LP | Certificate of Conversion |
| Dec 19, 2011 Reel 27483, frame 205 | Vignette Partnership, LP | Open Text S.A. | Assignment of Assignor's Interest |
| Sep 13, 2016 Reel 40019, frame 627 | Open Text S.A. | OT IP Sub, LLC | IP Business Sale Agreement |
| Sep 13, 2016 Reel 40019, frame 500 | Op IP Sub, LLC | IP OT Sub ULC | Certificate of Continuance |
| Sep 13, 2016 Reel 40019, frame 578 | IP OT Sub ULC | Open Text S.A. ULC | Certificate of Amalgamation |
| May 14, 2024 Reel 67400, frame 102 | Open Text S.A. ULC | Open Text Corp. | Assignment of Assignor's Interest |
| Jul 30, 2024 Reel 68123, frame 7 | Open Text Corp. | Crowdstrike, Inc. | Assignment of Assignor's 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.
Citations
63
later US patents cite this one
That is top 5% of utility patents granted in 2018 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.