Lapsed Sep 16, 2026 on the fee record · High confidence
20-year base term ends Apr 27, 2027
Third maintenance fee unpaid; grace period ended.
Held by Red Hat, Inc.
Filed Apr 18, 2013 as application 13/865,827 · Granted Sep 16, 2014
Base term, 20 years from filing
Today
Lapsed Sep 16, 2026
2007
2027
Clock starts
Apr 27, 2007
Apr 27, 2007
No longer in force
Sep 16, 2026
Sep 16, 2026
Granted
Sep 16, 2014
Sep 16, 2014
Term would have run to
Apr 27, 2027
Apr 27, 2027
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.
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.
7
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 Apr 27, 2027: 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 Apr 27, 2007, when application 11/741,535, the earliest non-provisional in its chain, was filed (this one was filed Apr 18, 2013) | Apr 27, 2027 | 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 | 2 of 3 maintenance fees paid | lapsed Sep 16, 2026 | High confidence |
| Computed term end | The steps above, in order | Sep 16, 2026 | High confidence |
This family
| US 7,681,075 | In force Apr 2027 | Apr 2027 |
| Application PCT/US2007/067948 | PCT application no patent term | no patent term |
| US 8,108,722 | In force Apr 2027 | Apr 2027 |
| US 8,433,951 | Lapsed on the fee record Apr 2025 | Apr 2025 |
| US 8,839,034 | this patent Sep 2026 | Sep 2026 |
| US 9,069,729 | In force Apr 2027 | Apr 2027 |
| US 9,424,143 | In force Apr 2027 | Apr 2027 |
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 |
|---|---|---|---|
| Feb 18, 2014 Reel 32232, frame 609 | Havemose, Allan; Ngan, Ching-yuk Paul | Red Hat, 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
Citations
6
later US patents cite this one
That is below the median 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.