Lapsed Jun 4, 2025 on the fee record · High confidence
20-year base term ended Aug 26, 2025
Third maintenance fee unpaid; grace period ended.
Held by Red Hat, Inc.
Filed Sep 12, 2011 as application 13/229,864 · Granted Jun 4, 2013
Base term, 20 years from filing
Today
Lapsed Jun 4, 2025
2005
2026
Clock starts
Aug 26, 2005
Aug 26, 2005
No longer in force
Jun 4, 2025
Jun 4, 2025
Granted
Jun 4, 2013
Jun 4, 2013
Term would have run to
Aug 26, 2025
Aug 26, 2025
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,037,367, to Aug 26, 2025. The term already ends on or before that date, so the cap shortened nothing.
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.
11
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 Aug 26, 2025: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Aug 26, 2005, when application 11/213,678, the earliest non-provisional in its chain, was filed (this one was filed Sep 12, 2011) | Aug 26, 2025 | 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 | Disclaimer resolved from the filed document (refs US 8,037,367) | resolves to Aug 26, 2025, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Jun 4, 2025 | High confidence |
| Computed term end | The steps above, in order | Jun 4, 2025 | High confidence |
This family
| US 8,122,280 | In force Sep 2027 | Sep 2027 |
| US 7,783,914 | Term ended Aug 2025 | Aug 2025 |
| US 8,037,367 | Term ended Sep 2025 | Sep 2025 |
| US 8,176,364 | Lapsed on the fee record May 2024 | May 2024 |
| US 8,402,305 | Lapsed on the fee record Mar 2025 | Mar 2025 |
| US 8,458,534 | this patent Jun 2025 | Jun 2025 |
| US 9,311,200 | Term ended Aug 2025 | Aug 2025 |
| US 8,726,078 | Term ended Aug 2025 | Aug 2025 |
8 of 11 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 |
|---|---|---|---|
| May 30, 2012 Reel 28290, frame 965 | Havemose, Allan | Open Invention Network, LLC | Assignment of Assignor's Interest |
| Sep 20, 2012 Reel 28994, frame 382 | Open Invention Network, LLC | 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.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,037,367, ends no earlier than this term, so it caps nothing.
Citations
4
later US patents cite this one
That is below the median 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.