Term ended Mar 29, 2025 · High confidence
20-year base term ended Dec 3, 2024
Held by Kyocera Corporation
Filed Apr 1, 2005 as application 11/097,103 · Granted Sep 29, 2009
Base term plus 116 days of patent term adjustment (USPTO delay)
Today
Term ended Mar 29, 2025
2004
2026
Clock starts
Dec 3, 2004
Dec 3, 2004
Term ended
Mar 29, 2025
Mar 29, 2025
Granted
Sep 29, 2009
Sep 29, 2009
base term
patent term adjustment
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
116
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.
150
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 116 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Dec 3, 2004, when application 11/004,637, the earliest non-provisional in its chain, was filed (this one was filed Apr 1, 2005) | Dec 3, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +116 days, USPTO patent term adjustment record | Mar 29, 2025 | 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 | term ended | High confidence |
| Computed term end | The steps above, in order | Mar 29, 2025 | High confidence |
This family
| US 7,707,039 | In force Jan 2027 | Jan 2027 |
| Application PCT/US2005/011085 | PCT application no patent term | no patent term |
| Application PCT/US2005/011084 | PCT application no patent term | no patent term |
| Application 11/097,961 | Abandoned not computed | not computed |
| Application 11/097,093 | Abandoned not computed | not computed |
| US 7,599,844 | Term ended no later than Dec 2024 | no later than Dec 2024 |
| US 8,019,648 | Term ended Apr 2026 | Apr 2026 |
| US 7,596,269 | this patent Mar 2025 | Mar 2025 |
8 of 150 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 |
|---|---|---|---|
| Nov 9, 2005 Reel 17248, frame 167 | King, Martin T.; Grover, Dale L.; Kushler, Clifford A.; Stafford-fraser, James Q. | Exbiblio B.V. | Assignment of Assignor's Interest |
| Feb 9, 2011 Reel 25779, frame 251 | Exbiblio B.V. | Google Inc. | Assignment of Assignor's Interest |
| Oct 2, 2017 Reel 44101, frame 610 | Google Inc. | Google LLC | Change of Name |
| Aug 3, 2021 Reel 57651, frame 445 | Google LLC | Kyocera Corporation | Nunc Pro Tunc Assignment |
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
Note
The 116 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
387
later US patents cite this one
That is top 1% of utility patents granted in 2009 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.