Term ended no later than Sep 10, 2025 · Medium confidence
20-year base term ended Jul 31, 2022
Filed Jul 31, 2002 as application 10/211,075 · Granted Sep 2, 2008
Base term plus 1137 days of patent term adjustment (USPTO delay)
Today
Ended no later than Sep 10, 2025
2002
2026
Clock starts
Jul 31, 2002
Jul 31, 2002
Ended no later than
Sep 10, 2025
Sep 10, 2025
Granted
Sep 2, 2008
Sep 2, 2008
base term
patent term adjustment
after the term ends
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
1,137
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
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.
155
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 1137 days past its 20-year base term on prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. All three maintenance fees were paid, so no fee lapse ended it. Confidence: Medium. 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 Jul 31, 2002, when this application, 10/211,075, was filed | Jul 31, 2022 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1137 days, USPTO patent term adjustment record | Sep 10, 2025 | High confidence |
| Terminal disclaimer cap | Disclaimer on file (approved), reference document not resolved | no cap applied, and none guessed | Medium 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 | no later than Sep 10, 2025 | Medium confidence |
This family
| US 7,102,615 | Term ended Aug 2023 | Aug 2023 |
| US 7,421,471 | this patent no later than Sep 2025 | no later than Sep 2025 |
| Application PCT/US2003/022130 | PCT application no patent term | no patent term |
| US 7,613,310 | Term ended Aug 2025 | Aug 2025 |
| US 7,883,415 | Term ended Nov 2025 | Nov 2025 |
| US 7,623,115 | Term ended Sep 2024 | Sep 2024 |
| US 7,970,147 | In force May 2028 | May 2028 |
| Application PCT/US2004/025660 | PCT application no patent term | no patent term |
8 of 155 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 23, 2002 Reel 13303, frame 834 | Datta, Glen Van | Sony Computer Entertainment America Inc. | Assignment of Assignor's Interest |
| Nov 12, 2010 Reel 25351, frame 655 | Sony Computer Entertainment America Inc. | Sony Computer Entertainment America LLC | Change of Name |
| May 4, 2016 Reel 38611, frame 887 | Sony Computer Entertainment America LLC | Sony Interactive Entertainment America LLC | Change of Name |
| Mar 30, 2020 Reel 53323, frame 567 | Sony Interactive Entertainment America LLC | Sony Interactive Entertainment LLC | Merger |
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
A terminal disclaimer is on file and its reference is not resolved. No cap is applied and none is guessed
Note
The 1137 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Open question
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Sep 10, 2025. We will not guess the cap.
Citations
16
later US patents cite this one
That is above the median of utility patents granted in 2008 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
This computed term ends no later than the date shown; an unresolved terminal disclaimer may end it earlier. Related patents and pending applications may cover overlapping subject matter.