Term ends Sep 2, 2028 · High confidence
20-year base term ends May 17, 2027
Held by Creative Technology Ltd.
Filed Mar 13, 2008 as application 12/048,156 · Granted Jul 21, 2015
Base term plus 1405 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2007
2028
Clock starts
May 17, 2007
May 17, 2007
Term ends
Sep 2, 2028
Sep 2, 2028
Granted
Jul 21, 2015
Jul 21, 2015
base term
patent term adjustment
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
1,405
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 8,204,237.
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.
13
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 1405 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 2 of 3 maintenance fees are paid so far. 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 17, 2007, when application 11/750,300, the earliest non-provisional in its chain, was filed (this one was filed Mar 13, 2008) | May 17, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1405 days, USPTO patent term adjustment record | Mar 22, 2031 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,204,237) | capped to Sep 2, 2028 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 2, 2028 | High confidence |
This family
| US 8,379,868 | In force Jul 2030 | Jul 2030 |
| US 8,619,998 | In force Jul 2031 | Jul 2031 |
| US 8,345,899 | In force Mar 2030 | Mar 2030 |
| US 9,088,855 | this patent Sep 2028 | Sep 2028 |
| US 9,014,377 | In force Oct 2029 | Oct 2029 |
| US 8,374,365 | In force May 2030 | May 2030 |
| Application PCT/US2008/078632 | PCT application no patent term | no patent term |
| US 8,712,061 | In force Mar 2030 | Mar 2030 |
8 of 13 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 |
|---|---|---|---|
| Feb 28, 2017 Reel 41400, frame 557 | Goodwin, Michael M. | Creative Technology Ltd. | 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.
What's changing
Sep 2028
Term ends Sep 2, 2028. Maintenance fees still fall due before then
Note
The 1405 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 8,204,237.
Citations
51
later US patents cite this one
That is top 10% of utility patents granted in 2015 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.