Term ends May 26, 2027 · High confidence
20-year base term ended Jan 30, 2024
Filed Jan 30, 2004 as application 10/769,484 · Granted Sep 24, 2013
Base term plus 1212 days of patent term adjustment (USPTO delay)
Today
2004
2027
Clock starts
Jan 30, 2004
Jan 30, 2004
Term ends
May 26, 2027
May 26, 2027
Granted
Sep 24, 2013
Sep 24, 2013
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
1,212
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.
11
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 1212 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Jan 30, 2004, when this application, 10/769,484, was filed | Jan 30, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1212 days, USPTO patent term adjustment record | May 26, 2027 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | May 26, 2027 | High confidence |
This family
| US 8,542,219 | this patent May 2027 | May 2027 |
| US 7,729,515 | In force no later than Mar 2029 | no later than Mar 2029 |
| US 7,826,641 | Term ended Oct 2026 | Oct 2026 |
| US 7,961,909 | Term ended Oct 2026 | Oct 2026 |
| US 8,553,935 | Term ended Oct 2024 | Oct 2024 |
| US 10,191,559 | Term ended Jan 2024 | Jan 2024 |
| Application 16/653,084 | Abandoned not computed | not computed |
| Application 18/198,223 | Pending not computed | not computed |
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 |
|---|---|---|---|
| Jan 30, 2004 Reel 14952, frame 801 | Carl, Stewart R.; Mandella, Michael J.; Zhang, Guanghua G.; Gonzalez-banos, Hector H. | Electronic Scripting Products, 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.
What's changing
May 2027
Term ends May 26, 2027. No further fees fall due before then
Note
The 1212 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
178
later US patents cite this one
That is top 5% 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.