Term ends Aug 28, 2028 · High confidence
20-year base term ended Jan 21, 2025
Filed Jan 21, 2005 as application 11/040,507 · Granted Nov 16, 2010
Base term plus 1315 days of patent term adjustment (USPTO delay)
Today
2005
2028
Clock starts
Jan 21, 2005
Jan 21, 2005
Term ends
Aug 28, 2028
Aug 28, 2028
Granted
Nov 16, 2010
Nov 16, 2010
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
1,315
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.
2
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 1315 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 21, 2005, when this application, 11/040,507, was filed | Jan 21, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1315 days, USPTO patent term adjustment record | Aug 28, 2028 | 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 | Aug 28, 2028 | High confidence |
This family
| US 7,835,941 | this patent Aug 2028 | Aug 2028 |
| US 8,315,903 | Term ended no later than Jan 2025 | no later than Jan 2025 |
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 21, 2005 Reel 16210, frame 849 | Zucker, Nehemia | J2 Global Communications | Assignment of Assignor's Interest |
| May 16, 2014 Reel 32911, frame 182 | J2 Global Communications, Inc. | J2 Global, Inc. | Change of Name |
| May 21, 2014 Reel 32975, frame 464 | J2 Global, Inc. | Advanced Messaging Technologies, 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.
What's changing
Aug 2028
Term ends Aug 28, 2028. No further fees fall due before then
Note
The 1315 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
60
later US patents cite this one
That is top 25% of utility patents granted in 2010 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.