Term ends Apr 19, 2032 · High confidence
20-year base term ends Apr 3, 2027
Filed May 31, 2007 as application 11/756,198 · Granted Dec 19, 2017
Base term plus 1843 days of patent term adjustment (USPTO delay)
Today
2007
2032
Clock starts
Apr 3, 2007
Apr 3, 2007
Term ends
Apr 19, 2032
Apr 19, 2032
Granted
Dec 19, 2017
Dec 19, 2017
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
1,843
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
18
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 1843 days past its 20-year base term on prosecution delay. 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 Apr 3, 2007, when application 11/695,983, the earliest non-provisional in its chain, was filed (this one was filed May 31, 2007) | Apr 3, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1843 days, USPTO patent term adjustment record | Apr 19, 2032 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 19, 2032 | High confidence |
This family
| US 9,626,684 | In force Aug 2029 | Aug 2029 |
| Application 11/744,024 | Abandoned not computed | not computed |
| US 9,031,857 | Lapsed on the fee record May 2023 | May 2023 |
| US 9,846,883 | this patent Apr 2032 | Apr 2032 |
| Application 11/764,524 | Abandoned not computed | not computed |
| US 8,639,563 | In force Apr 2032 | Apr 2032 |
| US 8,812,355 | In force Jun 2029 | Jun 2029 |
| US 9,031,858 | Lapsed on the fee record May 2023 | May 2023 |
8 of 18 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 |
|---|---|---|---|
| Jun 7, 2007 Reel 19397, frame 72 | Angell, Robert Lee; Kraemer, James R. | International Business Machines Corporation | Assignment of Assignor's Interest |
| Nov 14, 2019 Reel 51018, frame 649 | International Business Machines Corporation | Daedalus Group LLC | Assignment of Assignor's Interest |
| Jan 29, 2020 Reel 51737, frame 191 | Daedalus Group, LLC | Daedalus Blue LLC | Assignment of Assignor's Interest |
| Jan 28, 2022 Reel 58895, frame 322 | Daedalus Blue LLC | Terrace Licensing LLC | Assignment of Assignor's Interest |
| Jan 29, 2022 Reel 58902, frame 482 | Daedalus Blue LLC | Terrace Licensing LLC | Assignment of Assignor's Interest |
| Dec 30, 2023 Reel 66158, frame 772 | Terrace Licensing LLC | Daedalus Blue LLC | Assignment of Assignor's Interest |
| Oct 24, 2024 Reel 69237, frame 643 | Daedalus Blue LLC | Taiwan Semiconductor Manufacturing Company, Limited | 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
Apr 2032
Term ends Apr 19, 2032. Maintenance fees still fall due before then
Note
The 1843 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
90
later US patents cite this one
That is top 5% of utility patents granted in 2017 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.