Lapsed Jul 23, 2021 on the fee record · High confidence
20-year base term ended Jun 22, 2026
Second maintenance fee unpaid; grace period ended.
Held by SABIC Global Technologies B.V.
Filed Jun 22, 2006 as application 11/425,739 · Granted Jul 23, 2013
Base term, 20 years from filing, plus 1072 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Lapsed Jul 23, 2021
2006
2026
Clock starts
Jun 22, 2006
Jun 22, 2006
No longer in force
Jul 23, 2021
Jul 23, 2021
Granted
Jul 23, 2013
Jul 23, 2013
Term would have run to
Nov 26, 2026
Nov 26, 2026
base term
patent term adjustment
after the term ends
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
1,072
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 8,071,693.
1 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.
7
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Nov 26, 2026: its 20-year base term plus 1072 days of term adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Jun 22, 2006, when this application, 11/425,739, was filed | Jun 22, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1072 days, USPTO patent term adjustment record | May 29, 2029 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,071,693) | capped to Nov 26, 2026 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | lapsed Jul 23, 2021 | High confidence |
| Computed term end | The steps above, in order | Jul 23, 2021 | High confidence |
This family
| US 8,168,726 | In force Oct 2028 | Oct 2028 |
| US 8,491,997 | this patent Jul 2021 | Jul 2021 |
| US 8,071,693 | In force Nov 2026 | Nov 2026 |
| Application PCT/US2007/068124 | PCT application no patent term | no patent term |
| Application PCT/US2007/068103 | PCT application no patent term | no patent term |
| US 8,597,788 | Lapsed on the fee record Dec 2021 | Dec 2021 |
| Application 13/450,874 | Abandoned not computed | not computed |
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 22, 2006 Reel 17826, frame 842 | Banerjee, Sustanta; Gallucci, Robert Russell; Haralur, Gurulingamurthy M.; Kailasam, Ganesh; Kernick, III, William A.; Vakil, Utpal Mahendra | General Electric Company | Assignment of Assignor's Interest |
| May 1, 2008 Reel 20985, frame 551 | General Electric Company | SABIC Innovative Plastics IP B.V. | Assignment of Assignor's Interest |
| Aug 18, 2008 Reel 21423, frame 1 | SABIC Innovative Plastics IP B.V. | Citibank, N.A., as Collateral Agent | Security Agreement |
| Mar 17, 2014 Reel 32459, frame 798 | Citibank, N.a. | SABIC Innovative Plastics IP B.V. | Release of Security Interest |
| Jun 6, 2016 Reel 38883, frame 816 | SABIC Innovative Plastics IP B.V. | SABIC Global Technologies B.V. | Change of Name |
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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 1072 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 8,071,693.
Citations
7
later US patents cite this one
That is below the median 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.