Lapsed Jan 25, 2023 on the fee record · High confidence
20-year base term ends Dec 14, 2027
Third maintenance fee unpaid; grace period ended.
Held by Hypres, Inc.
Filed Dec 14, 2007 as application 11/957,393 · Granted Jan 25, 2011
Base term, 20 years from filing, plus 576 days of patent term adjustment (USPTO delay)
Today
Lapsed Jan 25, 2023
2007
2029
Clock starts
Dec 14, 2007
Dec 14, 2007
No longer in force
Jan 25, 2023
Jan 25, 2023
Granted
Jan 25, 2011
Jan 25, 2011
Term would have run to
Jul 12, 2029
Jul 12, 2029
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
576
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.
9
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 Jul 12, 2029: its 20-year base term plus 576 days of term adjustment for prosecution delay. 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 Dec 14, 2007, when this application, 11/957,393, was filed | Dec 14, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +576 days, USPTO patent term adjustment record | Jul 12, 2029 | 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 | lapsed Jan 25, 2023 | High confidence |
| Computed term end | The steps above, in order | Jan 25, 2023 | High confidence |
This family
| US 8,045,660 | In force May 2030 | May 2030 |
| US 8,130,880 | In force Oct 2030 | Oct 2030 |
| US 7,876,869 | this patent Jan 2023 | Jan 2023 |
| Application PCT/US2008/064225 | PCT application no patent term | no patent term |
| US 8,514,986 | Lapsed on the fee record Aug 2021 | Aug 2021 |
| US 9,020,079 | In force Dec 2027 | Dec 2027 |
| US 9,252,825 | In force Dec 2027 | Dec 2027 |
| US 9,577,690 | In force Dec 2027 | Dec 2027 |
8 of 9 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 |
|---|---|---|---|
| Dec 14, 2007 Reel 20251, frame 993 | Gupta, Deepnarayan, DR. | Hypres, Inc. | Assignment of Assignor's Interest |
| Jun 17, 2021 Reel 56617, frame 116 | Hypres, Inc. | Avidbank | Security Interest |
| Aug 6, 2024 Reel 68348, frame 909 | Avidbank | Hypres, Inc. | Release of Security 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
Note
The 576 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
51
later US patents cite this one
That is top 25% of utility patents granted in 2011 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.