Collateral for a security interest recorded Feb 24, 2026 (Western Alliance Bank).
Surrendered on reissue Feb 16, 2021 · High confidence
20-year base term ends May 6, 2029
Surrendered on reissue Feb 16, 2021 · its term and maintenance fees continue in US RE48,437 and US RE49,927.
Held by BrightEdge Technologies, Inc.
Filed May 6, 2009 as application 12/436,704 · Granted May 29, 2012
Base term, 20 years from filing, plus 353 days of patent term adjustment (USPTO delay)
Today
Surrendered Feb 16, 2021
2009
2030
Clock starts
May 6, 2009
May 6, 2009
No longer in force
Feb 16, 2021
Feb 16, 2021
Granted
May 29, 2012
May 29, 2012
Term would have run to
Apr 24, 2030
Apr 24, 2030
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
353
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
Fees paid on this patent before its reissue. Those after fall due on the reissue, which carries the term on.
6
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 353 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 May 6, 2009, when this application, 12/436,704, was filed | May 6, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +353 days, USPTO patent term adjustment record | Apr 24, 2030 | 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 | no change | High confidence |
| Reissue | US RE48,437 and US RE49,927 issued Feb 16, 2021, and this patent's term continues in it (35 U.S.C. 251, 252) | surrendered Feb 16, 2021 | High confidence |
| Surrendered on reissue | The steps above, in order | Feb 16, 2021 | High confidence |
This family
| US 8,190,594 | this patent Feb 2021 | Feb 2021 |
| Application PCT/US2009/046100 | PCT application no patent term | no patent term |
| US 8,620,892 | In force May 2029 | May 2029 |
| US RE48,437 | In force Apr 2030 | Apr 2030 |
| US RE49,927 | In force no later than Apr 2030 | no later than Apr 2030 |
| Application 18/636,120 | Pending 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 |
|---|---|---|---|
| May 7, 2009 Reel 22650, frame 213 | Park, Lemuel S.; Yu, Jimmy | Optiweber, Inc. | Assignment of Assignor's Interest |
| Dec 17, 2009 Reel 23705, frame 1 | Optiweber, Inc. | BrightEdge Technologies, Inc. | Change of Name |
| Nov 25, 2024 Reel 69399, frame 371 | BrightEdge Technologies, Inc. | Stifel Bank | Security Interest |
| Feb 6, 2026 Reel 74728, frame 160 | Stifel Bank | BrightEdge Technologies, Inc. | Reassignment and Release of Security Interest |
| Feb 24, 2026 Reel 73881, frame 147 | BrightEdge Technologies, Inc. | Western Alliance Bank | 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 353 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
25
later US patents cite this one
That is top 25% of utility patents granted in 2012 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.