Lapsed Jul 23, 2025 on the fee record · Medium confidence
20-year base term ends Mar 22, 2027
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 8,438,609), so the cap could be lower.
Third maintenance fee unpaid; grace period ended.
Held by Mec Management, LLC
Filed Mar 22, 2007 as application 11/728,309 · Granted Jul 23, 2013
Base term, 20 years from filing, plus 1107 days of patent term adjustment (USPTO delay)
Today
Lapsed Jul 23, 2025
2007
2030
Clock starts
Mar 22, 2007
Mar 22, 2007
No longer in force
Jul 23, 2025
Jul 23, 2025
Granted
Jul 23, 2013
Jul 23, 2013
Term would have run to
Apr 2, 2030
Apr 2, 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
1,107
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,438,609, to Apr 2, 2030. The term already ends on or before that date, so the cap shortened nothing.
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.
8
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 Apr 2, 2030: its 20-year base term plus 1107 days of term adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. Confidence: Medium. 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 Mar 22, 2007, when this application, 11/728,309, was filed | Mar 22, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1107 days, USPTO patent term adjustment record | Apr 2, 2030 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,438,609) | resolves to Apr 2, 2030, no earlier than this term, so no change | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Jul 23, 2025 | High confidence |
| Computed term end | The steps above, in order | Jul 23, 2025 | Medium confidence |
This family
| US 9,558,019 | In force Jul 2030 | Jul 2030 |
| US 8,495,708 | this patent Jul 2025 | Jul 2025 |
| Application 11/728,312 | Abandoned not computed | not computed |
| US 9,378,108 | In force Jul 2029 | Jul 2029 |
| Application 11/728,314 | Abandoned not computed | not computed |
| Application 11/824,564 | Abandoned not computed | not computed |
| US 8,438,609 | Lapsed on the fee record May 2025 | May 2025 |
| US 8,874,425 | Grace period ended Aug 2029 | Aug 2029 |
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 8, 2007 Reel 19426, frame 421 | Cohen, Alexander J.; Jung, Edward K.y.; Levien, Royce A.; Lord, Robert W.; Malamud, Mark A.; Rinaldo, JR., John D.; Wood, JR., Lowell L. | Searete LLC | Assignment of Assignor's Interest |
| Feb 19, 2013 Reel 29833, frame 304 | Searete LLC | The Invention Science Fund I, LLC | Assignment of Assignor's Interest |
| Aug 1, 2018 Reel 46521, frame 878 | The Invention Science Fund I, LLC | Bylas District Economic Enterprise, LLC | Assignment of Assignor's Interest |
| Aug 23, 2019 Reel 50143, frame 357 | Bylas District Economic Enterprise LLC | Mec Management, LLC | 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.
What's changing
Note
The 1107 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,438,609, ends no earlier than this term, so it caps nothing.
Citations
45
later US patents cite this one
That is top 25% 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.