Lapsed Nov 5, 2025 on the fee record · Medium confidence
20-year base term ends Sep 10, 2027
Why Medium: A terminal disclaimer is on file (approved) with no resolved reference, so the term may end earlier.
Third maintenance fee unpaid; grace period ended.
Held by Prodea Automation LLC
Filed Nov 29, 2011 as application 13/306,614 · Granted Nov 5, 2013
Base term, 20 years from filing
Today
Lapsed Nov 5, 2025
2007
2027
Clock starts
Sep 10, 2007
Sep 10, 2007
No longer in force
Nov 5, 2025
Nov 5, 2025
Granted
Nov 5, 2013
Nov 5, 2013
Term would have run to
Sep 10, 2027
Sep 10, 2027
base term
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
None
Term adjustment
No prosecution delay on this record.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
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.
3
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 Sep 10, 2027: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 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 Sep 10, 2007, when application 11/898,186, the earliest non-provisional in its chain, was filed (this one was filed Nov 29, 2011) | Sep 10, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer on file (approved), reference document not resolved | no cap applied, and none guessed | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Nov 5, 2025 | High confidence |
| Computed term end | The steps above, in order | Nov 5, 2025 | Medium confidence |
This family
| US 8,086,495 | In force Apr 2029 | Apr 2029 |
| Application PCT/US2008/075889 | PCT application no patent term | no patent term |
| US 8,577,739 | this patent Nov 2025 | Nov 2025 |
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 |
|---|---|---|---|
| Nov 29, 2011 Reel 27296, frame 537 | Ansari, Amir; Cowgill, George A.; Nicholls, Leon E.; Ramayya, Jude P.; Masina, Ramprakash; McQuarters, Alvin R.; Raissyan, Atousa | Prodea Systems, Inc. | Assignment of Assignor's Interest |
| Jun 17, 2015 Reel 35930, frame 475 | Prodea Systems, Inc. | Fortress Credit Co. LLC | Security Interest |
| Jun 17, 2015 Reel 35933, frame 820 | Prodea Systems, Inc. | Kip Prod P1 LP | Assignment of Assignor's Interest |
| Jun 17, 2015 Reel 35949, frame 845 | Kip Prod P1 LP | Fortress Credit Co. LLC | Security Interest |
| Jul 7, 2016 Reel 39104, frame 853 | Fortress Credit Co. LLC | Drawbridge Special Opportunities Fund LP; Fco VII Clo Transferor LLC; CF Ez LLC | Security Interest |
| Jul 7, 2016 reel/frame not recorded | Fortress Credit Co. LLC | Drawbridge Special Opportunities Fund LP | Security Interest |
| Jul 7, 2016 reel/frame not recorded | Fortress Credit Co. LLC | Fco VII Clo Transferor LLC | Security Interest |
| Jul 7, 2016 reel/frame not recorded | Fortress Credit Co. LLC | CF Ez LLC | Security Interest |
| Aug 5, 2020 Reel 53409, frame 803 | Prodea Systems, Inc. | King, Tyson, MR | Agreement for Judgment |
| May 7, 2024 Reel 67331, frame 422 | Kip Prod P1 LP | Prodea Automation LLC | Merger |
| Aug 30, 2024 Reel 68454, frame 458 | Drawbridge Special Opportunities Fund LP; Fco VII Clo Transferor LLC; CF Ez LLC | Prodea Automation LLC | 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
A terminal disclaimer is on file and its reference is not resolved. No cap is applied and none is guessed
Open question
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Nov 5, 2025. We will not guess the cap.
Citations
76
later US patents cite this one
That is top 10% 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.