Also listed on Quan Emerteq Corp., an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Sep 10, 2021 (Wells Fargo Bank, National Association).
Term ends Feb 15, 2027 · High confidence
20-year base term ended May 5, 2025
Held by Greatbatch Ltd.
Filed May 5, 2005 as application 11/122,779 · Granted Mar 3, 2009
Base term plus 651 days of patent term adjustment (USPTO delay)
Today
2005
2027
Clock starts
May 5, 2005
May 5, 2005
Term ends
Feb 15, 2027
Feb 15, 2027
Granted
Mar 3, 2009
Mar 3, 2009
base term
patent term adjustment
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
651
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
This patent's term runs 651 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 5, 2005, when this application, 11/122,779, was filed | May 5, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +651 days, USPTO patent term adjustment record | Feb 15, 2027 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | Feb 15, 2027 | High confidence |
This family
| US 7,497,853 | this patent Feb 2027 | Feb 2027 |
| US 7,678,074 | Term ended May 2025 | May 2025 |
| US 8,048,026 | Lapsed on the fee record Nov 2023 | Nov 2023 |
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 2, 2005 Reel 17166, frame 590 | Fischer, Brian; Knippel, Bradley Charles | Enpath Medical, Inc. | Assignment of Assignor's Interest |
| Mar 10, 2008 Reel 20617, frame 788 | Enpath Medical, Inc. | Quan Emerteq Corp. | Assignment of Assignor's Interest |
| Jan 6, 2009 Reel 22063, frame 692 | Quan Emerteq Corp. | Greatbatch Ltd. | Assignment of Assignor's Interest |
| Jul 1, 2011 Reel 26539, frame 217 | Greatbatch Ltd. | Manufacturers and Traders Trust Company, as Administrative Agent | Security Agreement |
| Oct 27, 2015 Reel 36980, frame 482 | Greatbatch, Inc.; Greatbatch Ltd.; Electrochem Solutions, Inc.; Neuronexus Technologies, Inc.; Greatbatch-Globe Tool, Inc.; Precimed Inc.; Micro Power Electronics, Inc. | Manufacturers and Traders Trust Company | Security Interest |
| Sep 10, 2021 Reel 57468, frame 56 | Greatbatch Ltd.; Electrochem Solutions, Inc.; Lake Region Medical, Inc.; Lake Region Manufacturing, Inc. | Wells Fargo Bank, National Association, as Administrative Agent | Security Interest |
| Nov 22, 2021 Reel 58224, frame 204 | Manufacturers and Traders Trust Company | Greatbatch Ltd. | Release of Security Interest |
| Jan 6, 2022 Reel 60938, frame 69 | Manufacturers and Traders Trust Company (as Administrative Agent) | Greatbatch, Inc.; Greatbatch Ltd.; Electrochem Solutions, Inc.; Neuronexus Technologies, Inc.; Greatbatch-Globe Tool, Inc.; Precimed Inc.; Micro Power Electronics, Inc. | Release of Security Interest |
| Jan 6, 2022 reel/frame not recorded | Manufacturers and Traders Trust Company (as Administrative Agent) | Greatbatch, Inc. | Release of Security Interest |
| Jan 6, 2022 reel/frame not recorded | Manufacturers and Traders Trust Company (as Administrative Agent) | Greatbatch Ltd. | Release of Security Interest |
| Jan 6, 2022 reel/frame not recorded | Manufacturers and Traders Trust Company (as Administrative Agent) | Electrochem Solutions, Inc. | Release of Security Interest |
| Jan 6, 2022 reel/frame not recorded | Manufacturers and Traders Trust Company (as Administrative Agent) | Neuronexus Technologies, Inc. | Release of Security Interest |
| Jan 6, 2022 reel/frame not recorded | Manufacturers and Traders Trust Company (as Administrative Agent) | Greatbatch-Globe Tool, Inc. | Release of Security Interest |
| Jan 6, 2022 reel/frame not recorded | Manufacturers and Traders Trust Company (as Administrative Agent) | Precimed Inc. | Release of Security Interest |
| Jan 6, 2022 reel/frame not recorded | Manufacturers and Traders Trust Company (as Administrative Agent) | Micro Power Electronics, Inc. | Release of Security Interest |
| Oct 12, 2022 Reel 61659, frame 858 | Manufacturers and Traders Trust Company (as Administrative Agent) | Greatbatch, Inc.; Greatbatch Ltd.; Electrochem Solutions, Inc.; Neuronexus Technologies, Inc.; Greatbatch-Globe Tool, Inc.; Precimed Inc.; Micro Power Electronics, Inc. | Release of Security Interest |
| Oct 12, 2022 reel/frame not recorded | Manufacturers and Traders Trust Company (as Administrative Agent) | Greatbatch, Inc. | Release of Security Interest |
| Oct 12, 2022 reel/frame not recorded | Manufacturers and Traders Trust Company (as Administrative Agent) | Greatbatch Ltd. | Release of Security Interest |
| Oct 12, 2022 reel/frame not recorded | Manufacturers and Traders Trust Company (as Administrative Agent) | Electrochem Solutions, Inc. | Release of Security Interest |
| Oct 12, 2022 reel/frame not recorded | Manufacturers and Traders Trust Company (as Administrative Agent) | Neuronexus Technologies, Inc. | Release of Security Interest |
| Oct 12, 2022 reel/frame not recorded | Manufacturers and Traders Trust Company (as Administrative Agent) | Greatbatch-Globe Tool, Inc. | Release of Security Interest |
| Oct 12, 2022 reel/frame not recorded | Manufacturers and Traders Trust Company (as Administrative Agent) | Precimed Inc. | Release of Security Interest |
| Oct 12, 2022 reel/frame not recorded | Manufacturers and Traders Trust Company (as Administrative Agent) | Micro Power Electronics, 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
Feb 2027
Term ends Feb 15, 2027. No further fees fall due before then
Note
The 651 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
86
later US patents cite this one
That is top 10% of utility patents granted in 2009 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.