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 Jan 30, 2023 (BMO Harris Bank N.A.).
Term ends May 25, 2027 · High confidence
20-year base term ended Sep 3, 2025
Held by Cirtec Medical Corp.
Filed Sep 3, 2005 as application 11/162,265 · Granted Dec 29, 2009
Base term plus 629 days of patent term adjustment (USPTO delay)
Today
2005
2027
Clock starts
Sep 3, 2005
Sep 3, 2005
Term ends
May 25, 2027
May 25, 2027
Granted
Dec 29, 2009
Dec 29, 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
629
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.
This patent's term runs 629 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 Sep 3, 2005, when this application, 11/162,265, was filed | Sep 3, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +629 days, USPTO patent term adjustment record | May 25, 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 | May 25, 2027 | High confidence |
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 |
|---|---|---|---|
| Sep 3, 2005 Reel 16490, frame 969 | Swoyer, John M. | 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 |
| Feb 12, 2016 Reel 37810, frame 51 | Greatbatch Ltd. | Qig Group, LLC | Assignment of Assignor's Interest |
| Jun 23, 2016 Reel 39132, frame 773 | Manufacturers and Traders Trust Company | Greatbatch Ltd.; Greatbatch Inc.; Qig Group LLC; Neuronexus Technologies, Inc.; Micro Power Electronics, Inc.; Electrochem Solutions, Inc. | Release of Security Interest |
| Jun 23, 2016 reel/frame not recorded | Manufacturers and Traders Trust Company | Greatbatch Ltd. | Release of Security Interest |
| Jun 23, 2016 reel/frame not recorded | Manufacturers and Traders Trust Company | Greatbatch Inc. | Release of Security Interest |
| Jun 23, 2016 reel/frame not recorded | Manufacturers and Traders Trust Company | Qig Group LLC | Release of Security Interest |
| Jun 23, 2016 reel/frame not recorded | Manufacturers and Traders Trust Company | Neuronexus Technologies, Inc. | Release of Security Interest |
| Jun 23, 2016 reel/frame not recorded | Manufacturers and Traders Trust Company | Micro Power Electronics, Inc. | Release of Security Interest |
| Jun 23, 2016 reel/frame not recorded | Manufacturers and Traders Trust Company | Electrochem Solutions, Inc. | Release of Security Interest |
| Apr 21, 2017 Reel 42310, frame 88 | Qig Group LLC | Nuvectra Corporation | Change of Name |
| Mar 18, 2020 Reel 52185, frame 680 | Nuvectra Corporation | Cirtec Medical Corp. | Assignment of Assignor's 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 |
| Jan 30, 2023 Reel 62559, frame 98 | Cirtec Medical Corp. | BMO Harris Bank N.A., as Collateral Agent | Patent Security Agreement |
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
May 2027
Term ends May 25, 2027. No further fees fall due before then
Note
The 629 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
40
later US patents cite this one
That is top 25% 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.