Term ended Jun 20, 2026 · Medium confidence
20-year base term ended Jun 20, 2026
Why Medium: A parent in the chain could not be resolved.
Filed Jun 10, 2014 as application 14/300,693 · Granted Mar 17, 2015
Base term, 20 years from filing
Today
Term ended Jun 20, 2026
2006
2026
Clock starts
Jun 20, 2006
Jun 20, 2006
Term ended
Jun 20, 2026
Jun 20, 2026
Granted
Mar 17, 2015
Mar 17, 2015
base term
after the term ends
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
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 is its 20-year base term, with no adjustment for prosecution delay. 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 Jun 20, 2006, when application 11/471,467, the earliest non-provisional in its chain, was filed (this one was filed Jun 10, 2014); a parent in its chain could not be resolved (the next row) | Jun 20, 2026 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | None on file | no change | 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 | 2 of 2 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Jun 20, 2026 | Medium confidence |
This family
| US 7,850,685 | In force May 2029 | May 2029 |
| US 8,337,492 | Lapsed on the fee record Dec 2020 | Dec 2020 |
| US 8,771,267 | Term ended Jun 2026 | Jun 2026 |
| US 8,979,841 | this patent Jun 2026 | Jun 2026 |
| US 9,468,495 | Term ended Jun 2026 | Jun 2026 |
| Application 15/291,822 | Abandoned 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 28, 2015 Reel 35736, frame 220 | Kunis, Christopher G.; Roman, Ricardo David; Asconeguy, Alexander J.; Flaherty, Christopher J.; Werneth, Randell L. | Ablation Frontiers, Inc. | Assignment of Assignor's Interest |
| May 29, 2015 Reel 35739, frame 353 | Ablation Frontiers, Inc. | Medtronic Ablation Frontiers, Inc. | Assignment of Assignor's Interest |
| May 29, 2015 Reel 35739, frame 486 | Medtronic Ablation Frontiers, Inc. | Medtronic Ablation Frontiers Technologies, LLC | Assignment of Assignor's Interest |
| May 29, 2015 Reel 35739, frame 710 | Medtronic Ablation Frontiers Technologies, LLC | Medtronic Ablation Frontiers, LLC | Assignment of Assignor's Interest |
| Sep 14, 2015 Reel 36731, frame 870 | Medtronic Ablation Frontiers Technologies, LLC | Medtronic Ablation Frontiers LLC | Corrective Assignment to Correct the Receiving Party - Remove (COMMA) ',' Out of Receiving Party Name Previously Recorded on Reel 035739 Frame 0710. Assignor(S) Hereby Confirms the Medtronic Ablation Frontiers LLC. |
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.
Citations
124
later US patents cite this one
That is top 5% of utility patents granted in 2015 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.