Intersect ENT, Inc.
2 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
17
Ending by 2030
Nov 2026
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 2 fees due Dec 13, 2026
- 1 fee due Jan 23, 2027The maintenance fee for Expandable devices and methods for treating a nasal or sinus condition (US 10,357,640) comes due Jan 23, 2027. Unpaid by Jul 23, 2027, it lapses early.
- 1 fee due Mar 10, 2027The maintenance fee for Systems, devices, and method for treating a sinus condition (US 10,406,332) comes due Mar 10, 2027. Unpaid by Sep 10, 2027, it lapses early.
- 1 fee due Apr 15, 2027The maintenance fee for Drug-coated balloon (US 10,441,757) comes due Apr 15, 2027. Unpaid by Oct 15, 2027, it lapses early.
- 2 fees due May 12 to 28, 2027 · next May 12
- 1 fee due Sep 30, 2027The maintenance fee for Drug-coated balloon (US 10,603,473) comes due Sep 30, 2027. Unpaid by Mar 31, 2028, it lapses early.
Recent changes
- 2 terms have ended since Aug 16, 2026
Patents held now
Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,544,192 | Sinus delivery of sustained release therapeutics In force · From the USPTO record | In force | From the USPTO record | |
| US 8,277,504 | Stent for irrigation and delivery of medication In force · From the USPTO record | In force | From the USPTO record | |
| US 8,277,503 | Stent for irrigation and delivery of medication In force · From the USPTO record | In force | From the USPTO record | |
| US 8,025,635 | Device and methods for treating paranasal sinus conditions In force · From the USPTO record | In force | From the USPTO record | |
| US 8,986,341 | Self-Expanding Devices and Methods Therefor In force · Low confidence | In force | Low confidence | |
| US 10,471,185 | Self-Expanding Devices and Methods Therefor In force · Medium confidence | In force | Medium confidence | |
| US 11,110,210 | Self-Expanding Devices and Methods Therefor In force · Medium confidence | In force | Medium confidence | |
| US 11,654,216 | Self-Expanding Devices and Methods Therefor In force · Medium confidence | In force | Medium confidence | |
| US 11,497,835 | Self-Expanding Devices and Methods Therefor In force · High confidence | In force | High confidence | |
| US 8,858,974 | Device and methods for treating paranasal sinus conditions In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 33: 2 patents in force now held by others · 1 lapsed for an unpaid fee · 19 ended at full term. List them
Sources and methods
Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand.
How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
Published applications
US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.
3 pending · 1 abandoned · 7 no status recorded