The Patent Finder

Endologix LLC

86 patents currently held · Updated Nov 15, 2026
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.

Recorded under 3 name spellings.

20
Ending by 2030
Sep 2027
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.
  • 1 fee due Nov 30, 2026
    The maintenance fee for Stent Graft Systems with Restraints in Channels and Methods Thereof (US 11,660,179) comes due Nov 30, 2026. Unpaid by Jun 1, 2027, it lapses early.
  • 1 fee due Dec 30, 2026
    The maintenance fee for Endovascular Delivery System with Flexible and Torqueable Hypotube (US 9,066,828) comes due Dec 30, 2026. Unpaid by Jun 30, 2027, it lapses early.
  • 1 fee due Jan 16, 2027
    The maintenance fee for Method and System for Treating Aneurysms (US 10,349,946) comes due Jan 16, 2027. Unpaid by Jul 16, 2027, it lapses early.
  • 2 fees due Feb 8 to 15, 2027 · next Feb 8
  • 3 fees due Mar 15 to 29, 2027 · next Mar 15
  • 1 fee due Apr 17, 2027
    The maintenance fee for Method and System for Treating Aneurysms (US 11,786,252) comes due Apr 17, 2027. Unpaid by Oct 18, 2027, it lapses early.
  • 1 fee due May 24, 2027
    The maintenance fee for Low Profile Stent Graft and Delivery System (US 9,192,462) comes due May 24, 2027. Unpaid by Nov 24, 2027, it lapses early.
  • 1 fee due Jun 24, 2027
    The maintenance fee for Catheter System and Methods of Using Same (US 10,512,758) comes due Jun 24, 2027. Unpaid by Dec 27, 2027, it lapses early.
  • 1 fee due Jul 12, 2027
    The maintenance fee for Endovascular Delivery System with an Improved Radiopaque Marker Scheme (US 9,233,015) comes due Jul 12, 2027. Unpaid by Jan 12, 2028, it lapses early.
  • 3 fees due Sep 10 to 30, 2027 · next Sep 10
  • 1 fee due Oct 12, 2027
    The maintenance fee for Non-Degradable, Low Swelling, Water Soluble Radiopaque Hydrogel Polymer (US 9,308,301) comes due Oct 12, 2027. Unpaid by Apr 12, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 2 of the patents on this record were granted since Aug 17, 2026
  • 2 terms have ended since Aug 17, 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.
PatentTitleStatus Expires Confidence
US 7,666,220System and Methods for Endovascular Aneurysm Treatment
In force
 · High confidence
In forceHigh confidence
US 8,357,192Bifurcated Graft Deployment Systems and Methods
In force
 · High confidence
In forceHigh confidence
US 7,632,291Inflatable Implant
In force
 · High confidence
In forceHigh confidence
US 9,308,301Non-Degradable, Low Swelling, Water Soluble Radiopaque Hydrogel Polymer
In force
 · Medium confidence
In forceMedium confidence
US 10,682,222Modular Vascular Graft for Low Profile Percutaneous Delivery
In force
 · High confidence
In forceHigh confidence
US 9,943,397Intravascular Guidewire Filter System for Pulmonary Embolism Protection and Embolism Removal or Maceration
In force
 · High confidence
In forceHigh confidence
US 7,790,273Material for Creating Multi-Layered Films and Methods for Making the Same
In force
 · High confidence
In forceHigh confidence
US 10,245,166Apparatus and Method of Placement of a Graft or Graft System
In force
 · High confidence
In forceHigh confidence
US 8,236,040Bifurcated Graft Deployment Systems and Methods
In force
 · High confidence
In forceHigh confidence
US 8,221,494Apparatus and Method of Placement of a Graft or Graft System
In force
 · High confidence
In forceHigh confidence
10 of 86 patents shown.
Pro members see all 86.
Pro members: see all 86 patents
Also on record, not counted in the 86: 2 patents in force now held by others · 62 lapsed for an unpaid fee · 98 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.

9 pending · 23 abandoned · 1 no status recorded

List them

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited