Topera, Inc.
26 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.
0
Ending by 2030
Apr 2031
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 Dec 16, 2026The maintenance fee for System and Method for Reconstructing Cardiac Activation Information (US 9,055,877) comes due Dec 16, 2026. Unpaid by Jun 16, 2027, it lapses early.
- 1 fee due Jan 28, 2027The maintenance fee for System and Method for Reconstructing Cardiac Signals Associated with a Complex Rhythm Disorder (US 9,089,269) comes due Jan 28, 2027. Unpaid by Jul 28, 2027, it lapses early.
- 1 fee due Feb 18, 2027The maintenance fee for System and Method for Reconstructing Cardiac Activation Information (US 9,107,600) comes due Feb 18, 2027. Unpaid by Aug 18, 2027, it lapses early.
- 1 fee due Apr 8, 2027The maintenance fee for System and Method of Identifying Sources Associated with Biological Rhythm Disorders (US 10,434,319) comes due Apr 8, 2027. Unpaid by Oct 8, 2027, 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 8,868,169 | Method and System for Detection of Biological Rhythm Disorders In force · High confidence | In force | High confidence | |
| US 9,089,269 | System and Method for Reconstructing Cardiac Signals Associated with a Complex Rhythm Disorder In force · High confidence | In force | High confidence | |
| US 9,055,877 | System and Method for Reconstructing Cardiac Activation Information In force · High confidence | In force | High confidence | |
| US 9,107,600 | System and Method for Reconstructing Cardiac Activation Information In force · High confidence | In force | High confidence | |
| US 9,398,883 | System and Method for Reconstructing Cardiac Activation Information In force · High confidence | In force | High confidence | |
| US 10,271,786 | System and Method for Reconstructing Cardiac Activation Information In force · High confidence | In force | High confidence | |
| US 8,346,339 | Basket Style Cardiac Mapping Catheter Having a Flexible Electrode Assembly for Detection of Cardiac Rhythm Disorders In force · High confidence | In force | High confidence | |
| US 8,364,234 | Basket style cardiac mapping catheter having spline bends for detection of cardiac rhythm disorders In force · From the USPTO record | In force | From the USPTO record | |
| US 8,364,236 | Flexible electrode assembly for insertion into body lumen or organ In force · From the USPTO record | In force | From the USPTO record | |
| US 8,504,133 | Basket Style Cardiac Mapping Catheter Having a Flexible Electrode Assembly and an Atraumatic Tip for Detection of Cardiac Rhythm Disorders In force · High confidence | In force | High confidence |
Also on record, not counted in the 16: 26 patents in force now held by others · 12 lapsed for an unpaid fee. 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.
1 abandoned