Also listed on Eigen, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jul 8, 2030 · High confidence
20-year base term ends Nov 10, 2029
Held by Eigen Health Services, LLC
Filed Oct 31, 2012 as application 13/665,595 · Granted Aug 25, 2015
Base term plus 240 days of patent term adjustment (USPTO delay)
Today
2009
2030
Clock starts
Nov 10, 2009
Nov 10, 2009
Term ends
Jul 8, 2030
Jul 8, 2030
Granted
Aug 25, 2015
Aug 25, 2015
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
240
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
2
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 runs 240 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. 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 Nov 10, 2009, when application 12/615,862, the earliest non-provisional in its chain, was filed (this one was filed Oct 31, 2012) | Nov 10, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +240 days, USPTO patent term adjustment record | Jul 8, 2030 | 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 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 8, 2030 | High confidence |
This family
| Application 12/615,862 | Abandoned not computed | not computed |
| US 9,113,816 | this patent Jul 2030 | Jul 2030 |
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 |
|---|---|---|---|
| Jun 30, 2015 Reel 36035, frame 800 | Kumar, Dinesh | Eigen, Inc. | Employee Discovery & Proprietary Information Agreement |
| Jun 30, 2015 Reel 35936, frame 219 | Suri, Jasjit S. | Eigen, Inc. | Assignment of Assignor's Interest |
| Jul 7, 2015 Reel 36005, frame 917 | Kumar, Dinesh | Eigen, Inc. | Assignment of Assignor's Interest |
| Jan 11, 2018 Reel 45060, frame 919 | Eigen, Inc. | Kazi Management VI, LLC | Asset Purchase Agreement |
| Jan 12, 2018 Reel 44606, frame 733 | Kazi Management VI, LLC | Kazi, Zubair | Assignment of Assignor's Interest |
| Jan 12, 2018 Reel 44606, frame 859 | Kazi, Zubair | Kazi Management ST. Croix, LLC | Assignment of Assignor's Interest |
| Jan 12, 2018 Reel 44607, frame 27 | Kazi Management ST. Croix, LLC | IGT, LLC | Assignment of Assignor's Interest |
| Jan 12, 2018 Reel 44607, frame 623 | IGT, LLC | ZMK Medical Technologies, Inc. | Merger |
| Jan 12, 2018 Reel 45054, frame 925 | ZMK Medical Technologies, Inc., a Delaware Corporation | ZMK Medical Technologies, Inc., a Nevada Corporation | Asset Purchase Agreement |
| Sep 18, 2020 Reel 53815, frame 807 | ZMK Medical Technologies, Inc. | Eigen Health Services, LLC | Merger |
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.
What's changing
Jul 2030
Term ends Jul 8, 2030. Maintenance fees still fall due before then
Note
The 240 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
12
later US patents cite this one
That is above the median 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.