Also listed on Eigen, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Sep 12, 2029 · High confidence
20-year base term ends Sep 10, 2028
Held by Eigen Health Services, LLC
Filed Sep 10, 2008 as application 12/207,708 · Granted Jan 25, 2011
Base term plus 367 days of patent term adjustment (USPTO delay)
Today
2008
2029
Clock starts
Sep 10, 2008
Sep 10, 2008
Term ends
Sep 12, 2029
Sep 12, 2029
Granted
Jan 25, 2011
Jan 25, 2011
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
367
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
This patent's term runs 367 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Sep 10, 2008, when this application, 12/207,708, was filed | Sep 10, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +367 days, USPTO patent term adjustment record | Sep 12, 2029 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 12, 2029 | High confidence |
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 |
|---|---|---|---|
| Sep 10, 2008 Reel 21507, frame 954 | Vohra, Amit; Suri, Jasjit S. | Eigen, Inc. | Assignment of Assignor's Interest |
| Jul 8, 2010 Reel 24652, frame 493 | Eigen, Inc. | Kazi Management VI, LLC | Assignment of Assignor's Interest |
| Sep 2, 2010 Reel 24929, frame 310 | Kazi Management VI, LLC | Kazi, Zubair | Assignment of Assignor's Interest |
| Sep 20, 2010 Reel 25013, frame 245 | Kazi, Zubair | Kazi Management ST. Croix, LLC | Assignment of Assignor's Interest |
| Oct 13, 2010 Reel 25132, frame 199 | 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
Sep 2029
Term ends Sep 12, 2029. No further fees fall due before then
Note
The 367 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
14
later US patents cite this one
That is above the median of utility patents granted in 2011 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.