Term ends Sep 11, 2027 · High confidence
20-year base term ended Dec 3, 2024
Held by Natera, Inc.
Filed Dec 3, 2004 as application 11/004,274 · Granted Sep 20, 2011
Base term plus 1012 days of patent term adjustment (USPTO delay)
Today
2004
2027
Clock starts
Dec 3, 2004
Dec 3, 2004
Term ends
Sep 11, 2027
Sep 11, 2027
Granted
Sep 20, 2011
Sep 20, 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
1,012
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 1012 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 Dec 3, 2004, when this application, 11/004,274, was filed | Dec 3, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1012 days, USPTO patent term adjustment record | Sep 11, 2027 | 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 11, 2027 | 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 |
|---|---|---|---|
| Jan 27, 2009 Reel 22165, frame 447 | Rabinowitz, Matthew; Chambliss, Wayne; Croswell, John; Sarbaev, Miro; Banjevic, Milena | Gene Security Network Inc. | Assignment of Assignor's Interest |
| Jun 28, 2010 Reel 24600, frame 807 | Rabinowitz, Matthew; Chambliss, Wayne; Croswell, John; Sarbaev, Miro; Banjevic, Milena | Gene Security Network, Inc. | Assignment of Assignor's Interest |
| Feb 13, 2012 Reel 27693, frame 807 | Gene Security Network, Inc. | Natera, Inc. | Change of Name |
| Apr 23, 2013 Reel 30274, frame 65 | Natera, Inc. | Ros Acquisition Offshore LP | Security Agreement |
| Aug 3, 2017 Reel 43185, frame 699 | Ros Acquisition Offshore LP | Natera, Inc. | Release of Security Interest |
| Aug 8, 2017 Reel 43482, frame 472 | Natera, Inc. | Orbimed Royalty Opportunities II, LP | Security Interest |
| Apr 22, 2020 Reel 52472, frame 712 | Orbimed Royalty Opportunities II, LP | Natera, Inc. | Release of Security Interest |
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 2027
Term ends Sep 11, 2027. No further fees fall due before then
Note
The 1012 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
493
later US patents cite this one
That is top 1% 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.