Term ends Mar 12, 2029 · Medium confidence
20-year base term ends May 18, 2031
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 8,532,930), so the cap could be lower.
Held by Natera, Inc.
Filed Mar 8, 2013 as application 13/791,397 · Granted Oct 20, 2015
Base term, 20 years from filing · capped by a resolved terminal disclaimer
Today
2011
2031
Clock starts
May 18, 2011
May 18, 2011
Term ends
Mar 12, 2029
Mar 12, 2029
Granted
Oct 20, 2015
Oct 20, 2015
base term
after the term ends
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
None
Term adjustment
No prosecution delay on this record.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 8,515,679, US 8,532,930.
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.
202
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 is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 2 of 3 maintenance fees are paid so far. Confidence: Medium. 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 May 18, 2011, when application 13/110,685, the earliest non-provisional in its chain, was filed (this one was filed Mar 8, 2013) | May 18, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,515,679, US 8,532,930) | capped to Mar 12, 2029 | Medium 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 | Mar 12, 2029 | Medium confidence |
This family
| Application 11/496,982 | Abandoned not computed | not computed |
| Application PCT/US2006/045281 | PCT application no patent term | no patent term |
| US 8,532,930 | In force no later than Mar 2031 | no later than Mar 2031 |
| Application 11/634,550 | Abandoned not computed | not computed |
| US 8,515,679 | In force Mar 2029 | Mar 2029 |
| US 8,825,412 | In force Mar 2029 | Mar 2029 |
| Application PCT/US2011/037018 | PCT application no patent term | no patent term |
| US 10,017,812 | In force no later than Jan 2032 | no later than Jan 2032 |
8 of 202 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Apr 23, 2013 Reel 30274, frame 65 | Natera, Inc. | Ros Acquisition Offshore LP | Security Agreement |
| Jun 22, 2015 Reel 35987, frame 142 | Rabinowitz, Matthew; Gemelos, George; Banjevic, Milena; Ryan, Allison; Demko, Zachary; Hill, Matthew; Zimmermann, Bernhard; Baner, Johan | Gene Security Network Inc. | Assignment of Assignor's Interest |
| Jun 22, 2015 Reel 35987, frame 201 | Gene Security Network Inc. | Natera, Inc. | Change of Name |
| 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
Mar 2029
Term ends Mar 12, 2029. Maintenance fees still fall due before then
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 8,515,679, US 8,532,930.
Citations
141
later US patents cite this one
That is top 5% 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.