Term ends Oct 13, 2031 · High confidence
20-year base term ends Jun 21, 2033
Held by Fitbit, Inc.
Filed Aug 14, 2013 as application 13/966,641 · Granted Aug 2, 2016
Base term plus 99 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2013
2033
Clock starts
Jun 21, 2013
Jun 21, 2013
Term ends
Oct 13, 2031
Oct 13, 2031
Granted
Aug 2, 2016
Aug 2, 2016
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
99
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 9,149,189, US 9,159,223, US 9,204,798, US 9,330,561, US 9,339,188, US 9,345,404, US 9,392,939, US 9,398,854, US 9,407,097, US 9,526,422.
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.
94
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 99 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Jun 21, 2013, when applications 13/923,543, 13/923,560, 13/923,583, 13/923,614, 13/923,637, 13/923,750, 13/923,809, 13/923,909 and 13/923,937, the earliest non-provisional applications in its chain, were filed (this one was filed Aug 14, 2013) | Jun 21, 2033 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +99 days, USPTO patent term adjustment record | Sep 28, 2033 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,149,189, US 9,159,223, US 9,204,798, US 9,330,561, US 9,339,188, US 9,345,404, US 9,392,939, US 9,398,854, US 9,407,097, US 9,526,422) | capped to Oct 13, 2031 | 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 | Oct 13, 2031 | High confidence |
This family
| US 8,601,747 | In force no later than Apr 2032 | no later than Apr 2032 |
| US 9,407,097 | In force Oct 2031 | Oct 2031 |
| US 8,810,430 | In force Jun 2033 | Jun 2033 |
| US 8,850,421 | Lapsed on the fee record Sep 2026 | Sep 2026 |
| US 9,425,627 | In force Jun 2033 | Jun 2033 |
| US 9,438,044 | In force no later than Aug 2034 | no later than Aug 2034 |
| Application 13/923,583 | Abandoned not computed | not computed |
| US 8,803,366 | In force Jun 2033 | Jun 2033 |
8 of 94 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 |
|---|---|---|---|
| Oct 28, 2013 Reel 31489, frame 381 | Proud, James | Hello Inc. | Assignment of Assignor's Interest |
| Sep 8, 2017 Reel 43790, frame 938 | Hello (Assignment for the Benefit of Creditors), LLC | Fitbit, Inc. | Assignment of Assignor's Interest |
| Sep 8, 2017 Reel 43791, frame 801 | Hello Inc. | Hello (Assignment for the Benefit of Creditors), LLC | Assignment of Assignor's 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
Oct 2031
Term ends Oct 13, 2031. Maintenance fees still fall due before then
Note
The 99 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 9,149,189, US 9,159,223, US 9,204,798, US 9,330,561, US 9,339,188, US 9,345,404, US 9,392,939, US 9,398,854, US 9,407,097, US 9,526,422.
Citations
291
later US patents cite this one
That is top 1% of utility patents granted in 2016 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.