Lapsed Sep 30, 2026 on the fee record · High confidence
20-year base term ends Jun 21, 2033
Third maintenance fee unpaid; grace period ended.
Held by Fitbit, Inc.
Filed Jun 21, 2013 as application 13/923,614 · Granted Sep 30, 2014
Base term, 20 years from filing
Today
Lapsed Sep 30, 2026
2013
2033
Clock starts
Jun 21, 2013
Jun 21, 2013
No longer in force
Sep 30, 2026
Sep 30, 2026
Granted
Sep 30, 2014
Sep 30, 2014
Term would have run to
Jun 21, 2033
Jun 21, 2033
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,803,366, US 8,810,430, to Jun 21, 2033. The term already ends on or before that date, so the cap shortened nothing.
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.
Its term would have run to Jun 21, 2033: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 this application, 13/923,614, was filed | Jun 21, 2033 | 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 8,803,366, US 8,810,430) | resolves to Jun 21, 2033, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Sep 30, 2026 | High confidence |
| Computed term end | The steps above, in order | Sep 30, 2026 | 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 | this patent 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 |
|---|---|---|---|
| Jul 17, 2013 Reel 30818, frame 292 | 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.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,803,366, US 8,810,430, ends no earlier than this term, so it caps nothing.
Citations
195
later US patents cite this one
That is top 5% of utility patents granted in 2014 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.