Term ends Sep 17, 2033 · Medium confidence
20-year base term ends Sep 17, 2033
Why Medium: A parent in the chain could not be resolved.
Held by Fitbit, Inc.
Filed Oct 3, 2013 as application 14/045,574 · Granted May 5, 2015
Base term, 20 years from filing
Today
2013
2033
Clock starts
Sep 17, 2013
Sep 17, 2013
Term ends
Sep 17, 2033
Sep 17, 2033
Granted
May 5, 2015
May 5, 2015
base term
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.
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.
61
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. All three maintenance fees are recorded paid; no more fees are due. 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 Sep 17, 2013, when application 14/029,763, the earliest non-provisional in its chain, was filed (this one was filed Oct 3, 2013); a parent in its chain could not be resolved (the next row) | Sep 17, 2033 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | None on file | no change | 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 17, 2033 | Medium confidence |
This family
| US 8,954,135 | In force Jun 2033 | Jun 2033 |
| Application 14/029,763 | Abandoned not computed | not computed |
| US 8,784,271 | In force Sep 2033 | Sep 2033 |
| Application 14/045,563 | Abandoned not computed | not computed |
| US 9,026,927 | this patent Sep 2033 | Sep 2033 |
| US 9,596,990 | In force Jun 2033 | Jun 2033 |
| US 9,603,524 | In force Jun 2033 | Jun 2033 |
| US 9,049,998 | In force Jun 2033 | Jun 2033 |
8 of 61 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 |
|---|---|---|---|
| Nov 7, 2013 Reel 31560, frame 852 | Brumback, Christine Boomer; Knight, David Wayne; Park, James; Axley, Andrew Cole; Yuen, Shelton Gee Jao | Fitbit, Inc. | Assignment of Assignor's Interest |
| Jan 7, 2014 Reel 31925, frame 420 | Brumback, Christine Boomer; Knight, David Wayne; Park, James; Axley, Andrew Cole; Yuen, Shelten Gee Jao | Fitbit, Inc. | Corrective Assignment to Correct the Spelling of Assignor Shelten Gee Jao Yuen's Name Previously Recorded on Reel 031560 Frame 0852. Assignor(S) Hereby Confirms the Spelling of His Name as Shelten Gee Jao Yuen. |
| Aug 13, 2014 Reel 33532, frame 27 | Fitbit, Inc. | Morgan Stanley Senior Funding, Inc., as Collateral Agent | Security Interest |
| Aug 15, 2014 Reel 33546, frame 670 | Fitbit, Inc. | Silicon Valley Bank, As Administrative Agent | Security Interest |
| Dec 11, 2015 Reel 37269, frame 76 | Morgan Stanley Senior Funding, Inc. | Fitstar, Inc.; Fitbit, Inc. | Release of Security Interest in Patents |
| Dec 11, 2015 reel/frame not recorded | Morgan Stanley Senior Funding, Inc. | Fitstar, Inc. | Release of Security Interest in Patents |
| Dec 11, 2015 reel/frame not recorded | Morgan Stanley Senior Funding, Inc. | Fitbit, Inc. | Release of Security Interest in Patents |
| Dec 15, 2015 Reel 37300, frame 497 | Silicon Valley Bank, As Administrative Agent | Fitstar, Inc.; Fitbit, Inc. | Termination and Release of Security Interest in Patents |
| Dec 15, 2015 reel/frame not recorded | Silicon Valley Bank, As Administrative Agent | Fitstar, Inc. | Termination and Release of Security Interest in Patents |
| Dec 15, 2015 reel/frame not recorded | Silicon Valley Bank, As Administrative Agent | Fitbit, Inc. | Termination and Release of Security Interest in Patents |
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.
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Alerts on its grants, lapses and transfers.
What's changing
Sep 2033
Term ends Sep 17, 2033. No further fees fall due before then
Citations
171
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.