Lapsed May 17, 2019 on the fee record · High confidence
20-year base term ended Aug 22, 2025
Second maintenance fee unpaid; grace period ended.
Held by Snaptrack, Inc.
Filed Oct 28, 2009 as application 12/607,932 · Granted May 17, 2011
Base term, 20 years from filing
Today
Lapsed May 17, 2019
2005
2026
Clock starts
Aug 22, 2005
Aug 22, 2005
No longer in force
May 17, 2019
May 17, 2019
Granted
May 17, 2011
May 17, 2011
Term would have run to
Aug 22, 2025
Aug 22, 2025
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.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
4
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 Aug 22, 2025: its 20-year base term, with no adjustment for prosecution delay. 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 Aug 22, 2005, when application 11/209,143, the earliest non-provisional in its chain, was filed (this one was filed Oct 28, 2009) | Aug 22, 2025 | 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 | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | lapsed May 17, 2019 | High confidence |
| Computed term end | The steps above, in order | May 17, 2019 | High confidence |
This family
| US 7,710,636 | In force Sep 2027 | Sep 2027 |
| Application PCT/US2005/033056 | PCT application no patent term | no patent term |
| US 7,944,602 | this patent May 2019 | May 2019 |
| US 8,184,358 | Lapsed on the fee record May 2016 | May 2016 |
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 |
|---|---|---|---|
| Mar 16, 2010 Reel 24092, frame 405 | Chui, Clarence | Idc, LLC | Assignment of Assignor's Interest |
| Mar 16, 2010 Reel 24092, frame 410 | Idc, LLC | Qualcomm Mems Technologies, Inc. | Assignment of Assignor's Interest |
| Aug 31, 2016 Reel 39891, frame 1 | Qualcomm Mems Technologies, Inc. | Snaptrack, Inc. | 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.
Citations
34
later US patents cite this one
That is top 25% 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.