Also listed on Mobius Microsystems, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Sep 2, 2026 (Wells Fargo Bank, National Association).
Term ends May 23, 2027 · Medium confidence
20-year base term ended Mar 21, 2025
Why Medium: A parent in the chain could not be resolved.
Held by Sitime Corporation
Filed Dec 30, 2007 as application 11/967,236 · Granted Jan 10, 2012
Base term plus 793 days of patent term adjustment (USPTO delay)
Today
2005
2027
Clock starts
Mar 21, 2005
Mar 21, 2005
Term ends
May 23, 2027
May 23, 2027
Granted
Jan 10, 2012
Jan 10, 2012
base term
patent term adjustment
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
793
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
33
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 793 days past its 20-year base term on 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 Mar 21, 2005, when applications 11/084,962 and 11/085,372, the earliest non-provisional applications in its chain, were filed (this one was filed Dec 30, 2007); a parent in its chain could not be resolved (the next row) | Mar 21, 2025 | 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 | +793 days, USPTO patent term adjustment record | May 23, 2027 | 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 | May 23, 2027 | Medium confidence |
This family
| US 7,227,423 | Term ended Mar 2025 | Mar 2025 |
| US 7,227,424 | Term ended Mar 2025 | Mar 2025 |
| US 7,456,699 | Term ended no later than Mar 2025 | no later than Mar 2025 |
| US 7,248,124 | Term ended Jul 2025 | Jul 2025 |
| Application PCT/US2005/034016 | PCT application no patent term | no patent term |
| Application PCT/US2005/033979 | PCT application no patent term | no patent term |
| Application PCT/US2005/034020 | PCT application no patent term | no patent term |
| US 7,307,486 | Term ended Jun 2025 | Jun 2025 |
8 of 33 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 |
|---|---|---|---|
| Dec 15, 2009 Reel 23657, frame 881 | Pernia, Scott Michael; Cenger, Tunc Mahmut | Mobius Microsystems, Inc. | Assignment of Assignor's Interest |
| Mar 2, 2010 Reel 24016, frame 414 | Mobius Microsystems, Inc. | Integrated Device Technology, Inc. | Nunc Pro Tunc Assignment |
| Apr 5, 2017 Reel 42166, frame 431 | Integrated Device Technology, Inc.; Gigpeak, Inc.; Magnum Semiconductor, Inc.; Endwave Corporation; Chipx, Incorporated | JPMorgan Chase Bank, N.A., as Collateral Agent | Security Agreement |
| Mar 29, 2019 Reel 48746, frame 1 | Jpmorgan Chase Bank, N.a. | Integrated Device Technology, Inc.; Gigpeak, Inc.; Chipx, Incorporated; Endwave Corporation; Magnum Semiconductor, Inc. | Release of Security Interest |
| Mar 29, 2019 reel/frame not recorded | Jpmorgan Chase Bank, N.a. | Integrated Device Technology, Inc. | Release of Security Interest |
| Mar 29, 2019 reel/frame not recorded | Jpmorgan Chase Bank, N.a. | Gigpeak, Inc. | Release of Security Interest |
| Mar 29, 2019 reel/frame not recorded | Jpmorgan Chase Bank, N.a. | Chipx, Incorporated | Release of Security Interest |
| Mar 29, 2019 reel/frame not recorded | Jpmorgan Chase Bank, N.a. | Endwave Corporation | Release of Security Interest |
| Mar 29, 2019 reel/frame not recorded | Jpmorgan Chase Bank, N.a. | Magnum Semiconductor, Inc. | Release of Security Interest |
| Jan 26, 2026 Reel 74479, frame 354 | Integrated Device Technology, Inc. (Delaware) | Integrated Device Technology, Inc. (California) | Entity Conversion |
| Jan 27, 2026 Reel 74577, frame 935 | Renesas Electronics America Inc.; Integrated Device Technology, Inc. | Renesas Electronics America Inc. | Merger and Change of Name |
| Aug 27, 2026 Reel 75811, frame 217 | Renesas Electronics America Inc. | Sitime Corporation | Assignment of Assignor's Interest |
| Sep 2, 2026 Reel 76353, frame 112 | Sitime Corporation | Wells Fargo Bank, National Association, as Collateral Agent | 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.
What's changing
May 2027
Term ends May 23, 2027. No further fees fall due before then
Note
The 793 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
35
later US patents cite this one
That is top 25% of utility patents granted in 2012 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.