Lapsed Oct 11, 2023 on the fee record · Medium confidence
20-year base term ends Aug 20, 2028
Why Medium: A terminal disclaimer is on file (approved) with no resolved reference, so the term may end earlier.
Third maintenance fee unpaid; grace period ended.
Held by Varroc Lighting Systems S.R.O.
Filed Feb 8, 2011 as application 13/022,887 · Granted Oct 11, 2011
Base term, 20 years from filing
Today
Lapsed Oct 11, 2023
2008
2028
Clock starts
Aug 20, 2008
Aug 20, 2008
No longer in force
Oct 11, 2023
Oct 11, 2023
Granted
Oct 11, 2011
Oct 11, 2011
Term would have run to
Aug 20, 2028
Aug 20, 2028
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.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
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.
2
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 20, 2028: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 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 Aug 20, 2008, when application 12/194,663, the earliest non-provisional in its chain, was filed (this one was filed Feb 8, 2011) | Aug 20, 2028 | 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 on file (approved), reference document not resolved | no cap applied, and none guessed | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Oct 11, 2023 | High confidence |
| Computed term end | The steps above, in order | Oct 11, 2023 | Medium confidence |
This family
| US 7,883,251 | In force Jul 2029 | Jul 2029 |
| US 8,033,702 | this patent Oct 2023 | Oct 2023 |
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 |
|---|---|---|---|
| Feb 8, 2011 Reel 25801, frame 780 | Ansari, Ajmal I.; Sayers, Edwin M. | Visteon Global Technologies, Inc. | Assignment of Assignor's Interest |
| Oct 2, 2013 reel/frame not recorded | Visteon Global Technologies, Inc. | Varroccorp Holding B.V. | Amendment to Assignment |
| Oct 2, 2013 reel/frame not recorded | Visteon Global Technologies, Inc. | Varroc Engineering Private Limited | Amendment to Assignment |
| Oct 2, 2013 reel/frame not recorded | Visteon Global Technologies, Inc. | Varroc Lighting Systems S.R.O. | Amendment to Assignment |
| Oct 2, 2013 Reel 31332, frame 855 | Visteon Global Technologies, Inc. | Varroccorp Holding B.V.; Varroc Engineering Private Limited; Varroc Lighting Systems S.R.O. | Amendment to Assignment |
| Nov 25, 2013 Reel 31719, frame 45 | Varroccorp Holding B.V.; Varroc Engineering Private Limited | Varroc Lighting Systems S.R.O. | 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.
What's changing
Note
A terminal disclaimer is on file and its reference is not resolved. No cap is applied and none is guessed
Open question
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Oct 11, 2023. We will not guess the cap.
Citations
0
later US patents cite this one
That is below the median 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.