Lapsed Sep 24, 2023 on the fee record · High confidence
20-year base term ends Nov 28, 2027
First maintenance fee unpaid; grace period ended.
Held by Teledyne Flir, LLC
Filed Aug 23, 2013 as application 13/975,104 · Granted Sep 24, 2019
Base term, 20 years from filing, plus 400 days of patent term adjustment (USPTO delay)
Today
Lapsed Sep 24, 2023
2007
2029
Clock starts
Nov 28, 2007
Nov 28, 2007
No longer in force
Sep 24, 2023
Sep 24, 2023
Granted
Sep 24, 2019
Sep 24, 2019
Term would have run to
Jan 1, 2029
Jan 1, 2029
base term
patent term adjustment
after the term ends
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
400
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
10
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 Jan 1, 2029: its 20-year base term plus 400 days of term 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 Nov 28, 2007, when applications 11/946,798 and 11/946,801, the earliest non-provisional applications in its chain, were filed (this one was filed Aug 23, 2013) | Nov 28, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +400 days, USPTO patent term adjustment record | Jan 1, 2029 | 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 | 0 of 2 maintenance fees paid | lapsed Sep 24, 2023 | High confidence |
| Computed term end | The steps above, in order | Sep 24, 2023 | High confidence |
This family
| US 8,384,780 | In force Oct 2031 | Oct 2031 |
| US 8,817,106 | In force Sep 2030 | Sep 2030 |
| Application 12/973,371 | Abandoned not computed | not computed |
| Application PCT/US2011/064979 | PCT application no patent term | no patent term |
| Application PCT/US2012/026187 | PCT application no patent term | no patent term |
| US 9,047,745 | In force Feb 2029 | Feb 2029 |
| US 8,659,661 | In force Nov 2027 | Nov 2027 |
| US 10,425,595 | this patent Sep 2023 | Sep 2023 |
8 of 10 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 |
|---|---|---|---|
| Feb 19, 2014 Reel 32243, frame 909 | Frank, Jeffrey D.; Chappaz, Yves; Deal, Mary L.; Richardson, Patrick B.; Richards, Austin A.; Hogasten, Nicholas; Woolaway, James T. | Flir Systems, Inc. | Assignment of Assignor's Interest |
| Nov 24, 2021 Reel 58832, frame 915 | Flir Systems, Inc.; Firework Merger Sub II, LLC | Teledyne Flir, LLC | Merger and Change of Name |
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
The 400 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
39
later US patents cite this one
That is top 10% of utility patents granted in 2019 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.