Term ends Sep 16, 2035 · High confidence
20-year base term ends May 22, 2034
Held by PGS Geophysical As
Filed May 12, 2016 as application 15/153,467 · Granted Nov 26, 2019
Base term plus 482 days of patent term adjustment (USPTO delay)
Today
2014
2035
Clock starts
May 22, 2014
May 22, 2014
Term ends
Sep 16, 2035
Sep 16, 2035
Granted
Nov 26, 2019
Nov 26, 2019
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
482
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 9,864,080, to Sep 16, 2035. The term already ends on or before that date, so the cap shortened nothing.
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.
9
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 482 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 1 of 3 maintenance fees is paid so far. 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 May 22, 2014, when application 14/284,847, the earliest non-provisional in its chain, was filed (this one was filed May 12, 2016) | May 22, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +482 days, USPTO patent term adjustment record | Sep 16, 2035 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,864,080) | resolves to Sep 16, 2035, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 16, 2035 | High confidence |
This family
| Application 61/904,866 | Provisional application no patent term | no patent term |
| Application 61/904,886 | Provisional application no patent term | no patent term |
| US 9,618,637 | In force May 2034 | May 2034 |
| US 9,341,725 | In force May 2034 | May 2034 |
| US 9,507,037 | In force May 2034 | May 2034 |
| US 9,360,574 | In force May 2034 | May 2034 |
| US 10,670,747 | In force May 2036 | May 2036 |
| US 10,488,536 | this patent Sep 2035 | Sep 2035 |
8 of 9 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 |
|---|---|---|---|
| May 13, 2016 Reel 38592, frame 962 | Tenghamn, Stig Rune Lennart; Snodgrass, Jonathan David; Löfgren, Bo Carl Fredrik; Ryttersson, Karl-henrik | PGS Geophysical As | 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.
What's changing
Sep 2035
Term ends Sep 16, 2035. Maintenance fees still fall due before then
Note
The 482 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 9,864,080, ends no earlier than this term, so it caps nothing.
Citations
0
later US patents cite this one
That is below the median 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.