Term ends Sep 2, 2037 · High confidence
20-year base term ends Apr 16, 2034
Held by Enverus, Inc.
Filed Apr 16, 2014 as application 14/254,718 · Granted Oct 29, 2019
Base term plus 1235 days of patent term adjustment (USPTO delay)
Today
2014
2037
Clock starts
Apr 16, 2014
Apr 16, 2014
Term ends
Sep 2, 2037
Sep 2, 2037
Granted
Oct 29, 2019
Oct 29, 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
1,235
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
3
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 1235 days past its 20-year base term on prosecution delay. 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 Apr 16, 2014, when this application, 14/254,718, was filed | Apr 16, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1235 days, USPTO patent term adjustment record | Sep 2, 2037 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | Sep 2, 2037 | High confidence |
This family
| US 10,459,098 | this patent Sep 2037 | Sep 2037 |
| US 10,853,893 | In force Apr 2034 | Apr 2034 |
| US 11,704,748 | In force Sep 2034 | Sep 2034 |
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 |
|---|---|---|---|
| Sep 19, 2014 Reel 33777, frame 694 | Grant, Chris; Witte, Dean | Drilling Info, Inc. | Assignment of Assignor's Interest |
| Dec 6, 2016 Reel 40537, frame 831 | Drilling Info, Inc. | Golub Capital Markets LLC, as Administrative Agent | Security Interest |
| Jul 31, 2018 Reel 46508, frame 784 | Golub Capital Markets LLC (F/K/A Gci Capital Markets LLC), as Administrative Agent | Drilling Info, Inc. | Release of Security Interest |
| Jul 31, 2018 Reel 46672, frame 947 | Drilling Info, Inc. | Golub Capital Markets LLC, as Agent | First Lien Intellectual Property Security Agreement |
| Aug 1, 2018 Reel 46527, frame 532 | Globalview Software, Inc.; Drilling Info, Inc. | DBD Credit Funding LLC | Security Interest |
| Oct 28, 2021 Reel 57968, frame 816 | Drilling Info, Inc. | Enverus, Inc. | Change of Name |
| Dec 22, 2023 Reel 65943, frame 580 | DBD Credit Funding LLC | Globalview Software, Inc.; Drilling Info, Inc. | Release of Security Interest |
| Dec 22, 2023 Reel 65943, frame 954 | Enverus, Inc. | Golub Capital Markets LLC, as Collateral Agent | Security Interest |
| Dec 22, 2023 Reel 66122, frame 466 | Golub Capital Markets LLC, as Agent | Drilling Info, Inc. | Release of First Lien Security Interest in Patents at R/F 046672/0947 |
| Dec 22, 2023 reel/frame not recorded | DBD Credit Funding LLC | Globalview Software, Inc. | Release of Security Interest |
| Dec 22, 2023 reel/frame not recorded | DBD Credit Funding LLC | Drilling Info, Inc. | Release of Security Interest |
| Dec 18, 2025 Reel 73262, frame 41 | Enverus, Inc. | Golub Capital Markets LLC, as Collateral Agent | Security Interest |
| Dec 29, 2025 Reel 74103, frame 381 | Golub Capital Markets LLC | Enverus, Inc. | Release of Security Interest in Patents (Reel/Frame 065943/0954) |
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 2037
Term ends Sep 2, 2037. Maintenance fees still fall due before then
Note
The 1235 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
37
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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.