Total E&P Danmark A/S
3 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 2 name spellings.
Previously recorded as Maersk Olie Og Gas A/S (to 2018)
3
Ending by 2030
Dec 2028
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 1 fee due Nov 28, 2026The maintenance fee for Method for managing production of hydrocarbons from a subterranean reservoir (US 10,301,916) comes due Nov 28, 2026. Unpaid by May 28, 2027, it lapses early.
- 5 fees due Jan 9 to 30, 2027 · next Jan 9
- 2 fees due Feb 4, 2027
- 1 fee due Jun 29, 2027The maintenance fee for Method for sealing an annular space in a wellbore (US 9,222,330) comes due Jun 29, 2027. Unpaid by Dec 29, 2027, it lapses early.
- 2 fees due Aug 2 to 23, 2027 · next Aug 2
Recent changes
- 2 terms have ended since Aug 16, 2026
Patents held now
Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,066,072 | Method of stimulating a well In force · From the USPTO record | In force | From the USPTO record | |
| US 9,267,355 | Completion assembly for stimulating, segmenting and controlling ERD wells In force · From the USPTO record | In force | From the USPTO record | |
| US 8,936,097 | Method and an Apparatus for Downhole Injecting One or More Treatment Fluids In force · High confidence | In force | High confidence | |
| US 9,557,442 | Borehole seismic inversion in anisotropic formation In force · From the USPTO record | In force | From the USPTO record | |
| US 9,222,330 | Method for sealing an annular space in a wellbore In force · From the USPTO record | In force | From the USPTO record | |
| US 9,080,388 | Device and a system and a method of moving in a tubular channel In force · From the USPTO record | In force | From the USPTO record | |
| US 9,097,109 | Injection drill bit In force · From the USPTO record | In force | From the USPTO record | |
| US 9,920,324 | Polycistronic expression system for bacteria In force · From the USPTO record | In force | From the USPTO record | |
| US 9,097,078 | Down hole equipment removal system In force · From the USPTO record | In force | From the USPTO record | |
| US 9,249,645 | Apparatus for sealing off a part of a wall in a section drilled into an earth formation, and a method for applying the apparatus In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 24: 3 patents in force now held by others · 16 lapsed for an unpaid fee · 1 ended at full term. List them
Sources and methods
Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand.
How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
Published applications
US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.
2 no status recorded