Element Six Technologies Limited
23 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.
10
Ending by 2030
Jan 2027
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.
- 6 fees due Nov 19 to 26, 2026 · next Nov 19
- 2 fees due Dec 23 to 30, 2026 · next Dec 23
- 1 fee due Jan 30, 2027The maintenance fee for Electronic device component with an integral diamond heat spreader (US 10,366,936) comes due Jan 30, 2027. Unpaid by Jul 30, 2027, it lapses early.
- 1 fee due Feb 6, 2027The maintenance fee for Process for manufacturing synthetic single crystal diamond material using a pressure driven growth process and a plurality of seed pads with each seed pad comprising a plurality of single crystal diamond seeds (US 10,370,773) comes due Feb 6, 2027. Unpaid by Aug 6, 2027, it lapses early.
- 5 fees due Mar 3 to 15, 2027 · next Mar 3
- 3 fees due Apr 8 to 27, 2027 · next Apr 8
- 3 fees due May 7 to 21, 2027 · next May 7
- 1 fee due Jun 15, 2027The maintenance fee for Free-standing non-planar polycrystalline synthetic diamond components and method of fabrication (US 9,210,972) comes due Jun 15, 2027. Unpaid by Dec 15, 2027, it lapses early.
- 1 fee due Jul 16, 2027The maintenance fee for Polycrystalline chemical vapour deposition synthetic diamond material (US 11,873,224) comes due Jul 16, 2027. Unpaid by Jan 18, 2028, it lapses early.
- 1 fee due Aug 27, 2027The maintenance fee for Polycrystalline synthetic diamond material (US 11,913,111) comes due Aug 27, 2027. Unpaid by Feb 28, 2028, it lapses early.
- 1 fee due Sep 17, 2027The maintenance fee for Method of fabricating a plurality of single crystal CVD synthetic diamonds (US 10,590,563) comes due Sep 17, 2027. Unpaid by Mar 17, 2028, it lapses early.
- 1 fee due Oct 19, 2027The maintenance fee for Diamond material (US 9,317,811) comes due Oct 19, 2027. Unpaid by Apr 19, 2028, it lapses early.
- 1 fee due Nov 10, 2027The maintenance fee for Device for achieving multi-photon interference from nitrogen-vacancy defects in diamond material (US 9,335,606) comes due Nov 10, 2027. Unpaid by May 10, 2028, it lapses early.
Recent changes
- 4 of the patents on this record were granted 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 7,740,824 | Optical quality diamond material In force · From the USPTO record | In force | From the USPTO record | |
| US 8,468,707 | Polycrystalline diamond elements having convex surfaces In force · From the USPTO record | In force | From the USPTO record | |
| US 10,011,491 | Plasma Etching of Diamond Surfaces In force · Medium confidence | In force | Medium confidence | |
| US 9,034,296 | Diamond In force · From the USPTO record | In force | From the USPTO record | |
| US 7,964,280 | High colour diamond layer In force · From the USPTO record | In force | From the USPTO record | |
| US 8,273,225 | Solid electrode In force · From the USPTO record | In force | From the USPTO record | |
| US 9,061,263 | Method of improving the crystalline perfection of diamond crystals In force · From the USPTO record | In force | From the USPTO record | |
| US 9,317,811 | Diamond material In force · From the USPTO record | In force | From the USPTO record | |
| US 9,133,566 | High crystalline quality synthetic diamond In force · From the USPTO record | In force | From the USPTO record | |
| US 9,518,338 | Single crystal diamond In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 81: 23 patents in force now held by others · 9 lapsed for an unpaid fee · 15 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.
8 pending · 12 no status recorded