Quantinuum LLC
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.
Previously recorded as Cambridge Quantum Computing Limited (to 2023)
0
Ending by 2030
Mar 2033
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.
- 2 fees due Nov 28, 2026
- 1 fee due Dec 13, 2026The maintenance fee for Testing Environment for Cryogenic Chamber (US 11,674,738) comes due Dec 13, 2026. Unpaid by Jun 14, 2027, it lapses early.
- 1 fee due Jan 2, 2027The maintenance fee for Single Cell Apparatus and Method for Single Ion Addressing (US 10,340,052) comes due Jan 2, 2027. Unpaid by Jul 2, 2027, it lapses early.
- 1 fee due Feb 13, 2027The maintenance fee for Adaptive Optical Zoom Systems and Methods (US 10,379,324) comes due Feb 13, 2027. Unpaid by Aug 13, 2027, it lapses early.
- 2 fees due Apr 3, 2027
- 4 fees due Jul 2 to 28, 2027 · next Jul 2
- 3 fees due Aug 4 to 13, 2027 · next Aug 4
- 2 fees due Sep 12 to 15, 2027 · next Sep 12
- 1 fee due Oct 30, 2027The maintenance fee for Decreased Crosstalk Atomic Object Detection (US 11,972,322) comes due Oct 30, 2027. Unpaid by May 1, 2028, it lapses early.
Recent changes
- 6 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 9,758,364 | Microstructure Plating Systems In force · High confidence | In force | High confidence | |
| US 10,379,324 | Adaptive Optical Zoom Systems and Methods In force · High confidence | In force | High confidence | |
| US 9,371,222 | Microstructure Plating Systems and Methods In force · High confidence | In force | High confidence | |
| US 9,585,237 | Micro-Structured Atomic Source System In force · High confidence | In force | High confidence | |
| US 9,788,407 | Micro-Structured Atomic Source System In force · High confidence | In force | High confidence | |
| US 10,178,753 | Micro-Structured Atomic Source System In force · High confidence | In force | High confidence | |
| US 9,287,348 | Devices, Systems, and Methods for Ion Trapping In force · High confidence | In force | High confidence | |
| US 9,647,055 | Devices, Systems, and Methods for Ion Trapping In force · High confidence | In force | High confidence | |
| US 10,084,034 | Devices, Systems, and Methods for Ion Trapping In force · High confidence | In force | High confidence | |
| US 10,119,913 | Die-Integrated Aspheric Mirror In force · High confidence | In force | High confidence |
Also on record, not counted in the 102: 3 patents in force now held by others. 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.
63 pending · 7 no status recorded