Collateral for a security interest recorded May 22, 2019 (Bspace Investments Limited).
Term ended Sep 3, 2026 · High confidence
20-year base term ended May 8, 2026
Held by Zspace, Inc.
Filed May 2, 2014 as application 14/268,386 · Granted Mar 22, 2016
Base term plus 118 days of patent term adjustment (USPTO delay)
Today
Term ended Sep 3, 2026
2006
2026
Clock starts
May 8, 2006
May 8, 2006
Term ended
Sep 3, 2026
Sep 3, 2026
Granted
Mar 22, 2016
Mar 22, 2016
base term
patent term adjustment
after the term ends
fee events
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
118
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
4
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 118 days past its 20-year base term on prosecution delay. 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 8, 2006, when application 11/429,829, the earliest non-provisional in its chain, was filed (this one was filed May 2, 2014) | May 8, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +118 days, USPTO patent term adjustment record | Sep 3, 2026 | 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 | 2 of 2 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Sep 3, 2026 | High confidence |
This family
| US 7,907,167 | In force Jan 2030 | Jan 2030 |
| US 8,717,423 | In force Oct 2027 | Oct 2027 |
| US 9,292,962 | this patent Sep 2026 | Sep 2026 |
| US 9,684,994 | Term ended May 2026 | May 2026 |
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 |
|---|---|---|---|
| Jul 3, 2014 Reel 33239, frame 312 | Vesely, Michael A.; Clemens, Nancy L.; Gray, Alan S. | Zspace, Inc. | Assignment of Assignor's Interest |
| Jan 2, 2018 Reel 44985, frame 721 | Zspace, Inc. (F/K/A Infinite Z, Inc.) | Runway Growth Credit Fund Inc. | Security Interest |
| May 8, 2019 Reel 49113, frame 898 | Runway Growth Credit Fund Inc. | Zspace, Inc. (F/K/A Infinite Z, Inc.) | Release of Security Interest |
| May 22, 2019 Reel 49259, frame 533 | Zspace, Inc. | Bspace Investments Limited | Security Interest |
| Sep 17, 2021 Reel 57651, frame 222 | Zpace, Inc. | East West Bank | Security Interest |
| Feb 6, 2023 Reel 62640, frame 162 | East West Bank | Zspace, Inc. | Release of Patent Security Agreement |
| Apr 14, 2025 Reel 70826, frame 887 | Zspace, Inc. | 3I, L.P. | Security Interest |
| Oct 15, 2026 Reel 76730, frame 227 | Zspace, Inc. | Vection Technologies Ltd. | Security 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
Note
The 118 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
13
later US patents cite this one
That is above the median of utility patents granted in 2016 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.