Term ends May 10, 2031 · High confidence
20-year base term ends Nov 9, 2029
Held by 3D Systems, Inc.
Filed Jul 23, 2015 as application 14/807,710 · Granted May 18, 2021
Base term plus 547 days of patent term adjustment (USPTO delay)
Today
2009
2031
Clock starts
Nov 9, 2009
Nov 9, 2009
Term ends
May 10, 2031
May 10, 2031
Granted
May 18, 2021
May 18, 2021
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
547
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 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.
24
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 547 days past its 20-year base term on prosecution delay. 1 of 2 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 Nov 9, 2009, when application 12/615,196, the earliest non-provisional in its chain, was filed (this one was filed Jul 23, 2015) | Nov 9, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +547 days, USPTO patent term adjustment record | May 10, 2031 | 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 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | May 10, 2031 | High confidence |
This family
| US 7,797,072 | In force Sep 2028 | Sep 2028 |
| US 8,005,651 | In force Nov 2029 | Nov 2029 |
| Application 12/820,968 | Abandoned not computed | not computed |
| US 8,986,234 | In force Oct 2030 | Oct 2030 |
| US 8,613,716 | Lapsed on the fee record Dec 2025 | Dec 2025 |
| US 8,417,487 | In force no later than May 2028 | no later than May 2028 |
| Application 13/214,096 | Abandoned not computed | not computed |
| Application PCT/US2012/051612 | PCT application no patent term | no patent term |
8 of 24 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Feb 27, 2019 Reel 48456, frame 17 | 3D Systems, Inc. | HSBC Bank USA, National Association, as Administrative Agent | Security Interest |
| Aug 26, 2021 Reel 57651, frame 374 | HSBC Bank USA, National Association | 3D Systems, Inc. | Release of 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
May 2031
Term ends May 10, 2031. Maintenance fees still fall due before then
Note
The 547 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
22
later US patents cite this one
That is top 10% of utility patents granted in 2021 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.