Term ends Aug 9, 2036 · High confidence
20-year base term ends Aug 9, 2036
Held by Stratasys, Inc.
Filed Apr 4, 2017 as application 15/479,055 · Granted Dec 8, 2020
Base term plus 519 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2016
2036
Clock starts
Aug 9, 2016
Aug 9, 2016
Term ends
Aug 9, 2036
Aug 9, 2036
Granted
Dec 8, 2020
Dec 8, 2020
base term
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
519
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 9,656,429.
1 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. 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 519 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 1 of 3 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 Aug 9, 2016, when application 15/232,767, the earliest non-provisional in its chain, was filed (this one was filed Apr 4, 2017) | Aug 9, 2036 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +519 days, USPTO patent term adjustment record | Jan 10, 2038 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,656,429) | capped to Aug 9, 2036 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 9, 2036 | High confidence |
This family
| US 9,656,429 | In force Aug 2036 | Aug 2036 |
| US 10,857,778 | this patent Aug 2036 | Aug 2036 |
| Application PCT/US2017/045986 | PCT application no patent term | no patent term |
| Application 16/495,383 | Abandoned not computed | not computed |
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 |
|---|---|---|---|
| Aug 8, 2017 Reel 43235, frame 814 | Mantha, Chandrashekar; Woytowitz, Peter; Mondesir, Wiener; Bheda, Hemant | Arevo, Inc. | Assignment of Assignor's Interest |
| Aug 31, 2023 Reel 64789, frame 954 | Arevo, Inc. | McGeary Cukor LLC | Security Interest |
| Sep 18, 2023 Reel 64942, frame 384 | Arevo, Inc. | Stratasys, Inc. | Assignment of Assignor's Interest |
| Sep 20, 2023 Reel 64959, frame 783 | McGeary Cukor LLC | Arevo 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
Aug 2036
Term ends Aug 9, 2036. Maintenance fees still fall due before then
Note
The 519 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 9,656,429.
Citations
8
later US patents cite this one
That is top 25% of utility patents granted in 2020 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.