Also listed on Flagship Pioneering, Inc. (F/K/A Flagship Ventures Management, Inc.), an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Nov 25, 2035 · Medium confidence
20-year base term ends Nov 25, 2035
Why Medium: A parent in the chain could not be resolved.
Held by Pharmabiome AG
Filed Apr 24, 2017 as application 15/495,522 · Granted Dec 22, 2020
Base term, 20 years from filing
Today
2015
2035
Clock starts
Nov 25, 2015
Nov 25, 2015
Term ends
Nov 25, 2035
Nov 25, 2035
Granted
Dec 22, 2020
Dec 22, 2020
base term
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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 9,603,878, US 9,610,307, to Nov 25, 2035. The term already ends on or before that date, so the cap shortened nothing.
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.
2
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 is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 1 of 3 maintenance fees is paid so far. Confidence: Medium. 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 25, 2015, when application 14/952,892, the earliest non-provisional in its chain, was filed (this one was filed Apr 24, 2017); a parent in its chain could not be resolved (the next row) | Nov 25, 2035 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,603,878, US 9,610,307) | resolves to Nov 25, 2035, no earlier than this term, so no change | 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 | Nov 25, 2035 | Medium confidence |
This family
| US 10,869,903 | this patent Nov 2035 | Nov 2035 |
1 of 2 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 |
|---|---|---|---|
| Apr 27, 2018 Reel 45661, frame 894 | Rahman, Shaila | Flagship Pioneering, Inc. (F/K/A Flagship Ventures Management, Inc.) | Assignment of Assignor's Interest |
| Jun 14, 2018 Reel 46095, frame 476 | Kaplan, Johanne | Evelo Biosciences, Inc. | Assignment of Assignor's Interest |
| Jun 14, 2018 Reel 46095, frame 495 | Gordon, Neal | Evelo Biosciences, Inc. | Assignment of Assignor's Interest |
| Jun 14, 2018 Reel 46095, frame 464 | Berry, David; Afeyan, Noubar B. | Flagship Pioneering, Inc. (F/K/A Flagship Ventures Management, Inc.) | Assignment of Assignor's Interest |
| Jun 14, 2018 Reel 46095, frame 506 | Flagship Pioneering, Inc. (F/K/A Flagship Ventures Management, Inc.) | Evelo Biosciences, Inc. | Assignment of Assignor's Interest |
| Jul 14, 2023 Reel 64274, frame 354 | Evelo Biosciences, Inc. | Horizon Technology Finance Corporation | Security Interest |
| Apr 16, 2024 Reel 67118, frame 419 | Horizon Technology Finance Corporation | Evelo Biosciences, Inc. | Release of Security Interest |
| Apr 16, 2024 Reel 67120, frame 665 | Evelo Biosciences, Inc. | Pharmabiome AG | Assignment of Assignor's 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.
What's changing
Nov 2035
Term ends Nov 25, 2035. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 9,603,878, US 9,610,307, ends no earlier than this term, so it caps nothing.
Citations
24
later US patents cite this one
That is top 10% 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.