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 Sep 7, 2038 · 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 Dec 13, 2018 as application 16/219,125 · Granted Mar 28, 2023
Base term plus 1017 days of patent term adjustment (USPTO delay)
Today
2015
2038
Clock starts
Nov 25, 2015
Nov 25, 2015
Term ends
Sep 7, 2038
Sep 7, 2038
Granted
Mar 28, 2023
Mar 28, 2023
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
1,017
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 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 1017 days past its 20-year base term on prosecution delay. 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 14/952,895, the earliest non-provisional in its chain, was filed (this one was filed Dec 13, 2018); 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 | +1017 days, USPTO patent term adjustment record | Sep 7, 2038 | 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 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 7, 2038 | Medium confidence |
This family
| US 9,610,307 | In force Nov 2035 | Nov 2035 |
| Application 15/438,271 | Abandoned not computed | not computed |
| US 11,612,622 | this patent Sep 2038 | Sep 2038 |
| US 11,607,432 | In force Mar 2037 | Mar 2037 |
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 25, 2019 Reel 48997, frame 178 | Kaplan, Johanne | Epiva Biosciences, Inc. | Assignment of Assignor's Interest |
| Apr 25, 2019 Reel 48997, frame 253 | Epiva Biosciences, Inc. | Evelo Biosciences, Inc. | Merger |
| Apr 25, 2019 Reel 48997, frame 186 | Berry, David | Flagship Ventures Management, Inc. | Assignment of Assignor's Interest |
| Apr 25, 2019 Reel 48997, frame 198 | Flagship Ventures Management, Inc. | Evelo Biosciences, Inc. | Assignment of Assignor's Interest |
| Apr 25, 2019 Reel 48996, frame 970 | Rahman, Shaila | Flagship Pioneering, Inc. (F/K/A Flagship Ventures Management, 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
Sep 2038
Term ends Sep 7, 2038. Maintenance fees still fall due before then
Note
The 1017 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
7
later US patents cite this one
That is top 10% of utility patents granted in 2023 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.