Term ends Jul 11, 2039 · High confidence
20-year base term ends Jan 25, 2037
Held by Bfly Operations, Inc.
Filed Jun 19, 2017 as application 15/626,711 · Granted Aug 1, 2023
Base term plus 897 days of patent term adjustment (USPTO delay)
Today
2017
2039
Clock starts
Jan 25, 2017
Jan 25, 2017
Term ends
Jul 11, 2039
Jul 11, 2039
Granted
Aug 1, 2023
Aug 1, 2023
base term
patent term adjustment
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
897
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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.
16
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 897 days past its 20-year base term on prosecution delay. 0 of 3 maintenance fees are 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 Jan 25, 2017, when application 15/415,434, the earliest non-provisional in its chain, was filed (this one was filed Jun 19, 2017) | Jan 25, 2037 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +897 days, USPTO patent term adjustment record | Jul 11, 2039 | 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 | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 11, 2039 | High confidence |
This family
| US 10,856,840 | In force Jan 2037 | Jan 2037 |
| US 11,712,221 | this patent Jul 2039 | Jul 2039 |
| US 10,702,242 | In force Jun 2037 | Jun 2037 |
| US 11,446,001 | In force Jan 2037 | Jan 2037 |
| Application 15/631,729 | Abandoned not computed | not computed |
| US 11,311,274 | In force Jan 2037 | Jan 2037 |
| Application 15/631,777 | Abandoned not computed | not computed |
| Application 16/112,436 | Abandoned not computed | not computed |
8 of 16 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 2, 2018 Reel 44817, frame 354 | Rothberg, Jonathan M.; Alie, Susan A.; Sanchez, Nevada J.; Ralston, Tyler S.; McNulty, Christopher Thomas; Zahorian, Jaime Scott; Cristman, Paul Francis; De Jonge, Matthew; Fife, Keith G. | Butterfly Network, Inc. | Assignment of Assignor's Interest |
| Nov 18, 2021 Reel 58898, frame 250 | Butterfly Network, Inc. | Bfly Operations, Inc. | Change of Name |
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
Jul 2039
Term ends Jul 11, 2039. Maintenance fees still fall due before then
Note
The 897 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
37
later US patents cite this one
That is top 5% 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.