Term ends Mar 4, 2036 · High confidence
20-year base term ends May 29, 2035
Held by Boston Scientific Scimed, Inc.
Filed Nov 29, 2017 as application 15/577,924 · Granted Jan 12, 2021
Base term plus 280 days of patent term adjustment (USPTO delay)
Today
2015
2036
Clock starts
May 29, 2015
May 29, 2015
Term ends
Mar 4, 2036
Mar 4, 2036
Granted
Jan 12, 2021
Jan 12, 2021
base term
patent term adjustment
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
280
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.
33
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 280 days past its 20-year base term on prosecution delay. 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 May 29, 2015, when application PCT/EP2015/001097, the earliest non-provisional in its chain, was filed (this one was filed Nov 29, 2017) | May 29, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +280 days, USPTO patent term adjustment record | Mar 4, 2036 | 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 | Mar 4, 2036 | High confidence |
This family
| US 10,143,374 | In force Sep 2035 | Sep 2035 |
| US 10,622,647 | In force Nov 2037 | Nov 2037 |
| US 10,201,277 | In force no later than Oct 2036 | no later than Oct 2036 |
| US 10,813,590 | In force Jun 2038 | Jun 2038 |
| US 10,888,391 | this patent Mar 2036 | Mar 2036 |
| US 10,888,236 | In force Sep 2035 | Sep 2035 |
| US 10,820,800 | In force Sep 2035 | Sep 2035 |
| US 11,471,114 | In force Aug 2036 | Aug 2036 |
8 of 33 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 |
|---|---|---|---|
| Dec 1, 2017 Reel 44275, frame 707 | Ruppersberg, Peter, DR | Ablacon Inc. | Assignment of Assignor's Interest |
| Aug 13, 2018 Reel 46775, frame 666 | Ablacon Inc. | Epix Therapeutics, Inc. | Security Interest |
| Jul 17, 2019 Reel 49782, frame 219 | Epix Therapeutics, Inc. | Ablacon Inc. | Release of Security Interest |
| Jul 18, 2019 Reel 49801, frame 716 | Ablacon Inc. | Venture Lending & Leasing IX, Inc.; Venture Lending & Leasing VIII, Inc. | Security Interest |
| Jul 18, 2019 reel/frame not recorded | Ablacon Inc. | Venture Lending & Leasing IX, Inc. | Security Interest |
| Jul 18, 2019 reel/frame not recorded | Ablacon Inc. | Venture Lending & Leasing VIII, Inc. | Security Interest |
| Aug 23, 2024 Reel 68378, frame 725 | Ablacon Inc. | Cortex, Inc. | Merger |
| Oct 2, 2024 Reel 68770, frame 224 | Venture Lending & Leasing IX, Inc.; Venture Lending & Leasing VIII, Inc. | Ablacon Inc. | Release of Security Interest |
| Jan 14, 2026 Reel 73468, frame 615 | Cortex, Inc. | Boston Scientific Scimed, Inc. | 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
Mar 2036
Term ends Mar 4, 2036. Maintenance fees still fall due before then
Note
The 280 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
1
later US patent cites this one
That is below the median 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.