Collateral for a security interest recorded Jan 21, 2026 (Bank of Montreal).
Term ends Jun 27, 2034 · High confidence
20-year base term ends Jun 27, 2034
Held by Surmodics MD, LLC
Filed Feb 23, 2018 as application 15/904,026 · Granted May 25, 2021
Base term, 20 years from filing
Today
2014
2034
Clock starts
Jun 27, 2014
Jun 27, 2014
Term ends
Jun 27, 2034
Jun 27, 2034
Granted
May 25, 2021
May 25, 2021
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
None
Term adjustment
No prosecution delay on this record.
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.
8
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. 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 Jun 27, 2014, when application PCT/US2014/044519, the earliest non-provisional in its chain, was filed (this one was filed Feb 23, 2018) | Jun 27, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 | Jun 27, 2034 | High confidence |
This family
| Application PCT/US2014/044519 | PCT application no patent term | no patent term |
| US 9,937,321 | In force Aug 2034 | Aug 2034 |
| US 10,702,674 | In force Feb 2035 | Feb 2035 |
| Application PCT/US2017/033319 | PCT application no patent term | no patent term |
| US 11,013,890 | this patent Jun 2034 | Jun 2034 |
| US 12,076,502 | In force Oct 2034 | Oct 2034 |
| US 12,415,054 | In force Sep 2034 | Sep 2034 |
| Application 19/304,328 | Pending 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 23, 2024 Reel 68762, frame 423 | Surmodics, Inc.; Surmodics Shared Services, LLC; Surmodics Holdings, LLC; Surmodics Coatings, LLC; Surmodics MD, LLC; Surmodics Coatings MFG, LLC; Surmodics Ivd, Inc.; Surmodics MD Operations, LLC; Normedix, Inc. | Midcap Funding IV Trust | Security Interest |
| Nov 24, 2025 Reel 73690, frame 186 | Midcap Funding IV Trust | Surmodics, Inc.; Surmodics Shared Services, LLC; Surmodics Holdings, LLC; Surmodics Coatings, LLC; Surmodics MD, LLC; Surmodics Coatings MFG, LLC; Surmodics Ivd, Inc.; Surmodics MD Operations, LLC; Normedix, Inc. | Release of Security Interest |
| Nov 24, 2025 reel/frame not recorded | Midcap Funding IV Trust | Surmodics, Inc. | Release of Security Interest |
| Nov 24, 2025 reel/frame not recorded | Midcap Funding IV Trust | Surmodics Shared Services, LLC | Release of Security Interest |
| Nov 24, 2025 reel/frame not recorded | Midcap Funding IV Trust | Surmodics Holdings, LLC | Release of Security Interest |
| Nov 24, 2025 reel/frame not recorded | Midcap Funding IV Trust | Surmodics Coatings, LLC | Release of Security Interest |
| Nov 24, 2025 reel/frame not recorded | Midcap Funding IV Trust | Surmodics MD, LLC | Release of Security Interest |
| Nov 24, 2025 reel/frame not recorded | Midcap Funding IV Trust | Surmodics Coatings MFG, LLC | Release of Security Interest |
| Nov 24, 2025 reel/frame not recorded | Midcap Funding IV Trust | Surmodics Ivd, Inc. | Release of Security Interest |
| Nov 24, 2025 reel/frame not recorded | Midcap Funding IV Trust | Surmodics MD Operations, LLC | Release of Security Interest |
| Nov 24, 2025 reel/frame not recorded | Midcap Funding IV Trust | Normedix, Inc. | Release of Security Interest |
| Dec 8, 2025 Reel 73894, frame 58 | Surmodics, Inc. | Surmodics MD, LLC | Assignment of Assignor's Interest |
| Jan 21, 2026 Reel 74461, frame 199 | Surmodics MD, LLC | Bank Of Montreal, As Collateral Agent | 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
Jun 2034
Term ends Jun 27, 2034. Maintenance fees still fall due before then
Citations
5
later US patents cite this one
That is above 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.