Collateral for a security interest recorded Jan 21, 2026 (Bank of Montreal).
Term ends Sep 25, 2034 · High confidence
20-year base term ends Jun 27, 2034
Held by Normedix, Inc.
Filed Jun 12, 2023 as application 18/208,858 · Granted Sep 16, 2025
Base term plus 90 days of patent term adjustment (USPTO delay)
Today
2014
2034
Clock starts
Jun 27, 2014
Jun 27, 2014
Term ends
Sep 25, 2034
Sep 25, 2034
Granted
Sep 16, 2025
Sep 16, 2025
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
90
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 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. 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 runs 90 days past its 20-year base term on prosecution delay. 0 of 2 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 Jun 27, 2014, when application PCT/US2014/044519, the earliest non-provisional in its chain, was filed (this one was filed Jun 12, 2023) | Jun 27, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +90 days, USPTO patent term adjustment record | Sep 25, 2034 | 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 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 25, 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 | In force Jun 2034 | Jun 2034 |
| US 12,076,502 | In force Oct 2034 | Oct 2034 |
| US 12,415,054 | this patent 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 |
|---|---|---|---|
| Jul 15, 2024 Reel 67989, frame 966 | Ganske, Karl V.; Welch, Jeffrey M.; Sutton, Gregg Stuart | Normedix, Inc. | 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.
What's changing
Sep 2034
Term ends Sep 25, 2034. Maintenance fees still fall due before then
Note
The 90 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
Fewer than half of the utility patents granted in 2025 in our data have been cited yet, so we show the count and do not rank on it.
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.