Collateral for a security interest recorded Oct 8, 2025 (Hercules Capital, Inc.).
Term ends Jun 9, 2036 · High confidence
20-year base term ends Jun 9, 2036
Held by Mandos LLC
Filed Apr 27, 2017 as application 15/499,831 · Granted Apr 16, 2019
Base term, 20 years from filing
Today
2016
2036
Clock starts
Jun 9, 2016
Jun 9, 2016
Term ends
Jun 9, 2036
Jun 9, 2036
Granted
Apr 16, 2019
Apr 16, 2019
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 9,675,634, to Jun 9, 2036. The term already ends on or before that date, so the cap shortened nothing.
2 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.
49
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 2 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 Jun 9, 2016, when application 15/178,153, the earliest non-provisional in its chain, was filed (this one was filed Apr 27, 2017) | Jun 9, 2036 | 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 | Disclaimer resolved from the filed document (refs US 9,675,634) | resolves to Jun 9, 2036, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jun 9, 2036 | High confidence |
This family
| Application 15/178,153 | Abandoned not computed | not computed |
| US 9,675,634 | In force Jun 2036 | Jun 2036 |
| US 10,258,641 | this patent Jun 2036 | Jun 2036 |
| US 10,300,086 | In force Jun 2036 | Jun 2036 |
| US 10,709,730 | In force Jun 2036 | Jun 2036 |
| US 10,933,083 | In force Jun 2036 | Jun 2036 |
| US 11,406,657 | In force Jun 2036 | Jun 2036 |
| US 11,541,074 | In force Jun 2036 | Jun 2036 |
8 of 49 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 |
|---|---|---|---|
| Oct 26, 2017 Reel 43960, frame 862 | Machielse, Bernardus Nicolaas; Darling, Allan | Vtesse, Inc. | Assignment of Assignor's Interest |
| Oct 31, 2017 Reel 43994, frame 850 | Vtesse Inc. | JPMorgan Chase Bank, N.A., as Administrative Agent | Security Interest |
| Feb 13, 2018 Reel 44909, frame 699 | JPMorgan Chase Bank, N.A., as Administrative Agent | Vtesse Inc. | Release of Security Interest |
| Feb 13, 2018 Reel 45314, frame 654 | Vtesse Inc. | Deutsche Bank AG New York Branch, as Collateral Agent | Notice of Grant of Security Interest in Intellectual Property |
| Dec 10, 2019 Reel 51256, frame 829 | Mallinckrodt Ard IP Limited; Mallinckrodt Hospital Products IP Limited; Specgx LLC; Ocera Therapeutics, Inc.; Mallinckrodt Pharma IP Trading Designated Activity Company; Stratatech Corporation; Vtesse Inc.; Mallinckrodt LLC | Wilmington Savings Fund Society, FSB, as Second Lien Collateral Agent | Security Interest |
| Jul 15, 2021 Reel 56872, frame 369 | Vtesse LLC | Mandos LLC | Assignment of Assignor's Interest |
| Jun 17, 2022 Reel 60389, frame 839 | Wilmington Savings Fund Society, FSB, as Second Lien Collateral Agent | Ocera Therapeutics, Inc.; Mallinckrodt LLC; Mallinckrodt Ard IP Unlimited Company (F/K/A Mallinckrodt Ard IP Limited); Mallinckrodt Hospital Products IP Unlimited Company (F/K/A Mallinckrodt Hospital Products IP Limited); Mallinckrodt Pharma IP Trading Unlimited Company (F/K/A Mallinckrodt Pharma IP Trading Designated Activity Company); Specgx LLC; Stratatech Corporation; Vtesse LLC (F/K/A Vtesse Inc.) | Release of Security Interest |
| Jun 17, 2022 reel/frame not recorded | Wilmington Savings Fund Society, FSB, as Second Lien Collateral Agent | Ocera Therapeutics, Inc. | Release of Security Interest |
| Jun 17, 2022 reel/frame not recorded | Wilmington Savings Fund Society, FSB, as Second Lien Collateral Agent | Mallinckrodt LLC | Release of Security Interest |
| Jun 17, 2022 reel/frame not recorded | Wilmington Savings Fund Society, FSB, as Second Lien Collateral Agent | Mallinckrodt Ard IP Unlimited Company (F/K/A Mallinckrodt Ard IP Limited) | Release of Security Interest |
| Jun 17, 2022 reel/frame not recorded | Wilmington Savings Fund Society, FSB, as Second Lien Collateral Agent | Mallinckrodt Hospital Products IP Unlimited Company (F/K/A Mallinckrodt Hospital Products IP Limited) | Release of Security Interest |
| Jun 17, 2022 reel/frame not recorded | Wilmington Savings Fund Society, FSB, as Second Lien Collateral Agent | Mallinckrodt Pharma IP Trading Unlimited Company (F/K/A Mallinckrodt Pharma IP Trading Designated Activity Company) | Release of Security Interest |
| Jun 17, 2022 reel/frame not recorded | Wilmington Savings Fund Society, FSB, as Second Lien Collateral Agent | Specgx LLC | Release of Security Interest |
| Jun 17, 2022 reel/frame not recorded | Wilmington Savings Fund Society, FSB, as Second Lien Collateral Agent | Stratatech Corporation | Release of Security Interest |
| Jun 17, 2022 reel/frame not recorded | Wilmington Savings Fund Society, FSB, as Second Lien Collateral Agent | Vtesse LLC (F/K/A Vtesse Inc.) | Release of Security Interest |
| Jul 14, 2025 Reel 71937, frame 425 | Deutsche Bank AG New York Branch | Vtesse Inc. | Release of Security Interest |
| Oct 8, 2025 Reel 73056, frame 214 | Beren Therapeutics P.B.C.; Mandos LLC | Hercules Capital, Inc., as 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 2036
Term ends Jun 9, 2036. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 9,675,634, ends no earlier than this term, so it caps nothing.
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2019 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.