Also listed on Transave, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Oct 19, 2022 (Orbimed Royalty & Credit Opportunities IV, LP).
Term ends Dec 5, 2026 · High confidence
20-year base term ends Dec 5, 2026
Held by Insmed Incorporated
Filed Nov 1, 2012 as application 13/666,420 · Granted Feb 4, 2014
Base term, 20 years from filing
Today
2006
2026
Clock starts
Dec 5, 2006
Dec 5, 2006
Term ends
Dec 5, 2026
Dec 5, 2026
Granted
Feb 4, 2014
Feb 4, 2014
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 8,226,975, to Dec 5, 2026. The term already ends on or before that date, so the cap shortened nothing.
3 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.
17
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. All three maintenance fees are recorded paid; no more fees are due. 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 Dec 5, 2006, when application 11/634,343, the earliest non-provisional in its chain, was filed (this one was filed Nov 1, 2012) | Dec 5, 2026 | 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 8,226,975) | resolves to Dec 5, 2026, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 5, 2026 | High confidence |
This family
| US 8,226,975 | In force Aug 2028 | Aug 2028 |
| US 8,632,804 | In force Dec 2026 | Dec 2026 |
| US 8,679,532 | In force Dec 2026 | Dec 2026 |
| US 8,642,075 | this patent Dec 2026 | Dec 2026 |
| US 8,673,348 | In force Dec 2026 | Dec 2026 |
| US 8,673,349 | In force Dec 2026 | Dec 2026 |
| Application 14/080,922 | Abandoned not computed | not computed |
| US 9,402,845 | In force no later than Dec 2026 | no later than Dec 2026 |
8 of 17 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 |
|---|---|---|---|
| Mar 26, 2013 Reel 30091, frame 118 | Weers, Jeff | Insmed Incorporated | Assignment of Assignor's Interest |
| Jun 22, 2016 Reel 38987, frame 987 | Weers, Jeff | Transave, Inc. | Assignment of Assignor's Interest |
| Jun 22, 2016 Reel 38988, frame 19 | Transave, Inc. | Transave, LLC | Merger |
| Jun 22, 2016 Reel 38988, frame 34 | Transave, LLC | Insmed Incorporated | Assignment of Assignor's Interest |
| Jul 1, 2016 Reel 39235, frame 465 | Transave, LLC | Insmed Incorporated | Corrective Assignment to Correct the Receiving Party Street Address Previously Recorded at Reel: 038947 Frame: 0075. Assignor(S) Hereby Confirms the Assignment. |
| Oct 19, 2022 Reel 61727, frame 39 | Insmed Incorporated | Orbimed Royalty & Credit Opportunities IV, LP | Second Lien Patent Security Agreement |
| Oct 20, 2022 Reel 61735, frame 875 | Insmed Incorporated | Biopharma Credit PLC | Patent Security Agreement |
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
Dec 2026
Term ends Dec 5, 2026. No further fees fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,226,975, ends no earlier than this term, so it caps nothing.
Citations
73
later US patents cite this one
That is top 10% of utility patents granted in 2014 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.