Term ends Dec 5, 2029 · High confidence
20-year base term ended Nov 22, 2025
Held by Adamas Pharmaceuticals, Inc.
Filed Apr 6, 2006 as application 11/399,879 · Granted Nov 15, 2011
Base term plus 1474 days of patent term adjustment (USPTO delay)
Today
2005
2029
Clock starts
Nov 22, 2005
Nov 22, 2005
Term ends
Dec 5, 2029
Dec 5, 2029
Granted
Nov 15, 2011
Nov 15, 2011
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
1,474
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
43
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 1474 days past its 20-year base term on prosecution delay. 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 Nov 22, 2005, when application 11/285,905, the earliest non-provisional in its chain, was filed (this one was filed Apr 6, 2006) | Nov 22, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1474 days, USPTO patent term adjustment record | Dec 5, 2029 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 5, 2029 | High confidence |
This family
| US 6,620,845 | Lapsed on the fee record Sep 2015 | Sep 2015 |
| Application 60/630,885 | Provisional application no patent term | no patent term |
| US 7,326,730 | Term ended Feb 2020 | Feb 2020 |
| US 7,619,007 | Term ended no later than Nov 2025 | no later than Nov 2025 |
| US 8,058,291 | this patent Dec 2029 | Dec 2029 |
| Application PCT/US2006/013506 | PCT application no patent term | no patent term |
| Application PCT/US2007/011887 | PCT application no patent term | no patent term |
| US 8,168,209 | Term ended Jul 2026 | Jul 2026 |
8 of 43 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 |
|---|---|---|---|
| Jul 5, 2006 Reel 18079, frame 752 | Went, Gregory T.; Fultz, Timothy J. | Neuromolecular Pharmaceuticals, Inc. | Assignment of Assignor's Interest |
| Sep 18, 2007 Reel 19842, frame 670 | Neuromolecular Pharmaceuticals, Inc. | Adamas Pharmaceuticals, Inc. | Change of Name |
| Jan 26, 2012 Reel 27599, frame 891 | Meyerson, Laurence R. | Adamas Pharmaceuticals, Inc. | Assignment of Assignor's Interest |
| Jun 6, 2017 Reel 42704, frame 254 | Adamas Pharmaceuticals, Inc. | Adamas Pharma, LLC | Assignment of Assignor's Interest |
| Nov 29, 2017 Reel 44538, frame 562 | Neuromolecular, Inc. | Neuromolecular Pharmaceuticals, Inc. | Change of Name |
| Nov 29, 2017 Reel 44548, frame 480 | Neuromolecular Pharmaceuticals, Inc. | Adamas Pharmaceuticals, Inc. | Change of Name |
| Dec 4, 2017 Reel 44291, frame 515 | Went, Gregory T.; Fultz, Timothy J.; Porter, Seth; Meyerson, Laurence R.; Burkoth, Timothy S. | Neuromolecular, 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Dec 2029
Term ends Dec 5, 2029. No further fees fall due before then
Note
The 1474 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
84
later US patents cite this one
That is top 10% of utility patents granted in 2011 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.