Term ended Apr 14, 2026 · High confidence
20-year base term ended Apr 14, 2026
USPTO later recorded it as expired for non-payment on Oct 12, 2026.
Held by Tolmar, Inc.
Filed Apr 16, 2014 as application 14/254,545 · Granted Sep 9, 2014
Base term, 20 years from filing
Today
Term ended Apr 14, 2026
2006
2026
Clock starts
Apr 14, 2006
Apr 14, 2006
Term ended
Apr 14, 2026
Apr 14, 2026
Granted
Sep 9, 2014
Sep 9, 2014
base term
after the term ends
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.
2 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.
19
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. 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 Apr 14, 2006, when application PCT/US2006/014207, the earliest non-provisional in its chain, was filed (this one was filed Apr 16, 2014) | Apr 14, 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 | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | term ended | High confidence |
| USPTO status record | Recorded as expired for non-payment on Oct 12, 2026, after the term ended | no change | High confidence |
| Computed term end | The steps above, in order | Apr 14, 2026 | High confidence |
This family
| Application PCT/US2006/014207 | PCT application no patent term | no patent term |
| US 8,241,664 | In force Mar 2029 | Mar 2029 |
| Application 13/553,586 | Abandoned not computed | not computed |
| US 8,778,917 | Term ended Apr 2026 | Apr 2026 |
| US 8,828,428 | this patent Apr 2026 | Apr 2026 |
| Application 14/303,179 | Abandoned not computed | not computed |
| Application 14/820,765 | Abandoned not computed | not computed |
| Application 14/820,749 | Abandoned not computed | not computed |
8 of 19 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 29, 2014 Reel 33412, frame 188 | Dudley, Robert E; Constantinides, Panayiotis P | Clarus Therapeutics, Inc. | Assignment of Assignor's Interest |
| Mar 12, 2020 Reel 52099, frame 349 | Clarus Therapeutics, Inc. | U.S. Bank National Association | Security Interest |
| Nov 15, 2022 Reel 61774, frame 516 | Clarus Therapeutics, Inc. | Tolmar, Inc. | Assignment of Assignor's Interest |
| Dec 6, 2022 Reel 62000, frame 52 | U.S. Bank Trust Company, National Association, as Successor to U.S. Bank National Association | Clarus Therapeutics, Inc. | Release of 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.
Citations
24
later US patents cite this one
That is top 25% 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.