Collateral for a security interest recorded Jan 31, 2020 (Hearthstone Investments Ltd.).
Term ends Dec 12, 2032 · High confidence
20-year base term ends Dec 12, 2032
Held by Pharmajet Inc.
Filed Aug 12, 2016 as application 15/235,797 · Granted Jul 11, 2017
Base term, 20 years from filing
Today
2012
2032
Clock starts
Dec 12, 2012
Dec 12, 2012
Term ends
Dec 12, 2032
Dec 12, 2032
Granted
Jul 11, 2017
Jul 11, 2017
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 9,433,735, to Dec 12, 2032. 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.
13
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 Dec 12, 2012, when application 13/711,765, the earliest non-provisional in its chain, was filed (this one was filed Aug 12, 2016) | Dec 12, 2032 | 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 9,433,735) | resolves to Dec 12, 2032, 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 | Dec 12, 2032 | High confidence |
This family
| US 9,408,972 | In force Jan 2033 | Jan 2033 |
| Application PCT/US2012/049312 | PCT application no patent term | no patent term |
| US 9,433,735 | In force Aug 2034 | Aug 2034 |
| US 10,463,795 | In force Sep 2032 | Sep 2032 |
| US 9,700,675 | this patent Dec 2032 | Dec 2032 |
| US 10,322,238 | In force no later than Jan 2033 | no later than Jan 2033 |
| US 11,154,659 | In force no later than May 2033 | no later than May 2033 |
| US 11,471,603 | In force Jan 2033 | Jan 2033 |
8 of 13 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 |
|---|---|---|---|
| Feb 23, 2017 Reel 41795, frame 217 | Cappello, Chris; Wixey, Matt; Bingham, John W. | Pharmajet Inc. | Assignment of Assignor's Interest |
| Jan 31, 2020 Reel 51686, frame 669 | Pharmajet Inc. | Hearthstone Investments Ltd. | 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
Dec 2032
Term ends Dec 12, 2032. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 9,433,735, ends no earlier than this term, so it caps nothing.
Citations
3
later US patents cite this one
That is below the median of utility patents granted in 2017 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.