KPC Pharmaceuticals, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 2 name spellings.
0
Ending by 2030
Apr 2033
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 1 fee due Dec 4, 2026The maintenance fee for Method for extracting stilbene compounds (US 10,307,453) comes due Dec 4, 2026. Unpaid by Jun 4, 2027, it lapses early.
- 1 fee due Mar 5, 2027The maintenance fee for Use of trezastilbenoside in manufacture of product for treating and/or preventing disease of respiratory system (US 11,744,841) comes due Mar 5, 2027. Unpaid by Sep 7, 2027, it lapses early.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
Patents held now
Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
Showing 1 to 5 of 5
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,623,111 | Pegylated artesunate derivative, pharmaceutical composition and use thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 10,307,453 | Method for extracting stilbene compounds In force · From the USPTO record | In force | From the USPTO record | |
| US 11,407,717 | Benzimidazole derivatives and use thereof as IDH1 inhibitors In force · From the USPTO record | In force | From the USPTO record | |
| US 11,744,841 | Use of trezastilbenoside in manufacture of product for treating and/or preventing disease of respiratory system In force · From the USPTO record | In force | From the USPTO record | |
| US 12,391,653 | Salt Form and Crystal Form of Mutant IDH1 Inhibitor and Preparation Method Therefor In force · High confidence | In force | High confidence |
Sources and methods
Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand.
How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
Published applications
US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.
2 pending · 2 no status recorded