Barrick Mining Corporation
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Previously recorded as Barrick Gold Corporation (to 2025)
7
Ending by 2030
May 2027
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 9, 2026The maintenance fee for Method for recovering precious metals and copper from leach solutions (US 9,051,625) comes due Dec 9, 2026. Unpaid by Jun 9, 2027, it lapses early.
- 1 fee due Mar 17, 2027The maintenance fee for Co-current and counter current resin-in-leach in gold leaching processes (US 10,415,116) comes due Mar 17, 2027. Unpaid by Sep 17, 2027, it lapses early.
- 1 fee due May 24, 2027The maintenance fee for Recovery of gold from roaster calcine leach tailings (US 9,194,023) comes due May 24, 2027. Unpaid by Nov 24, 2027, it lapses early.
- 1 fee due Sep 24, 2027The maintenance fee for Method for pre-treatment of gold-bearing oxide ores (US 10,597,752) comes due Sep 24, 2027. Unpaid by Mar 24, 2028, 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,572,317 | Thiosulfate generation in situ in precious metal recovery In force · From the USPTO record | In force | From the USPTO record | |
| US 7,862,786 | Selective precipitation of metal sulfides In force · From the USPTO record | In force | From the USPTO record | |
| US 8,252,254 | Process for reduced alkali consumption in the recovery of silver In force · From the USPTO record | In force | From the USPTO record | |
| US 7,918,919 | Process for mercury control during pressure oxidation In force · From the USPTO record | In force | From the USPTO record | |
| US 7,922,788 | Process for recovering gold and silver from refractory ores In force · From the USPTO record | In force | From the USPTO record | |
| US 8,262,768 | Method to improve recovery of gold from double refractory gold ores In force · From the USPTO record | In force | From the USPTO record | |
| US 8,262,770 | Process for controlling acid in sulfide pressure oxidation processes In force · From the USPTO record | In force | From the USPTO record | |
| US 8,623,115 | Alkaline and acid pressure oxidation of precious metal-containing materials In force · From the USPTO record | In force | From the USPTO record | |
| US 8,715,389 | Co-current and counter current resin-in-leach in gold leaching processes In force · From the USPTO record | In force | From the USPTO record | |
| US 10,258,996 | Separation of Copper Minerals from Pyrite Using Air-Metabisulfite Treatment In force · Low confidence | In force | Low 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.