Technology area: Chemistry & Materials
4 pending office actions • 3 art units • 4 examiners • 0 of 4 (0%) have an AI response strategy ready • 3 patents granted in the last 365 days
Posco Chemical Co. Ltd. has 5 pending office actions in Chemistry & Materials. Those matters involve 5 examiners across 4 art units, indicating a broad and distributed prosecution workload with some shared technical-office context.
ERWIN, JAMES M is the busiest examiner, with 1 pending matter. No examiner accounts for multiple actions, so portfolio management should emphasize matter-level tracking while using common art-unit experience where relevant.
Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.
| Bucket | Cases |
|---|---|
| §103 only | 3 (75%) |
| Multi-statute (no §101) | 1 (25%) |
How the docket's pending cases split across USPTO tech-center bands.
Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.
| Examiner | Apps on this docket | Allow rate | Interview lift |
|---|---|---|---|
| ERWIN, JAMES M | 1 | 82.4% | +5.7% |
| HORNSBY, BARTHOLOMEW ANDREW | 1 | 74.7% | +20.0% |
| MELFI, OLIVIA MASON | 1 | 57.4% | +27.4% |
| HAMMOND, KRISHNA R | 1 | 63.0% | +14.2% |
Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 1 ordered by deadline are shown.
| App # | Title | Examiner | Due in |
|---|---|---|---|
| 18288691 | POSITIVE ACTIVE MATERIAL, PREPARING METHOD THEREOF AND RECHARGEABLE LITHIUM BATTERY | ERWIN, JAMES M | — |
Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 3 ordered by deadline are shown.
| App # | Title | Examiner | Due in |
|---|---|---|---|
| 18268515 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY | HORNSBY, BARTHOLOMEW ANDREW | — |
| 18268791 | CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY INCLUDING SAME | MELFI, OLIVIA MASON | — |
| 18268815 | ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, PREPARATION METHOD THEREFOR, AND LITHIUM SECONDARY BATTERY INCLUDING SAME | HAMMOND, KRISHNA R | — |
| Art Unit | Apps |
|---|---|
| 1725 | 2 |
| 1728 | 1 |
| 1729 | 1 |
| App # | Title | Examiner | Art Unit | Statutes | Status | Due in | AI | Filed |
|---|---|---|---|---|---|---|---|---|
| 18288691 | POSITIVE ACTIVE MATERIAL, PREPARING METHOD THEREOF AND RECHARGEABLE LITHIUM BATTERY | ERWIN, JAMES M | 1725 | §103§112 | Final Rejection | — | Pending | Dec 11, 2023 |
| 18268515 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY | HORNSBY, BARTHOLOMEW ANDREW | 1728 | §103 | Final Rejection | — | Pending | Aug 17, 2023 |
| 18268791 | CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY INCLUDING SAME | MELFI, OLIVIA MASON | 1729 | §103 | Non-Final OA | — | Pending | Jun 21, 2023 |
| 18268815 | ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, PREPARATION METHOD THEREFOR, AND LITHIUM SECONDARY BATTERY INCLUDING SAME | HAMMOND, KRISHNA R | 1725 | §103 | Final Rejection | — | Pending | Jun 21, 2023 |
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Start Free TrialPosco Chemical Co. Ltd. has 4 pending office actions as of October 2026, spread across 3 art units and 4 examiners.
James M Erwin has the most, with 1 of Posco Chemical Co. Ltd.'s pending office actions.
Mostly Chemistry & Materials (USPTO Tech Center 1700), based on where its pending office actions are examined.
