Technology area: Chemistry & Materials
19 pending office actions • 11 art units • 16 examiners • 0 of 19 (0%) have an AI response strategy ready • 25 patents granted in the last 365 days
Mitsubishi Materials Corporation has 18 pending office actions in Chemistry & Materials. The portfolio spans 15 distinct examiners and 10 distinct art units, indicating substantial assignment breadth alongside concentration within the examination units. The action volume exceeds the examiner count, so several examiner relationships carry more than one matter.
WANG, XIAOBEI is the busiest examiner, with 3 pending matters. That examiner provides a meaningful point for reviewing recurring objections, amendments, and technical explanations. Broader portfolio management should still account for the other examiner and art unit assignments through shared drafting guidance and coordinated prior-art analysis.
Based on the USPTO statutory response window for each pending office action. 3 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.
Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 3 of the docket's apps have a known mailing date.
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 |
|---|---|
| §101 + other | 1 (5%) |
| §103 only | 3 (16%) |
| §102 only | 1 (5%) |
| Double-patenting + other | 2 (11%) |
| Multi-statute (no §101) | 12 (63%) |
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 |
|---|---|---|---|
| WANG, XIAOBEI | 3 | 65.3% | +48.2% |
| HORGER, KIM S. | 2 | 70.4% | +20.6% |
| CLARE, MARK C | 1 | 14.1% | +19.9% |
| RAMOS, NICOLE N | 1 | 81.5% | +9.9% |
| RUFO, RYAN C | 1 | 59.0% | +40.8% |
| PLESZCZYNSKA, JOANNA | 1 | 54.5% | +27.7% |
| WYROUGH, PAUL CHRISTIAN ST | 1 | 58.6% | +35.2% |
| CARPENTER, JOSHUA S | 1 | 51.6% | +37.2% |
| SHAMS, NAZMUN NAHAR | 1 | 79.8% | +18.8% |
| FORREST, MICHAEL | 1 | 59.6% | +13.7% |
Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 8 ordered by deadline are shown.
| App # | Title | Examiner | Due in |
|---|---|---|---|
| 17911543 | METHOD FOR PRODUCING LITHIUM SULFIDE | CORALLO, CATRIONA MARY | 9d |
| 18276112 | Li RECOVERY METHOD AND RECOVERY APPARATUS | SMOOT, MORIAH SIMONE MCMIL | 28d |
| 18852378 | SURFACE-COATED CUTTING TOOL | WANG, XIAOBEI | — |
| 19103615 | TRANSACTION MANAGEMENT DEVICE, TRANSACTION MANAGEMENT SYSTEM, USER TERMINAL, TRANSACTION MANAGEMENT METHOD, DISPLAY CONTROL METHOD, AND PROGRAM | CLARE, MARK C | — |
| 19100319 | CUTTING TOOL | RAMOS, NICOLE N | — |
| 18725170 | SURFACE-COATED CUTTING TOOL | WANG, XIAOBEI | — |
| 18858894 | SILICON MEMBER AND SILICON MEMBER PRODUCTION METHOD | WANG, XIAOBEI | — |
| 18852365 | SURFACE-COATED CUTTING TOOL | HORGER, KIM S. | — |
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 8 ordered by deadline are shown.
| App # | Title | Examiner | Due in |
|---|---|---|---|
| 18852378 | SURFACE-COATED CUTTING TOOL | WANG, XIAOBEI | — |
| 19103615 | TRANSACTION MANAGEMENT DEVICE, TRANSACTION MANAGEMENT SYSTEM, USER TERMINAL, TRANSACTION MANAGEMENT METHOD, DISPLAY CONTROL METHOD, AND PROGRAM | CLARE, MARK C | — |
| 18725170 | SURFACE-COATED CUTTING TOOL | WANG, XIAOBEI | — |
| 18858894 | SILICON MEMBER AND SILICON MEMBER PRODUCTION METHOD | WANG, XIAOBEI | — |
| 18852365 | SURFACE-COATED CUTTING TOOL | HORGER, KIM S. | — |
| 18851099 | TURNING TOOL | RUFO, RYAN C | — |
| 18848223 | SURFACE-COATED CUTTING TOOL | PLESZCZYNSKA, JOANNA | — |
| 18844162 | METHOD FOR SEPARATING COBALT AND NICKEL | WYROUGH, PAUL CHRISTIAN ST | — |
| Art Unit | Apps |
|---|---|
| 1784 | 4 |
| 3722 | 3 |
| 1738 | 3 |
| 1733 | 2 |
| 3628 | 1 |
| 1783 | 1 |
| 1723 | 1 |
| 1762 | 1 |
| 1795 | 1 |
| 1734 | 1 |
| App # | Title | Examiner | Art Unit | Statutes | Status | Due in | AI | Filed |
|---|---|---|---|---|---|---|---|---|
| 18852378 | SURFACE-COATED CUTTING TOOL | WANG, XIAOBEI | 1784 | §102§103§112 | Non-Final OA | — | Pending | Apr 02, 2025 |
| 19103615 | TRANSACTION MANAGEMENT DEVICE, TRANSACTION MANAGEMENT SYSTEM, USER TERMINAL, TRANSACTION MANAGEMENT METHOD, DISPLAY CONTROL METHOD, AND PROGRAM | CLARE, MARK C | 3628 | §101§102§103§112 | Non-Final OA | — | Pending | Feb 13, 2025 |
| 19100319 | CUTTING TOOL | RAMOS, NICOLE N | 3722 | §102§103§112 | Non-Final OA | — | Pending | Jan 31, 2025 |
| 18725170 | SURFACE-COATED CUTTING TOOL | WANG, XIAOBEI | 1784 | §102§103 | Non-Final OA | — | Pending | Jan 02, 2025 |
| 18858894 | SILICON MEMBER AND SILICON MEMBER PRODUCTION METHOD | WANG, XIAOBEI | 1784 | §102§112 | Non-Final OA | — | Pending | Oct 22, 2024 |
| 18852365 | SURFACE-COATED CUTTING TOOL | HORGER, KIM S. | 1784 | §102§112 | Non-Final OA | — | Pending | Sep 27, 2024 |
| 18851099 | TURNING TOOL | RUFO, RYAN C | 3722 | §102§103§112 | Non-Final OA | — | Pending | Sep 26, 2024 |
| 18848223 | SURFACE-COATED CUTTING TOOL | PLESZCZYNSKA, JOANNA | 1783 | §103§112 | Non-Final OA | — | Pending | Sep 18, 2024 |
| 18844162 | METHOD FOR SEPARATING COBALT AND NICKEL | WYROUGH, PAUL CHRISTIAN ST | 1723 | §103 | Final Rejection | — | Pending | Sep 05, 2024 |
| 18721216 | COPPER ALLOY POWDER | CARPENTER, JOSHUA S | 1733 | §102§112 | Non-Final OA | — | Pending | Jun 18, 2024 |
| 18708917 | COPPER ALLOY, PLASTIC WORKED COPPER ALLOY MATERIAL, COMPONENT FOR ELECTRONIC/ELECTRICAL DEVICES, TERMINAL, BUS BAR, LEAD FRAME AND HEAT DISSIPATION SUBSTRATE | SHAMS, NAZMUN NAHAR | 1738 | §102§103 | Non-Final OA | — | Pending | May 09, 2024 |
| 18574457 | METHOD FOR PRODUCING CARBON AND HYDROGEN, CARBON MATERIAL, REDUCING AGENT, AND METHOD FOR DECOMPOSING CARBON DIOXIDE | FORREST, MICHAEL | 1738 | §102§103DP | Non-Final OA | — | Pending | Dec 27, 2023 |
| 18570093 | HAFNIUM COMPOUND-CONTAINING SOL-GEL SOLUTION, METHOD FOR PRODUCING HAFNIUM COMPOUND-CONTAINING SOL-GEL SOLUTION, AND METHOD FOR PRODUCING HAFNIA-CONTAINING FILM | NILAND, PATRICK DENNIS | 1762 | §102 | Non-Final OA | — | Pending | Dec 14, 2023 |
| 18284636 | TITANIUM SUBSTRATE MATERIAL, ELECTRODE FOR WATER ELECTROLYSIS, AND SOLID POLYMER WATER ELECTROLYSIS DEVICE | HORGER, KIM S. | 1795 | §103 | Non-Final OA | — | Pending | Sep 28, 2023 |
| 18283333 | TURNING TOOL | ADDISU, SARA | 3722 | §103 | Final Rejection | 6d | Pending | Sep 21, 2023 |
| 18277115 | VALUABLE METAL RECOVERY METHOD AND RECOVERY APPARATUS | YANG, JIE | 1734 | §103DP | Final Rejection | — | Pending | Aug 14, 2023 |
| 18276112 | Li RECOVERY METHOD AND RECOVERY APPARATUS | SMOOT, MORIAH SIMONE MCMIL | 1733 | §102§103§112 | Final Rejection | 28d | Pending | Aug 07, 2023 |
| 18268451 | METHOD FOR RECOVERING LEAD FROM COPPER SMELTING DUST | PIRO, NICHOLAS ANTHONY | 1738 | §103§112 | Non-Final OA | — | Pending | Jun 20, 2023 |
| 17911543 | METHOD FOR PRODUCING LITHIUM SULFIDE | CORALLO, CATRIONA MARY | 1732 | §103§112 | Final Rejection | 9d | Pending | Sep 14, 2022 |
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Start Free TrialMitsubishi Materials Corporation has 19 pending office actions as of October 2026, spread across 11 art units and 16 examiners.
Xiaobei Wang has the most, with 3 of Mitsubishi Materials Corporation's pending office actions.
Mostly Chemistry & Materials (USPTO Tech Center 1700), based on where its pending office actions are examined.