Prosecution Insights
Prosecution Insights
Technology area: Chemistry & Materials
4 pending office actions • 2 art units • 4 examiners • 0 of 4 (0%) have an AI response strategy ready • 2 patents granted in the last 365 days
L&F Co. Ltd. is managing 3 pending office actions in the Chemistry & Materials sector. These 3 pending office actions are being handled by 3 distinct examiners, creating a decentralized examination environment where each application is reviewed by a different individual. ZEMUI, NATHANAEL T is the busiest examiner with 1 pending action under their review.
All prosecution activity is currently confined to 1 distinct art unit. This concentration suggests that the matters involve closely related technologies within the Chemistry & Materials field. Having 3 distinct examiners within a single art unit provides the applicant with multiple perspectives on how that specific unit interprets patentability standards.
The strategy of engaging those examiners ensures that the outcome of one application is less likely to directly dictate the outcome of another. However, the focus on that unit means that the overarching technical hurdles may be similar across the portfolio. Practitioners should analyze the feedback from all those examiners to find common ground for successful prosecution. ZEMUI, NATHANAEL T oversees 1 pending action, contributing to the diverse feedback loop.
Based on the USPTO statutory response window for each pending office action. 1 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.
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 | 2 (50%) |
| Multi-statute (no §101) | 2 (50%) |
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 |
|---|---|---|---|
| ZEMUI, NATHANAEL T | 1 | 56.0% | +24.1% |
| DUMBRIS, SETH M | 1 | 76.4% | +16.6% |
| LEE, DANIEL H. | 1 | 70.6% | +25.3% |
| RUTISER, CLAIRE A | 1 | 41.8% | +21.9% |
Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 2 ordered by deadline are shown.
| App # | Title | Examiner | Due in |
|---|---|---|---|
| 17765963 | NOVEL LITHIUM-METAL OXIDE COMPOSITE, AND LITHIUM SECONDARY BATTERY COMPRISING SAME | RUTISER, CLAIRE A | 7d |
| 18575922 | MATERIAL FOR ACTIVE MATERIAL KILN AND KILN INCLUDING SAME | DUMBRIS, SETH 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 4 ordered by deadline are shown.
| App # | Title | Examiner | Due in |
|---|---|---|---|
| 17765963 | NOVEL LITHIUM-METAL OXIDE COMPOSITE, AND LITHIUM SECONDARY BATTERY COMPRISING SAME | RUTISER, CLAIRE A | 7d |
| 18685266 | CATHODE ACTIVE MATERIAL AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY INCLUDING SAME | ZEMUI, NATHANAEL T | — |
| 18575922 | MATERIAL FOR ACTIVE MATERIAL KILN AND KILN INCLUDING SAME | DUMBRIS, SETH M | — |
| 18563984 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY | LEE, DANIEL H. | — |
| Art Unit | Apps |
|---|---|
| 1784 | 1 |
| 1751 | 1 |
| App # | Title | Examiner | Art Unit | Statutes | Status | Due in | AI | Filed |
|---|---|---|---|---|---|---|---|---|
| 18685266 | CATHODE ACTIVE MATERIAL AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY INCLUDING SAME | ZEMUI, NATHANAEL T | — | §103 | Non-Final OA | — | Pending | Feb 21, 2024 |
| 18575922 | MATERIAL FOR ACTIVE MATERIAL KILN AND KILN INCLUDING SAME | DUMBRIS, SETH M | 1784 | §102§103 | Final Rejection | — | Pending | Feb 13, 2024 |
| 18563984 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY | LEE, DANIEL H. | — | §103 | Non-Final OA | — | Pending | Jan 23, 2024 |
| 17765963 | NOVEL LITHIUM-METAL OXIDE COMPOSITE, AND LITHIUM SECONDARY BATTERY COMPRISING SAME | RUTISER, CLAIRE A | 1751 | §102§103§112 | Final Rejection | 7d | Pending | May 19, 2022 |
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