Technology area: Chemistry & Materials
3 pending office actions • 3 art units • 3 examiners • 0 of 3 (0%) have an AI response strategy ready • 10 patents granted in the last 365 days
A123 Systems LLC has 3 pending office actions in Chemistry & Materials. The matters are assigned to 3 distinct examiners and 3 distinct art units, showing no numerical overlap in the supplied assignment data.
DIGGS, TANISHA is the busiest examiner, with 1 pending matter. Each application should receive an independent substantive review, supported by coordinated docket management and consistent technical terminology where appropriate.
Based on the USPTO statutory response window for each pending office action. 2 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 | 1 (33%) |
| Multi-statute (no §101) | 2 (67%) |
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 |
|---|---|---|---|
| DIGGS, TANISHA | 1 | 55.1% | +54.1% |
| KOPEC, MARK T | 1 | 84.5% | +12.9% |
| KASS-MULLET, BENJAMIN ELI | 1 | 71.4% | +6.3% |
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 |
|---|---|---|---|
| 18301081 | METHODS AND SYSTEMS FOR CATHODE WITH HIGH STRUCTURAL LITHIUM CONTENT | KOPEC, MARK T | 12d |
| 18645218 | METHODS AND SYSTEMS FOR SALT-RINSE SURFACE DOPING OF ELECTRODE MATERIALS | DIGGS, TANISHA | — |
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 2 ordered by deadline are shown.
| App # | Title | Examiner | Due in |
|---|---|---|---|
| 18301081 | METHODS AND SYSTEMS FOR CATHODE WITH HIGH STRUCTURAL LITHIUM CONTENT | KOPEC, MARK T | 12d |
| 18645218 | METHODS AND SYSTEMS FOR SALT-RINSE SURFACE DOPING OF ELECTRODE MATERIALS | DIGGS, TANISHA | — |
| Art Unit | Apps |
|---|---|
| 1761 | 1 |
| 1762 | 1 |
| 1752 | 1 |
| App # | Title | Examiner | Art Unit | Statutes | Status | Due in | AI | Filed |
|---|---|---|---|---|---|---|---|---|
| 18645218 | METHODS AND SYSTEMS FOR SALT-RINSE SURFACE DOPING OF ELECTRODE MATERIALS | DIGGS, TANISHA | 1761 | §103§112 | Non-Final OA | — | Pending | Apr 24, 2024 |
| 18301081 | METHODS AND SYSTEMS FOR CATHODE WITH HIGH STRUCTURAL LITHIUM CONTENT | KOPEC, MARK T | 1762 | §102§103 | Final Rejection | 12d | Pending | Apr 14, 2023 |
| 17659463 | METHODS AND SYSTEMS FOR CATHODE PRE-LITHIATION LAYER | KASS-MULLET, BENJAMIN ELI | 1752 | §103 | Non-Final OA | 26d overdue | Pending | Apr 15, 2022 |
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Start Free TrialA123 Systems LLC has 3 pending office actions as of October 2026, spread across 3 art units and 3 examiners.
Tanisha Diggs has the most, with 1 of A123 Systems LLC's pending office actions.
Mostly Chemistry & Materials (USPTO Tech Center 1700), based on where its pending office actions are examined.
