Technology area: Chemistry & Materials
3 pending office actions • 2 art units • 2 examiners • 0 of 3 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days
Ketjen Limited Liability Company has 3 pending office actions in the Chemistry & Materials technology area. These actions are distributed among 2 distinct examiners and 2 distinct art units. DAVID ANDREW CALDERON is the busiest examiner, currently managing 2 pending office actions. This indicates that a majority of the pending cases are assigned to one individual, while the remaining action is with another distinct examiner.
The alignment of 3 pending actions across 2 distinct art units and 2 distinct examiners suggests a consolidated prosecution environment. Because DAVID ANDREW CALDERON oversees 2 pending office actions, his examination style will heavily influence the overall progress of the portfolio. The 2 distinct art units involved indicate that the chemistry matters are likely categorized into specific sub-fields. With only 2 distinct examiners to engage, the company can maintain a focused communication strategy for its 3 pending office actions in the Chemistry & Materials area.
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 | 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 |
|---|---|---|---|
| CALDERON, DAVID ANDREW | 2 | 100.0% | +0.0% |
| GREGORIO, GUINEVER S | 1 | 73.1% | +18.4% |
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 |
|---|---|---|---|
| 18261300 | PSEUDO SOLID STATE CRYSTALLIZATION OF ZEOLITES AND USES THEREIN | CALDERON, DAVID ANDREW | 31d overdue |
| 18616525 | FCC CATALYST WITH ENHANCED MESOPOROSITY, ITS PREPARATION AND USE | CALDERON, DAVID ANDREW | — |
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 1 ordered by deadline are shown.
| App # | Title | Examiner | Due in |
|---|---|---|---|
| 18261301 | FCC CATALYST WITH PSEUDO SOLID STATE CRYSTALLIZED ZEOLITE | GREGORIO, GUINEVER S | — |
| Art Unit | Apps |
|---|---|
| 1742 | 2 |
| 1732 | 1 |
| App # | Title | Examiner | Art Unit | Statutes | Status | Due in | AI | Filed |
|---|---|---|---|---|---|---|---|---|
| 18616525 | FCC CATALYST WITH ENHANCED MESOPOROSITY, ITS PREPARATION AND USE | CALDERON, DAVID ANDREW | 1742 | §102§103 | Non-Final OA | — | Pending | Mar 26, 2024 |
| 18261300 | PSEUDO SOLID STATE CRYSTALLIZATION OF ZEOLITES AND USES THEREIN | CALDERON, DAVID ANDREW | 1742 | §102§103 | Final Rejection | 31d overdue | Pending | Jul 13, 2023 |
| 18261301 | FCC CATALYST WITH PSEUDO SOLID STATE CRYSTALLIZED ZEOLITE | GREGORIO, GUINEVER S | 1732 | §103 | Non-Final OA | — | Pending | Jul 13, 2023 |
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Start Free TrialKetjen Limited Liability Company has 3 pending office actions as of October 2026, spread across 2 art units and 2 examiners.
David Andrew Calderon has the most, with 2 of Ketjen Limited Liability Company's pending office actions.
Mostly Chemistry & Materials (USPTO Tech Center 1700), based on where its pending office actions are examined.
