Technology area: Chemistry & Materials
3 pending office actions • 3 art units • 3 examiners • 0 of 3 (0%) have an AI response strategy ready • 5 patents granted in the last 365 days
Sartorius Stedim North America Inc. has 3 pending office actions in the Chemistry & Materials technology area. Each of these 3 pending office actions is assigned to a different person among 3 distinct examiners. Furthermore, the actions are distributed across 3 distinct art units, meaning every pending matter is in a different art unit. This one-to-one-to-one ratio between actions, examiners, and art units suggests a highly fragmented prosecution environment. PLESZCZYNSKA, JOANNA is the busiest examiner with 1 pending office action. The company's innovations in chemistry and materials are being evaluated by three different sets of eyes in three different technical contexts.
This distribution means that the company cannot rely on a single examiner's familiarity with its technology. Instead, it must tailor its arguments to 3 distinct art units, each with its own set of precedents and examination styles. The involvement of 3 distinct examiners for only 3 pending office actions maximizes the variety of feedback the company receives. Practitioners should be prepared to manage three entirely independent prosecution tracks. While the total number of pending actions is relatively low, the high degree of dispersion across examiners and art units requires a versatile legal strategy. The focus is on navigating three unique paths toward patent allowance in the chemistry sector.
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 |
|---|---|---|---|
| PLESZCZYNSKA, JOANNA | 1 | 54.5% | +27.7% |
| KRASNOW, NICHOLAS R | 1 | 66.4% | +12.9% |
| NGUYEN, HENRY H | 1 | 63.5% | +36.7% |
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 |
|---|---|---|---|
| 18266890 | QUICK DISSOLVING CAVITY FORMING STRUCTURE FOR INJECTION MOLDED STRUCTURES | KRASNOW, NICHOLAS R | — |
| 17386831 | Thermal Capacitors, Systems, and Methods for Rapid Freezing or Heating of Biological Materials | NGUYEN, HENRY H | — |
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 |
|---|---|---|---|
| 18894621 | Composite Articles of Lattice Reinforced Elastomers | PLESZCZYNSKA, JOANNA | — |
| 18266890 | QUICK DISSOLVING CAVITY FORMING STRUCTURE FOR INJECTION MOLDED STRUCTURES | KRASNOW, NICHOLAS R | — |
| 17386831 | Thermal Capacitors, Systems, and Methods for Rapid Freezing or Heating of Biological Materials | NGUYEN, HENRY H | — |
| Art Unit | Apps |
|---|---|
| 1783 | 1 |
| 1744 | 1 |
| 1758 | 1 |
| App # | Title | Examiner | Art Unit | Statutes | Status | Due in | AI | Filed |
|---|---|---|---|---|---|---|---|---|
| 18894621 | Composite Articles of Lattice Reinforced Elastomers | PLESZCZYNSKA, JOANNA | 1783 | §103 | Final Rejection | — | Pending | Sep 24, 2024 |
| 18266890 | QUICK DISSOLVING CAVITY FORMING STRUCTURE FOR INJECTION MOLDED STRUCTURES | KRASNOW, NICHOLAS R | 1744 | §103§112 | Final Rejection | — | Pending | Jun 13, 2023 |
| 17386831 | Thermal Capacitors, Systems, and Methods for Rapid Freezing or Heating of Biological Materials | NGUYEN, HENRY H | 1758 | §102§103§112 | Final Rejection | — | Pending | Jul 28, 2021 |
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Start Free TrialSartorius Stedim North America Inc. has 3 pending office actions as of October 2026, spread across 3 art units and 3 examiners.
Joanna Pleszczynska has the most, with 1 of Sartorius Stedim North America Inc.'s pending office actions.
Mostly Chemistry & Materials (USPTO Tech Center 1700), based on where its pending office actions are examined.
