Technology area: Chemistry & Materials
1 pending office actions • 1 art units • 1 examiners • 0 of 1 (0%) have an AI response strategy ready
Heraeus Epurio LLC has 1 pending office action in Chemistry & Materials. The matter is handled by 1 distinct examiner in 1 distinct art unit, so the available prosecution activity is concentrated in one examination context.
CHU, JOHN S Y is the busiest examiner, with 1 pending matter. Counsel can prepare a targeted response based on the action, the assigned art-unit practice, and the technical record for the chemistry and materials claims. There is no recorded examiner or art-unit dispersion requiring coordination across separate applications.
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 (100%) |
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 |
|---|---|---|---|
| CHU, JOHN S Y | 1 | 76.8% | +5.4% |
| Art Unit | Apps |
|---|---|
| 1737 | 1 |
| App # | Title | Examiner | Art Unit | Statutes | Status | Due in | AI | Filed |
|---|---|---|---|---|---|---|---|---|
| 18571593 | OXATHIANIUM ION-CONTAINING SULFONIC ACID DERIVATIVE COMPOUND AS PHOTOACID GENERATORS IN RESIST APPLICATIONS | CHU, JOHN S Y | 1737 | §103 | Non-Final OA | — | Pending | Dec 18, 2023 |
IP Author helps IP teams respond to office actions faster with AI-generated responses, examiner analytics, and prosecution intelligence.
Start Free TrialHeraeus Epurio LLC has 1 pending office actions as of October 2026, spread across 1 art units and 1 examiners.
John S Y Chu has the most, with 1 of Heraeus Epurio LLC's pending office actions.
Mostly Chemistry & Materials (USPTO Tech Center 1700), based on where its pending office actions are examined.
