Prosecution Insights
Last updated: October 04, 2026

Korea Institute Of Fusion Energy

Technology area: Chemistry & Materials

4 pending office actions • 2 art units • 3 examiners • 0 of 4 (0%) have an AI response strategy ready • 6 patents granted in the last 365 days

Portfolio Summary

4
Total Pending OAs
1
Non-Final OAs
3
Final Rejections
0
Advisory / Quayle

Case Difficulty Mix

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.

2
Hard (50%)
1
Medium (25%)
1
Easy (25%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other2 (50%)
§102 only1 (25%)
§112 only1 (25%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

2
Life Sciences
50% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
2
Business / Other
50% of docket

Time-on-OA Estimate

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.

40 h
Manual time on pending OAs
8 h
Time saved (low, 20%)
14 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
CHAI, RAYMOND REI-YANG 2 74.7% +16.2%
DOWNES, NATHANAEL JASON 1 62.5% +16.7%
YOO, REGINA M 1 63.8% +6.1%

Hard Cases (2)

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 #TitleExaminerDue in
19109286 PLASMA GENERATION DEVICE USING RESONANT WAVEGUIDE HAVING TUNER CHAI, RAYMOND REI-YANG —
19109222 PLASMA GENERATOR BY MEANS OF RESONANT WAVEGUIDE CHAI, RAYMOND REI-YANG —

Interview Candidates (3)

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 #TitleExaminerDue in
19109286 PLASMA GENERATION DEVICE USING RESONANT WAVEGUIDE HAVING TUNER CHAI, RAYMOND REI-YANG —
19109222 PLASMA GENERATOR BY MEANS OF RESONANT WAVEGUIDE CHAI, RAYMOND REI-YANG —
18010912 MICROWAVE PLASMA DEVICE WITH INCREASED SELECTIVITY OF NITROGEN OXIDE AND METHOD OF PRODUCING NITROGEN OXIDE-CONTAINING WATER USING SAME DOWNES, NATHANAEL JASON —

Top Art Units

Art UnitApps
1794 1
1700 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19109286 PLASMA GENERATION DEVICE USING RESONANT WAVEGUIDE HAVING TUNER CHAI, RAYMOND REI-YANG — §101DP Final Rejection — Pending Mar 06, 2025
19109222 PLASMA GENERATOR BY MEANS OF RESONANT WAVEGUIDE CHAI, RAYMOND REI-YANG — §101§112 Final Rejection — Pending Mar 06, 2025
18010912 MICROWAVE PLASMA DEVICE WITH INCREASED SELECTIVITY OF NITROGEN OXIDE AND METHOD OF PRODUCING NITROGEN OXIDE-CONTAINING WATER USING SAME DOWNES, NATHANAEL JASON 1794 §102 Non-Final OA — Pending Dec 16, 2022
17906688 DISINFECTION SYSTEM USING PLASMA-DISCHARGED WATER, AND SPRAY NOZZLE FOR SPRAYING PLASMA-DISCHARGED WATER AS DROPLETS YOO, REGINA M 1700 §112 Final Rejection — Pending Sep 19, 2022

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