Prosecution Insights
Last updated: September 26, 2026

Dongjin Semichem Co., Ltd.

Technology area: Chemistry & Materials

10 pending office actions • 6 art units • 10 examiners • 0 of 10 (0%) have an AI response strategy ready • 6 patents granted in the last 365 days

Portfolio Summary

10
Total Pending OAs
8
Non-Final OAs
2
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.

6
Hard (60%)
4
Medium (40%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only4 (40%)
Multi-statute (no §101)6 (60%)

Industry Mix

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

6
Life Sciences
60% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
4
Business / Other
40% 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.

100 h
Manual time on pending OAs
20 h
Time saved (low, 20%)
35 h
Time saved (mid, 35%)
0.9 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
NGUYEN, HAIDUNG D 1 64.9% +28.4%
TURNER, BRIAN 1 83.3% +4.5%
PAK, HANNAH J 1 78.1% +20.9%
DAVIS, SHENG HAN 1 66.3% +33.2%
DINH, BACH T 1 55.4% +31.3%
LUSTGRAAF, BENJAMIN T 1 57.1% +17.9%
CHACKO DAVIS, DABORAH 1 72.0% +20.7%
LU, JIONG-PING 1 83.6% +7.8%
STONEHOCKER, VIRGINIA LEE 1 81.3% +13.2%
CHU, JOHN S Y 1 76.7% +5.3%

Quick Wins (2)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18512948 ORGANIC LAYER POLISHING COMPOSITION AND METHOD FOR POLISHING USING SAME LU, JIONG-PING —
18179742 LOW-REFRACTIVE-INDEX THERMOSETTING COMPOSITION, OPTICAL MEMBER FORMED THEREFROM, AND DISPLAY DEVICE STONEHOCKER, VIRGINIA LEE —

Hard Cases (6)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 6 ordered by deadline are shown.

App #TitleExaminerDue in
19210245 CONDUCTIVE SLURRY FOR SECONDARY BATTERY ELECTRODE, SECONDARY BATTERY ELECTRODE, AND SECONDARY BATTERY COMPRISING SAME NGUYEN, HAIDUNG D —
18751201 METHOD FOR FORMING AN INSULATING LAYER PATTERN, PRECURSORS USED IN PATTERN FORMATION AND A SEMICONDUCTOR DEVICE TURNER, BRIAN —
18749327 GRAPHITE OXIDE, GRAPHENE OXIDE, AND REDUCED GRAPHENE OXIDE DAVIS, SHENG HAN —
18620949 POSITIVE ELECTRODE ACTIVE MATERIAL COMPOSITE FOR BATTERY, SECONDARY BATTERY ELECTRODE, AND SECONDARY BATTERY LUSTGRAAF, BENJAMIN T —
18431934 POSITIVE PHOTOSENSITIVE RESIN COMPOSITION AND DISPLAY DEVICE COMPRISING SAME CHACKO DAVIS, DABORAH —
18090313 COMPOUND, RESIST UNDERLAYER FILM COMPOSITION INCLUDING SAME, AND RESIST UNDERLAYER FILM CHU, JOHN S Y —

Interview Candidates (7)

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 7 ordered by deadline are shown.

App #TitleExaminerDue in
19210245 CONDUCTIVE SLURRY FOR SECONDARY BATTERY ELECTRODE, SECONDARY BATTERY ELECTRODE, AND SECONDARY BATTERY COMPRISING SAME NGUYEN, HAIDUNG D —
18749761 INKJET RESIN COMPOSITION AND DISPLAY DEVICE PAK, HANNAH J —
18749327 GRAPHITE OXIDE, GRAPHENE OXIDE, AND REDUCED GRAPHENE OXIDE DAVIS, SHENG HAN —
18678236 SOLAR CELL AND METHOD OF FORMING THE SAME DINH, BACH T —
18620949 POSITIVE ELECTRODE ACTIVE MATERIAL COMPOSITE FOR BATTERY, SECONDARY BATTERY ELECTRODE, AND SECONDARY BATTERY LUSTGRAAF, BENJAMIN T —
18431934 POSITIVE PHOTOSENSITIVE RESIN COMPOSITION AND DISPLAY DEVICE COMPRISING SAME CHACKO DAVIS, DABORAH —
18179742 LOW-REFRACTIVE-INDEX THERMOSETTING COMPOSITION, OPTICAL MEMBER FORMED THEREFROM, AND DISPLAY DEVICE STONEHOCKER, VIRGINIA LEE —

Top Art Units

Art UnitApps
1761 1
1787 1
1726 1
1713 1
1766 1
1737 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19210245 CONDUCTIVE SLURRY FOR SECONDARY BATTERY ELECTRODE, SECONDARY BATTERY ELECTRODE, AND SECONDARY BATTERY COMPRISING SAME NGUYEN, HAIDUNG D 1761 §102§103 Non-Final OA — Pending May 16, 2025
18751201 METHOD FOR FORMING AN INSULATING LAYER PATTERN, PRECURSORS USED IN PATTERN FORMATION AND A SEMICONDUCTOR DEVICE TURNER, BRIAN — §102§103§112 Non-Final OA — Pending Jun 22, 2024
18749761 INKJET RESIN COMPOSITION AND DISPLAY DEVICE PAK, HANNAH J 1787 §103 Non-Final OA — Pending Jun 21, 2024
18749327 GRAPHITE OXIDE, GRAPHENE OXIDE, AND REDUCED GRAPHENE OXIDE DAVIS, SHENG HAN — §102§103§112 Non-Final OA — Pending Jun 20, 2024
18678236 SOLAR CELL AND METHOD OF FORMING THE SAME DINH, BACH T 1726 §103 Non-Final OA — Pending May 30, 2024
18620949 POSITIVE ELECTRODE ACTIVE MATERIAL COMPOSITE FOR BATTERY, SECONDARY BATTERY ELECTRODE, AND SECONDARY BATTERY LUSTGRAAF, BENJAMIN T — §102§103 Non-Final OA — Pending Mar 28, 2024
18431934 POSITIVE PHOTOSENSITIVE RESIN COMPOSITION AND DISPLAY DEVICE COMPRISING SAME CHACKO DAVIS, DABORAH — §102§103 Non-Final OA — Pending Feb 03, 2024
18512948 ORGANIC LAYER POLISHING COMPOSITION AND METHOD FOR POLISHING USING SAME LU, JIONG-PING 1713 §103 Final Rejection — Pending Nov 17, 2023
18179742 LOW-REFRACTIVE-INDEX THERMOSETTING COMPOSITION, OPTICAL MEMBER FORMED THEREFROM, AND DISPLAY DEVICE STONEHOCKER, VIRGINIA LEE 1766 §103 Non-Final OA — Pending Mar 07, 2023
18090313 COMPOUND, RESIST UNDERLAYER FILM COMPOSITION INCLUDING SAME, AND RESIST UNDERLAYER FILM CHU, JOHN S Y 1737 §102§112 Final Rejection — Pending Dec 28, 2022

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