Prosecution Insights
Last updated: July 17, 2026

Youlchon Chemical Co. Ltd.

3 pending office actions • 0 art units • 3 examiners • 0 of 3 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days

Portfolio Summary

3
Total Pending OAs
3
Non-Final OAs
0
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.

0
Hard (0%)
3
Medium (100%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only3 (100%)

Industry Mix

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

0
Life Sciences
0% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
3
Business / Other
100% 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.

30 h
Manual time on pending OAs
6 h
Time saved (low, 20%)
10 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
LUSTGRAAF, BENJAMIN T 1 60.0% +14.9%
BROWN, MADISON ELIZABETH 1
MERKLING, MATTHEW J 1 68.1% +13.1%

Interview Candidates (2)

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 2 ordered by deadline are shown.

App #TitleExaminerDue in
18398586 POUCH FILM FOR SECONDARY BATTERY HAVING HIGH POISSON'S RATIO, METHOD FOR PREPARING THE POUCH FILM, SECONDARY BATTERY USING THE SAME AND METHOD FOR MANUFACTURING THE SECONDARY BATTERY LUSTGRAAF, BENJAMIN T
18527239 POUCH FILM FOR SECONDARY BATTERY WITH EXCELLENT ROOM TEMPERATURE AND HIGH TEMPERATURE SEALING STRENGTH WHERE SEALANT LAYER YIELD STRENGTH, SEALANT LAYER THICKNESS RATIO AND SEALANT LAYER GLASS TRANSITION TEMPERATURE ARE CONTROLLED, METHOD FOR PREPARING THE POUCH FILM, SECONDARY BATTERY USING THE SAME AND METHOD FOR MANUFACTURING THE SECONDARY BATTERY MERKLING, MATTHEW J

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18398586 POUCH FILM FOR SECONDARY BATTERY HAVING HIGH POISSON'S RATIO, METHOD FOR PREPARING THE POUCH FILM, SECONDARY BATTERY USING THE SAME AND METHOD FOR MANUFACTURING THE SECONDARY BATTERY LUSTGRAAF, BENJAMIN T §103 Non-Final OA Pending Dec 28, 2023
18393340 CELL POUCH FILM HAVING HIGH RIGIDITY, HIGH FORMABILITY AND EXCELLENT INSULATION RESISTANCE PROPERTIES AND METHOD FOR PREPARING THE SAME, SECONDARY BATTERY USING THE CELL POUCH FILM AND METHOD FOR MANUFACTURING THE SECONDARY BATTERY BROWN, MADISON ELIZABETH §103 Non-Final OA Pending Dec 21, 2023
18527239 POUCH FILM FOR SECONDARY BATTERY WITH EXCELLENT ROOM TEMPERATURE AND HIGH TEMPERATURE SEALING STRENGTH WHERE SEALANT LAYER YIELD STRENGTH, SEALANT LAYER THICKNESS RATIO AND SEALANT LAYER GLASS TRANSITION TEMPERATURE ARE CONTROLLED, METHOD FOR PREPARING THE POUCH FILM, SECONDARY BATTERY USING THE SAME AND METHOD FOR MANUFACTURING THE SECONDARY BATTERY MERKLING, MATTHEW J §103 Non-Final OA Pending Dec 02, 2023

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