Prosecution Insights
Last updated: October 04, 2026

Okuno Chemical Industries Co. Ltd.

Technology area: Chemistry & Materials

2 pending office actions • 2 art units • 2 examiners • 0 of 2 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days

Analysis

Okuno Chemical Industries Co. Ltd. currently has 2 pending office actions in the Chemistry & Materials technology area. These 2 actions are assigned to 2 distinct examiners, meaning each pending matter is being reviewed by a different individual. The portfolio is also distributed across 2 distinct art units, indicating that the examiners are working in different technical groups at the patent office. This distribution provides exposure to different examination environments.

The busiest examiner for this portfolio is WONG, EDNA, who is handling 1 busiest examiner pending action. Since there are 2 pending office actions and 2 distinct examiners, the workload is split. This distribution across 2 distinct examiners and 2 distinct art units allows the company to receive feedback from different perspectives across the technical specialties. The 1 busiest examiner pending action for WONG, EDNA represents a portion of the total pending workload.

In the Chemistry & Materials sector, having 2 pending office actions in 2 distinct art units suggests a development of technology across multiple areas. The 2 distinct examiners provide diversity in the examination process. This structure for the 2 pending office actions means that the company must navigate the specific standards of 2 distinct art units while addressing the individual concerns of 2 distinct examiners, including WONG, EDNA.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Portfolio Summary

2
Total Pending OAs
1
Non-Final OAs
1
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 2 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

0
Overdue
0
Due this week
2
Due this month
0
Due in next 60 days
0
Due later

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.

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

Rejection Statute Mix

BucketCases
§103 only1 (50%)
Multi-statute (no §101)1 (50%)

Industry Mix

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

2
Life Sciences
100% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
0
Business / Other
0% 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.

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

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
WONG, EDNA 1 58.4% -19.7%
KESSLER, CHRISTOPHER S 1 60.1% +14.4%

Hard Cases (1)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18278964 LIGHTFASTNESS IMPROVER FOR ANODIC OXIDE FILM OF DYED ALUMINUM OR ALUMINUM ALLOY AND METHOD FOR IMPROVING LIGHTFASTNESS OF FILM KESSLER, CHRISTOPHER S 14d

Interview Candidates (1)

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 1 ordered by deadline are shown.

App #TitleExaminerDue in
18278964 LIGHTFASTNESS IMPROVER FOR ANODIC OXIDE FILM OF DYED ALUMINUM OR ALUMINUM ALLOY AND METHOD FOR IMPROVING LIGHTFASTNESS OF FILM KESSLER, CHRISTOPHER S 14d

Top Art Units

Art UnitApps
1795 1
1759 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18863155 PLATING FILM MANUFACTURING METHOD WONG, EDNA 1795 §103 Non-Final OA 14d Pending Nov 05, 2024
18278964 LIGHTFASTNESS IMPROVER FOR ANODIC OXIDE FILM OF DYED ALUMINUM OR ALUMINUM ALLOY AND METHOD FOR IMPROVING LIGHTFASTNESS OF FILM KESSLER, CHRISTOPHER S 1759 §102§112 Final Rejection 14d Pending Aug 25, 2023

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