Prosecution Insights
Last updated: October 04, 2026

Sekisui Kasei Co. Ltd.

Technology areas: Chemistry & Materials • Medical Devices & Mechanical Engineering

5 pending office actions • 3 art units • 5 examiners • 0 of 5 (0%) have an AI response strategy ready • 10 patents granted in the last 365 days

Analysis

Sekisui Kasei Co. Ltd. is currently managing 5 pending office actions in the Chemistry & Materials technology area. These actions are assigned to 5 distinct examiners, ensuring that each pending matter is being reviewed by a different official. The prosecution is distributed across 3 distinct art units, showing a range of technical focuses within the chemistry sector for the company's current applications.

The busiest examiner for the company is COHEN, MICHAEL P, who is responsible for 1 busiest examiner pending office action. Since there are 5 pending office actions and 5 distinct examiners, the workload is evenly split among them. The fact that 5 distinct examiners are operating within 3 distinct art units suggests that some examiners are working within the same technical groups to review the company's applications. This structure requires managing 5 separate examiner interactions while coordinating technical arguments across the 3 distinct art units currently active in the portfolio.

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

Portfolio Summary

5
Total Pending OAs
1
Non-Final OAs
3
Final Rejections
1
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.

1
Hard (20%)
4
Medium (80%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only3 (60%)
§102 only1 (20%)
Multi-statute (no §101)1 (20%)

Industry Mix

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

3
Life Sciences
60% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
1
Mechanical / Eng
20% of docket
1
Business / Other
20% 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.

50 h
Manual time on pending OAs
10 h
Time saved (low, 20%)
18 h
Time saved (mid, 35%)
0.4 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
COHEN, MICHAEL P 1 58.7% +27.5%
REDDY, KARUNA P 1 42.5% +10.4%
BLAISE, BRADFORD CHRISTOPHER 1 60.7% +31.5%
KRYLOVA, IRINA 1 36.7% +48.5%
FISCHER, JUSTIN R 1 44.3% +2.3%

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
18851797 PARTICLE-CONTAINING HYDROGEL COHEN, MICHAEL P —

Interview Candidates (4)

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 4 ordered by deadline are shown.

App #TitleExaminerDue in
18851797 PARTICLE-CONTAINING HYDROGEL COHEN, MICHAEL P —
18644454 HOLLOW POLYMER PARTICLES AND METHOD FOR MANUFACTURING SAME REDDY, KARUNA P —
18695488 BIOELECTRODE BLAISE, BRADFORD CHRISTOPHER —
18283084 HOLLOW PARTICLES AND USE THEREOF KRYLOVA, IRINA —

Top Art Units

Art UnitApps
1764 2
3794 1
1749 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18851797 PARTICLE-CONTAINING HYDROGEL COHEN, MICHAEL P — §103§112 Non-Final OA — Pending Sep 27, 2024
18644454 HOLLOW POLYMER PARTICLES AND METHOD FOR MANUFACTURING SAME REDDY, KARUNA P 1764 §103 Final Rejection — Pending Apr 24, 2024
18695488 BIOELECTRODE BLAISE, BRADFORD CHRISTOPHER 3794 §102 Non-Final OA — Pending Mar 26, 2024
18283084 HOLLOW PARTICLES AND USE THEREOF KRYLOVA, IRINA 1764 §103 Final Rejection — Pending Sep 20, 2023
18283094 COMPOSITE RESIN PARTICLES, COMPOSITE RESIN FOAMING PARTICLES, AND FOAM MOLDED BODY FISCHER, JUSTIN R 1749 §103 Final Rejection — Pending Sep 20, 2023

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