Prosecution Insights
Last updated: October 04, 2026

Seiren Co., Ltd.

Technology area: Chemistry & Materials

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

Analysis

Seiren Co., Ltd. currently has 3 pending office actions within the Chemistry & Materials technology area. These actions are being handled by 3 distinct examiners, which indicates that each pending matter is under the review of a different USPTO official. This distribution requires the company to manage separate examiner relationships simultaneously, as no single examiner is overseeing multiple cases in this set of pending office actions.

The pending office actions are located within 2 distinct art units. This suggests that while the technical subject matter is concentrated in the Chemistry & Materials area, the prosecution is split between different administrative groups at the USPTO. ANDREW T PIZIALI is the busiest examiner for the portfolio, currently responsible for 1 pending office action. Because the busiest examiner pending count is this single action, the workload is evenly split among the distinct examiners.

Practitioners should note that with the distinct examiners for the pending office actions, there is no opportunity to leverage a single examiner's feedback across multiple pending cases. The involvement of 2 distinct art units also means that the company must navigate the specific internal practices of different USPTO divisions. This structure suggests a need for individualized prosecution tactics for each of the active matters currently in the portfolio.

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

Portfolio Summary

2
Total Pending OAs
2
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.

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.

1
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
1
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.

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
PIZIALI, ANDREW T 1 28.3% +27.3%
TATESURE, VINCENT 1 44.9% +31.5%

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
18897240 CONDUCTIVE FABRIC PIZIALI, ANDREW T —

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
18897240 CONDUCTIVE FABRIC PIZIALI, ANDREW T —
18724810 SYNTHETIC LEATHER TATESURE, VINCENT —

Top Art Units

Art UnitApps
1786 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18897240 CONDUCTIVE FABRIC PIZIALI, ANDREW T — §102§103§112 Non-Final OA — Pending Sep 26, 2024
18724810 SYNTHETIC LEATHER TATESURE, VINCENT 1786 §103 Non-Final OA — Pending Jun 27, 2024

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