Prosecution Insights
Last updated: October 25, 2026

Arisawa MFG. Co., Ltd.

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

2 pending office actions • 2 art units • 2 examiners • 0 of 2 (0%) have an AI response strategy ready • 3 patents granted in the last 365 days

Analysis

Arisawa MFG. Co., Ltd. currently manages 2 pending office actions within the Chemistry & Materials technology area. These matters are distributed across 2 distinct art units, which suggests the portfolio covers diverse technical sub-sectors within the broader materials science field. The involvement of 2 distinct examiners indicates that the prosecution process is not centralized under a single individual, potentially requiring different advocacy approaches for each application. This distribution across 2 distinct art units may also imply that the company is navigating different sets of examination guidelines within the patent office.

The examiner HESTER, HOLLEY GRACE is currently the busiest examiner for this portfolio, holding 1 pending office action. While this individual manages 1 pending office action, the total volume of 2 pending office actions remains low, suggesting a manageable prosecution pipeline. Because there are 2 distinct examiners for only 2 pending office actions, the company experiences a high ratio of examiners to active cases. This relationship between the 2 pending office actions and the 2 distinct examiners means that no single examiner's habits will dominate the overall prosecution results for the current Chemistry & Materials filings.

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

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 1 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

1
Overdue
0
Due this week
0
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.

1
Life Sciences
50% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
1
Mechanical / Eng
50% 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
HESTER, HOLLEY GRACE 1 67.2% +41.1%
KING, BRIAN M 1 70.3% +23.7%

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
18266023 INSULATED CONTAINER, AND MAGNETOENCEPHALOGRAPH AND MAGNETOSPINOGRAPH INCLUDING SAME KING, BRIAN M 74d overdue

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
18266023 INSULATED CONTAINER, AND MAGNETOENCEPHALOGRAPH AND MAGNETOSPINOGRAPH INCLUDING SAME KING, BRIAN M 74d overdue
18692451 THERMOSETTING RESIN COMPOSITION, COVERLAY FILM, ADHESIVE SHEET, AND FLEXIBLE PRINTED CIRCUIT BOARD HESTER, HOLLEY GRACE —

Top Art Units

Art UnitApps
1766 1
3763 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18692451 THERMOSETTING RESIN COMPOSITION, COVERLAY FILM, ADHESIVE SHEET, AND FLEXIBLE PRINTED CIRCUIT BOARD HESTER, HOLLEY GRACE 1766 §103Other Non-Final OA — Pending Mar 15, 2024
18266023 INSULATED CONTAINER, AND MAGNETOENCEPHALOGRAPH AND MAGNETOSPINOGRAPH INCLUDING SAME KING, BRIAN M 3763 §103§112 Non-Final OA 74d overdue Pending Jun 08, 2023

Managing Arisawa MFG. Co., Ltd.'s Patent Portfolio?

IP Author helps IP teams respond to office actions faster with AI-generated responses, examiner analytics, and prosecution intelligence.

Start Free Trial

Frequently Asked Questions

How many pending USPTO office actions does Arisawa MFG. Co., Ltd. have?

Arisawa MFG. Co., Ltd. has 2 pending office actions as of October 2026, spread across 2 art units and 2 examiners.

Which USPTO examiner handles the most Arisawa MFG. Co., Ltd. applications?

Holley Grace Hester has the most, with 1 of Arisawa MFG. Co., Ltd.'s pending office actions.

What technology area are Arisawa MFG. Co., Ltd.'s patent applications in?

Mostly Chemistry & Materials (USPTO Tech Center 1700), based on where its pending office actions are examined.

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month