Prosecution Insights
Last updated: October 25, 2026

Miyoshi Oil & Fat Co. Ltd.

Technology areas: Biotechnology & Pharmaceuticals • Chemistry & Materials

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

Analysis

Miyoshi Oil & Fat Co. Ltd. has 5 pending office actions in Chemistry & Materials. The portfolio spans 5 distinct examiners and 5 distinct art units, indicating a fully distributed examination structure across the listed matters.

TRAN, SUSAN T is the busiest examiner, with 1 pending matter. Portfolio oversight should therefore emphasize separate matter-level preparation rather than a dominant examiner relationship.

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

Portfolio Summary

5
Total Pending OAs
3
Non-Final OAs
2
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.

2
Hard (40%)
3
Medium (60%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only2 (40%)
§102 only1 (20%)
Multi-statute (no §101)2 (40%)

Industry Mix

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

5
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.

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
TRAN, SUSAN T 1 63.0% +34.8%
YOO, HONG THI 1 46.0% +25.3%
SHELLHAMMER, JAMES PAUL 1 10.0% +18.8%
BUTCHER, ROBERT T 1 71.3% +16.7%
SAWYER, JENNIFER C 1 68.4% -8.2%

Hard Cases (3)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 3 ordered by deadline are shown.

App #TitleExaminerDue in
18286332 FORMULATION USING AMINO ACID AND CARBOXYLIC ACID, ORGANIC SALT, AND COMPOSITION COMPRISING SAME AND USE THEREOF TRAN, SUSAN T —
18217327 FLAVORED OIL, FOOD COMPRISING FLAVORED OIL, AND METHOD FOR MANUFACTURING FLAVORED OIL YOO, HONG THI —
18252345 OIL AND/OR FAT COMPOSITION, AND BEVERAGE OR FOOD PRODUCT SHELLHAMMER, JAMES PAUL —

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
18286332 FORMULATION USING AMINO ACID AND CARBOXYLIC ACID, ORGANIC SALT, AND COMPOSITION COMPRISING SAME AND USE THEREOF TRAN, SUSAN T —
18217327 FLAVORED OIL, FOOD COMPRISING FLAVORED OIL, AND METHOD FOR MANUFACTURING FLAVORED OIL YOO, HONG THI —
18252345 OIL AND/OR FAT COMPOSITION, AND BEVERAGE OR FOOD PRODUCT SHELLHAMMER, JAMES PAUL —
17979401 BIODEGRADABLE RESIN AQUEOUS DISPERSION, FILM FORMING AGENT USING SAME, AND METHOD FOR FORMING FILM BUTCHER, ROBERT T —

Top Art Units

Art UnitApps
1616 1
1792 1
1793 1
1764 1
1691 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18286332 FORMULATION USING AMINO ACID AND CARBOXYLIC ACID, ORGANIC SALT, AND COMPOSITION COMPRISING SAME AND USE THEREOF TRAN, SUSAN T 1616 §102§103 Non-Final OA — Pending May 10, 2024
18217327 FLAVORED OIL, FOOD COMPRISING FLAVORED OIL, AND METHOD FOR MANUFACTURING FLAVORED OIL YOO, HONG THI 1792 §103§112 Non-Final OA — Pending Jun 30, 2023
18252345 OIL AND/OR FAT COMPOSITION, AND BEVERAGE OR FOOD PRODUCT SHELLHAMMER, JAMES PAUL 1793 §103 Non-Final OA — Pending May 09, 2023
17979401 BIODEGRADABLE RESIN AQUEOUS DISPERSION, FILM FORMING AGENT USING SAME, AND METHOD FOR FORMING FILM BUTCHER, ROBERT T 1764 §103 Final Rejection — Pending Nov 02, 2022
17768753 ORGANIC AMMONIUM SALT AND HYDROGEN-BONDING MATERIAL TREATMENT AGENT USING SAME SAWYER, JENNIFER C 1691 §102 Final Rejection — Pending Apr 13, 2022

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Frequently Asked Questions

How many pending USPTO office actions does Miyoshi Oil & Fat Co. Ltd. have?

Miyoshi Oil & Fat Co. Ltd. has 5 pending office actions as of October 2026, spread across 5 art units and 5 examiners.

Which USPTO examiner handles the most Miyoshi Oil & Fat Co. Ltd. applications?

Susan T Tran has the most, with 1 of Miyoshi Oil & Fat Co. Ltd.'s pending office actions.

What technology area are Miyoshi Oil & Fat Co. Ltd.'s patent applications in?

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

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