Prosecution Insights
Last updated: October 02, 2026

Mizkan Holdings Co. Ltd.

Technology area: Chemistry & Materials

6 pending office actions • 3 art units • 6 examiners • 0 of 6 (0%) have an AI response strategy ready • 4 patents granted in the last 365 days

Analysis

Mizkan Holdings Co. Ltd. holds 5 pending office actions within the Chemistry & Materials technology area. These actions are spread across 5 distinct examiners, meaning no single official is handling multiple cases. This distribution requires the company to manage five separate examiner relationships simultaneously, which can lead to varied prosecution outcomes. The 5 pending actions represent a diverse set of chemical applications that have attracted the attention of 5 different officials.

The portfolio is organized into 2 distinct art units, which suggests some level of technical grouping despite the variety of examiners. MERRIAM, ANDREW E is the busiest examiner with 1 pending office action. With 5 pending actions and only 2 art units, the company will likely encounter multiple examiners within the same departmental environment. This concentration in 2 distinct art units allows for some strategic consistency, as the 5 distinct examiners in each unit may share similar views on chemistry and materials patentability. Practitioners should focus on identifying the specific trends within the 2 distinct art units to better predict the behavior of the 5 distinct examiners. While each of the 5 pending office actions must be addressed individually, the departmental standards of the 2 art units will provide the necessary context for successful prosecution.

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

Portfolio Summary

6
Total Pending OAs
4
Non-Final OAs
2
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.

1
Overdue
0
Due this week
1
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.

5
Hard (83%)
1
Medium (17%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only1 (17%)
Multi-statute (no §101)5 (83%)

Industry Mix

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

5
Life Sciences
83% 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
17% 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.

60 h
Manual time on pending OAs
12 h
Time saved (low, 20%)
21 h
Time saved (mid, 35%)
0.5 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
MERRIAM, ANDREW E 1 26.8% +32.4%
GWARTNEY, ELIZABETH A 1 36.0% +34.8%
YOO, HONG THI 1 45.8% +26.0%
LIU, DEBORAH YANG-HAO 1 8.9% +12.3%
LEBLANC, KATHERINE DEGUIRE 1 34.6% +35.8%
LEFF, STEVEN N 1 41.3% +7.9%

Hard Cases (6)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 6 ordered by deadline are shown.

App #TitleExaminerDue in
17208499 DRY PLANT POWDER HAVING ENHANCED SWEET FLAVOR, AND FOOD/DRINK LEFF, STEVEN N 128d overdue
18649172 STARCH-CONTAINING SWOLLEN COMPOSITION AND PRODUCTION METHOD THEREFOR, AND FERMENTED COMPOSITION AND PRODUCTION METHOD THEREFOR GWARTNEY, ELIZABETH A 14d
18933112 POWDERY FOOD CONTAINING STARCH-CONTAINING PLANT-DERIVED POWDER MERRIAM, ANDREW E —
18417990 ACETIC ACID-CONTAINING COMPOSITION YOO, HONG THI —
18273656 PUFFED FOOD COMPOSITION CONTAINING BEANS AND/OR MILLET, AND METHOD FOR PRODUCING SAME LIU, DEBORAH YANG-HAO —
18166856 SWOLLEN COMPOSITION CONTAINING STARCH AND METHOD FOR PRODUCING SAME LEBLANC, KATHERINE DEGUIRE —

Interview Candidates (5)

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 5 ordered by deadline are shown.

App #TitleExaminerDue in
18649172 STARCH-CONTAINING SWOLLEN COMPOSITION AND PRODUCTION METHOD THEREFOR, AND FERMENTED COMPOSITION AND PRODUCTION METHOD THEREFOR GWARTNEY, ELIZABETH A 14d
18933112 POWDERY FOOD CONTAINING STARCH-CONTAINING PLANT-DERIVED POWDER MERRIAM, ANDREW E —
18417990 ACETIC ACID-CONTAINING COMPOSITION YOO, HONG THI —
18273656 PUFFED FOOD COMPOSITION CONTAINING BEANS AND/OR MILLET, AND METHOD FOR PRODUCING SAME LIU, DEBORAH YANG-HAO —
18166856 SWOLLEN COMPOSITION CONTAINING STARCH AND METHOD FOR PRODUCING SAME LEBLANC, KATHERINE DEGUIRE —

Top Art Units

Art UnitApps
1792 2
1791 2
1759 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18933112 POWDERY FOOD CONTAINING STARCH-CONTAINING PLANT-DERIVED POWDER MERRIAM, ANDREW E — §102§103§112 Non-Final OA — Pending Oct 31, 2024
18649172 STARCH-CONTAINING SWOLLEN COMPOSITION AND PRODUCTION METHOD THEREFOR, AND FERMENTED COMPOSITION AND PRODUCTION METHOD THEREFOR GWARTNEY, ELIZABETH A 1759 §103§112 Non-Final OA 14d Pending Apr 29, 2024
18417990 ACETIC ACID-CONTAINING COMPOSITION YOO, HONG THI 1792 §103§112 Non-Final OA — Pending Jan 19, 2024
18273656 PUFFED FOOD COMPOSITION CONTAINING BEANS AND/OR MILLET, AND METHOD FOR PRODUCING SAME LIU, DEBORAH YANG-HAO 1791 §103 Final Rejection — Pending Jul 21, 2023
18166856 SWOLLEN COMPOSITION CONTAINING STARCH AND METHOD FOR PRODUCING SAME LEBLANC, KATHERINE DEGUIRE 1791 §103§112 Non-Final OA — Pending Feb 09, 2023
17208499 DRY PLANT POWDER HAVING ENHANCED SWEET FLAVOR, AND FOOD/DRINK LEFF, STEVEN N 1792 §102§112 Final Rejection 128d overdue Pending Mar 22, 2021

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