Prosecution Insights
Last updated: October 25, 2026

Nihon Trim Co. Ltd.

Technology areas: Biotechnology & Pharmaceuticals • Chemistry & Materials

3 pending office actions • 3 art units • 3 examiners • 0 of 3 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days

Analysis

Nihon Trim Co. Ltd. manages 3 pending office actions within the Biotechnology & Pharmaceuticals technology area. These actions are assigned to 3 distinct examiners across distinct art units. This distribution indicates that each of the pending office actions is being reviewed by a different examiner and within a different technical unit, requiring the applicant to manage separate prosecution tracks without any overlap.

ANTHOPOLOS, PETER is the busiest examiner, currently handling 1 pending office action. With 3 pending office actions and distinct examiners, the workload is decentralized, meaning that the prosecution of each application will be subject to the individual preferences and styles of different examiners. This lack of concentration requires a tailored approach for each matter currently pending at the USPTO.

The use of distinct art units for the pending office actions suggests that the company's technology is being evaluated across several specialized groups in the Biotechnology & Pharmaceuticals sector. This necessitates a broad understanding of different art unit cultures and policies. Practitioners should be prepared to navigate different examiner relationships and art unit environments to successfully manage the current pending workload.

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

Portfolio Summary

3
Total Pending OAs
1
Non-Final OAs
2
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.

0
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.

1
Hard (33%)
1
Medium (33%)
0
Easy (0%)
1
Unknown (33%)

Rejection Statute Mix

BucketCases
§103 only1 (33%)
Multi-statute (no §101)1 (33%)
No statute on record1 (33%)

Industry Mix

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

3
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.

30 h
Manual time on pending OAs
6 h
Time saved (low, 20%)
10 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
ANTHOPOLOS, PETER 1 57.4% +58.6%
NGUYEN, JOHN P 1 43.9% +41.8%
CONTRERAS, CIEL P 1 54.3% +33.6%

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
18730182 METHOD FOR GROWTH OF AKKERMANSIA MUCINIPHILA COMPRISING ADMINISTERING PLATINUM NANOPARTICLES ANTHOPOLOS, PETER —

Interview Candidates (3)

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 3 ordered by deadline are shown.

App #TitleExaminerDue in
18264815 HYDROGEN WATER FOR PREVENTION OF ALCOHOLIC HEPATOPATHY NGUYEN, JOHN P 29d
18730182 METHOD FOR GROWTH OF AKKERMANSIA MUCINIPHILA COMPRISING ADMINISTERING PLATINUM NANOPARTICLES ANTHOPOLOS, PETER —
18257340 Electrolytic cell and water supply device CONTRERAS, CIEL P —

Top Art Units

Art UnitApps
1611 1
1619 1
1794 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18730182 METHOD FOR GROWTH OF AKKERMANSIA MUCINIPHILA COMPRISING ADMINISTERING PLATINUM NANOPARTICLES ANTHOPOLOS, PETER 1611 §102§103§112 Non-Final OA — Pending Jul 18, 2024
18264815 HYDROGEN WATER FOR PREVENTION OF ALCOHOLIC HEPATOPATHY NGUYEN, JOHN P 1619 §103 Final Rejection 29d Pending Aug 09, 2023
18257340 Electrolytic cell and water supply device CONTRERAS, CIEL P 1794 — Final Rejection — Pending Jun 14, 2023

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Frequently Asked Questions

How many pending USPTO office actions does Nihon Trim Co. Ltd. have?

Nihon Trim Co. Ltd. has 3 pending office actions as of October 2026, spread across 3 art units and 3 examiners.

Which USPTO examiner handles the most Nihon Trim Co. Ltd. applications?

Peter Anthopolos has the most, with 1 of Nihon Trim Co. Ltd.'s pending office actions.

What technology area are Nihon Trim Co. Ltd.'s patent applications in?

Mostly Biotechnology & Pharmaceuticals (USPTO Tech Center 1600), based on where its pending office actions are examined.

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