Prosecution Insights
Last updated: October 01, 2026

Yamazen Corporation

Technology area: Chemistry & Materials

1 pending office actions • 1 art units • 1 examiners • 0 of 1 (0%) have an AI response strategy ready

Analysis

Yamazen Corporation currently manages a focused patent portfolio within the Chemistry & Materials technology area. The company has 1 pending office action across its active filings. This workload is handled by 1 distinct examiner, indicating a concentrated prosecution pipeline at this stage. Such concentration often simplifies the management of intellectual property as it limits the number of examiner interactions required to advance the portfolio.

The prosecution activity is limited to 1 distinct art unit. PEO, KARA M is identified as the busiest examiner for the portfolio. This examiner is responsible for 1 pending office action, which represents the entirety of the company's current pending workload. The alignment of 1 distinct examiner to 1 distinct art unit suggests a narrow technical focus for the pending matters. For a practitioner, this means that the outcome of the entire pending portfolio currently rests on the decisions of the individual examiner within the patent office.

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

Portfolio Summary

1
Total Pending OAs
1
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 (100%)
0
Medium (0%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other1 (100%)

Industry Mix

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

1
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.

10 h
Manual time on pending OAs
2 h
Time saved (low, 20%)
4 h
Time saved (mid, 35%)
0.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
PEO, KARA M 1 42.5% +37.3%

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
18163406 SEPARATION CHROMATOGRAPHY SUPPORTING DEVICE, SEPARATION CHROMATOGRAPHY APPARATUS, AND SEPARATION CHROMATOGRAPHY METHOD PEO, KARA M —

Interview Candidates (1)

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 1 ordered by deadline are shown.

App #TitleExaminerDue in
18163406 SEPARATION CHROMATOGRAPHY SUPPORTING DEVICE, SEPARATION CHROMATOGRAPHY APPARATUS, AND SEPARATION CHROMATOGRAPHY METHOD PEO, KARA M —

Top Art Units

Art UnitApps
1777 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18163406 SEPARATION CHROMATOGRAPHY SUPPORTING DEVICE, SEPARATION CHROMATOGRAPHY APPARATUS, AND SEPARATION CHROMATOGRAPHY METHOD PEO, KARA M 1777 §101§102§112 Non-Final OA — Pending Feb 02, 2023

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