Prosecution Insights
Last updated: October 04, 2026

Eiken Kagaku Kabushiki Kaisha

Technology area: Biotechnology & Pharmaceuticals

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

Eiken Kagaku Kabushiki Kaisha currently manages 2 pending office actions within the Biotechnology & Pharmaceuticals technology area. This volume of active prosecution suggests a focused engagement with the patent office. The distribution of these matters is spread across 2 distinct examiners, which indicates the portfolio is not concentrated under the review of a single individual.

Furthermore, the portfolio involves 2 distinct art units. This variety in art units suggests that the company's innovations span different technical niches within the broader biotechnology sector. Practitioners should note that the busiest examiner for this portfolio is YOUNG, BRIAN ELLIS, who is currently handling 1 pending office action.

Having 1 pending action with the busiest examiner means that the workload is distributed among the 2 distinct examiners. This lack of concentration can be beneficial for risk management, as prosecution outcomes are not dependent on the tendencies of a specific examiner. For the practitioner, this requires maintaining familiarity with the specific preferences of YOUNG, BRIAN ELLIS and the other assigned examiner across the 2 distinct art units.

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.

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 (50%)
0
Medium (0%)
1
Easy (50%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§112 only1 (50%)
Multi-statute (no §101)1 (50%)

Industry Mix

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

2
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.

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
YOUNG, BRIAN ELLIS 1 65.8% +24.8%
GROOMS, TIFFANY NICOLE 1 57.8% +46.3%

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
17776993 Method for Detecting Undifferentiated Cells GROOMS, TIFFANY NICOLE 29d

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
17776993 Method for Detecting Undifferentiated Cells GROOMS, TIFFANY NICOLE 29d
17811485 METHOD FOR DETECTING TARGET NUCLEIC ACID AND NUCLEIC ACID PROBE USED THEREIN YOUNG, BRIAN ELLIS —

Top Art Units

Art UnitApps
1682 1
1637 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
17811485 METHOD FOR DETECTING TARGET NUCLEIC ACID AND NUCLEIC ACID PROBE USED THEREIN YOUNG, BRIAN ELLIS 1682 §112Other Non-Final OA — Pending Jul 08, 2022
17776993 Method for Detecting Undifferentiated Cells GROOMS, TIFFANY NICOLE 1637 §102§103 Non-Final OA 29d Pending May 13, 2022

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