Prosecution Insights
Last updated: August 15, 2026

MITSUBISHI PENCIL Company, Limited

16 pending office actions • 8 art units • 14 examiners • 0 of 16 (0%) have an AI response strategy ready • 14 patents granted in the last 365 days

Portfolio Summary

16
Total Pending OAs
12
Non-Final OAs
2
Final Rejections
2
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 5 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

1
Overdue
0
Due this week
2
Due this month
0
Due in next 60 days
2
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 5 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (1)Due ≤ 30 days (2)Due later (2)

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.

6
Hard (38%)
10
Medium (62%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only6 (38%)
§102 only1 (6%)
Double-patenting + other3 (19%)
Multi-statute (no §101)6 (38%)

Industry Mix

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

9
Life Sciences
56% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
2
Mechanical / Eng
12% of docket
5
Business / Other
31% 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.

160 h
Manual time on pending OAs
32 h
Time saved (low, 20%)
56 h
Time saved (mid, 35%)
1.4 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
OLIVER, BRADLEY S 3 60.9% +14.2%
YOUNG, WILLIAM D 1 54.4% +15.4%
THOMAS, JAISON P 1 82.6% +17.9%
NGUYEN, HAIDUNG D 1 65.0% +28.2%
PATTERSON, MICHAEL CHRISTOPHER 1 50.0% +64.0%
FUBARA, BLESSING M 1 62.1% +34.1%
PALENIK, JEFFREY T 1 53.8% +26.8%
NGUYEN, KHANH TUAN 1 74.4% +18.7%
HALL, DEVE V. 1 75.0% +16.9%
BROWE, DAVID 1 26.2% +27.7%

Quick Wins (1)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
19106315 SLURRY COMPOSITION FOR NEGATIVE ELECTRODES FOR SECONDARY BATTERIES THOMAS, JAISON P

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
18250470 MARKER COMPOSITION FOR SKIN YU, HONG 12d
18558081 ANTIMICROBIAL PARTICLE DISPERSION BROWE, DAVID 84d
19106144 BATTERY ELECTRODE GRAPHITE DISPERSION NGUYEN, HAIDUNG D
18865009 INK STORAGE MEMBER FOR WRITING IMPLEMENTS OLIVER, BRADLEY S
18551063 OILY INK COMPOSITION FOR WRITING UTENSIL BARZACH, JEFFREY EUGENE
18274996 PRUSSIAN BLUE DISPERSION FOR COSMETICS, AND COSMETICS INCLUDING SAME LIU, TRACY

Interview Candidates (12)

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 8 ordered by deadline are shown.

App #TitleExaminerDue in
18726214 WRITING IMPLEMENT REFILL AND METHOD OF ENGRAVING WRITING IMPLEMENT REFILL OLIVER, BRADLEY S 27d
18690892 REDUCING PARTICLE DISPERSION NGUYEN, KHANH TUAN 84d
18558081 ANTIMICROBIAL PARTICLE DISPERSION BROWE, DAVID 84d
19114966 CARBON MATERIAL DISPERSION SOLUTION AND SLURRY COMPOSITION FOR SECONDARY BATTERY NEGATIVE ELECTRODES IN WHICH SAME IS USED YOUNG, WILLIAM D
18833481 LIQUID STORAGE MEMBER FOR COATING TOOLS OLIVER, BRADLEY S
19106315 SLURRY COMPOSITION FOR NEGATIVE ELECTRODES FOR SECONDARY BATTERIES THOMAS, JAISON P
19106144 BATTERY ELECTRODE GRAPHITE DISPERSION NGUYEN, HAIDUNG D
18875352 KNOCK TYPE WRITING INSTRUMENT PATTERSON, MICHAEL CHRISTOPHER

Top Art Units

Art UnitApps
1761 2
3754 2
1614 2
1613 1
1615 1
1617 1
1731 1
1732 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19114966 CARBON MATERIAL DISPERSION SOLUTION AND SLURRY COMPOSITION FOR SECONDARY BATTERY NEGATIVE ELECTRODES IN WHICH SAME IS USED YOUNG, WILLIAM D 1761 §103 Non-Final OA Pending Mar 25, 2025
18833481 LIQUID STORAGE MEMBER FOR COATING TOOLS OLIVER, BRADLEY S §103 Non-Final OA Pending Mar 10, 2025
19106315 SLURRY COMPOSITION FOR NEGATIVE ELECTRODES FOR SECONDARY BATTERIES THOMAS, JAISON P §103 Non-Final OA Pending Feb 25, 2025
19106144 BATTERY ELECTRODE GRAPHITE DISPERSION NGUYEN, HAIDUNG D §102§112 Non-Final OA Pending Feb 24, 2025
18875352 KNOCK TYPE WRITING INSTRUMENT PATTERSON, MICHAEL CHRISTOPHER §102 Non-Final OA Pending Dec 16, 2024
18865009 INK STORAGE MEMBER FOR WRITING IMPLEMENTS OLIVER, BRADLEY S 3754 §103§112 Non-Final OA Pending Nov 12, 2024
18726214 WRITING IMPLEMENT REFILL AND METHOD OF ENGRAVING WRITING IMPLEMENT REFILL OLIVER, BRADLEY S 3754 §103 Non-Final OA 27d Pending Jul 02, 2024
18722637 AQUEOUS LIQUID COSMETIC MATERIAL FUBARA, BLESSING M 1613 §103DP Non-Final OA Pending Jun 21, 2024
18717176 AQUEOUS LIQUID COSMETIC PALENIK, JEFFREY T 1615 §102§103§112DP Final Rejection Pending Jun 06, 2024
18690892 REDUCING PARTICLE DISPERSION NGUYEN, KHANH TUAN 1761 §103 Non-Final OA 84d Pending Mar 11, 2024
18291354 AQUEOUS INK COMPOSITION FOR WRITING INSTRUMENTS HALL, DEVE V. §103 Non-Final OA Pending Jan 23, 2024
18558081 ANTIMICROBIAL PARTICLE DISPERSION BROWE, DAVID 1617 §103§112 Non-Final OA 84d Pending Oct 30, 2023
18551063 OILY INK COMPOSITION FOR WRITING UTENSIL BARZACH, JEFFREY EUGENE 1731 §102§103 Non-Final OA Pending Sep 18, 2023
18278733 COMPOSITE COLORED PARTICLES LIOTT, CAROLINE DUSHECK 1732 §103§112DP Non-Final OA 70d overdue Pending Aug 24, 2023
18274996 PRUSSIAN BLUE DISPERSION FOR COSMETICS, AND COSMETICS INCLUDING SAME LIU, TRACY 1614 §103§112 Non-Final OA Pending Jul 29, 2023
18250470 MARKER COMPOSITION FOR SKIN YU, HONG 1614 §103§112 Final Rejection 12d Pending Apr 25, 2023

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