Prosecution Insights
Last updated: August 06, 2026

Law Office Of Katsuhiro Arai

13 pending office actions • 6 clients • 13 examiners • 9 art units • 0 of 13 (0%) have an AI response strategy ready • 34 patents granted in the last 365 days

Quality Metrics (n=1356 apps, methodology: how we score firms)

89.1%
Allowance Rate
n=1356
+0.64σ
Allowance Rate (norm)
n=1356
2.8
OAs to Allowance
n=1060
-0.34σ
OAs to Allow (norm)
n=1060
930 days
Time to Allowance
n=1060
+8.3pp
Interview Lift
n=1356
22.1%
RCE Rate
n=1356
0.2%
Appeal Rate
n=1356

Rejection Performance (% of received rejections ultimately overcome)

84.6%
§101 Overcome
n=26
85.7%
§102 Overcome
n=426
87.2%
§103 Overcome
n=766
85.9%
§112 Overcome
n=390

Specialization & Scale

H01G, H01F, Y10T
Top CPC Subclasses
22%
Top-3 CPC Share
n=1356
2
Practitioners
n=1356
678.0
Apps / Practitioner
n=1356

Portfolio Summary

13
Total Pending OAs
8
Non-Final OAs
4
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 3 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
1
Due in next 60 days
0
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. 3 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (1)Due ≤ 30 days (1)Due ≤ 60 days (1)

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.

3
Hard (23%)
10
Medium (77%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only8 (62%)
§102 only2 (15%)
Multi-statute (no §101)3 (23%)

Industry Mix

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

5
Life Sciences
38% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
4
Semiconductors
31% of docket
1
Mechanical / Eng
8% of docket
3
Business / Other
23% 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.

130 h
Manual time on pending OAs
26 h
Time saved (low, 20%)
46 h
Time saved (mid, 35%)
1.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
MATTHEWS, TESSA M 1 83.3% +24.4%
SHAH, MANISH S 1 85.9% +7.6%
YOUNG, WILLIAM D 1 54.4% +15.4%
DOLE, TIMOTHY J 1 74.5% +6.9%
WASHVILLE, JEFFREY D 1 79.8% -4.8%
OYER, ANDREW J 1 79.3% +16.4%
DESAI, ANISH P 1 44.8% +7.5%
HALL, DEVE V. 1 74.9% +16.9%
KIM, SEONG JONG 1
SUN, PINPING 1 74.8% +38.6%

Quick Wins (2)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
19145821 HIGH SHAPE-RETENTION RETRACTOR MATTHEWS, TESSA M
18858091 NON-AQUEOUS INKJET INK COMPOSITION SHAH, MANISH S

Hard Cases (3)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 3 ordered by deadline are shown.

App #TitleExaminerDue in
18580119 CURABLE RESIN COMPOSITION, VARNISH, PREPREG, AND CURED PRODUCT WASHVILLE, JEFFREY D
18567227 ANTI-MIGRATION COATING AGENT DESAI, ANISH P
18303497 COIL COMPONENT, CIRCUIT BOARD ARRANGEMENT, ELECTRONIC DEVICE AND METHOD OF MANUFACTURING COIL COMPONENT SUN, PINPING

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
18264883 WHITE INK COMPOSITION HALL, DEVE V. 2d overdue
18702728 CONDUCTIVE RESIN COMPOSITION YOUNG, WILLIAM D 22d
19145821 HIGH SHAPE-RETENTION RETRACTOR MATTHEWS, TESSA M
18568191 COOLANT COMPOSITION FOR FUEL CELL OYER, ANDREW J
18303497 COIL COMPONENT, CIRCUIT BOARD ARRANGEMENT, ELECTRONIC DEVICE AND METHOD OF MANUFACTURING COIL COMPONENT SUN, PINPING

Client Portfolio (6 clients)

Top Art Units

Art UnitApps
16922
37731
28531
17611
28001
17631
16211
28721
28371

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
19145821 HIGH SHAPE-RETENTION RETRACTOR Shinwa Syoji Co., Ltd. MATTHEWS, TESSA M 3773 §103 Non-Final OA Pending Jul 03, 2025
18858091 NON-AQUEOUS INKJET INK COMPOSITION Sakata Inx Corporation SHAH, MANISH S 2853 §103 Non-Final OA Pending Oct 18, 2024
18702728 CONDUCTIVE RESIN COMPOSITION Sakata Inx Corporation YOUNG, WILLIAM D 1761 §103 Final Rejection 22d Pending Apr 18, 2024
18423067 DIELECTRIC MATERIAL COMPRISING MAIN COMPONENT AND FIRST, SECOND, AND THIRD SUBCOMPONENTS AND MULTILAYER CERAMIC ELECTRONIC DEVICE COMPRISING SAME Taiyo Yuden Co., Ltd. DOLE, TIMOTHY J 2800 §103 Final Rejection Pending Jan 25, 2024
18580119 CURABLE RESIN COMPOSITION, VARNISH, PREPREG, AND CURED PRODUCT Honshu Chemical Industry Co., Ltd. WASHVILLE, JEFFREY D §102§103 Non-Final OA Pending Jan 17, 2024
18568191 COOLANT COMPOSITION FOR FUEL CELL Cci Holdings Inc. OYER, ANDREW J §102 Non-Final OA Pending Dec 07, 2023
18567227 ANTI-MIGRATION COATING AGENT Sakata Inx Corporation DESAI, ANISH P §102§103§112 Non-Final OA Pending Dec 05, 2023
18264883 WHITE INK COMPOSITION Sakata Inx Corporation HALL, DEVE V. 1763 §103 Final Rejection 2d overdue Pending Aug 09, 2023
18272055 NOVEL BENZOXAZINE COMPOUND, RESIN RAW MATERIAL COMPOSITION CONTAINING THE SAME, CURABLE RESIN COMPOSITION, AND CURED PRODUCT THEREOF Honshu Chemical Industry Co., Ltd. KIM, SEONG JONG 1621 §103 Non-Final OA Pending Jul 12, 2023
18303497 COIL COMPONENT, CIRCUIT BOARD ARRANGEMENT, ELECTRONIC DEVICE AND METHOD OF MANUFACTURING COIL COMPONENT Taiyo Yuden Co., Ltd. SUN, PINPING 2872 §102§112 Non-Final OA Pending Apr 19, 2023
18171169 COIL COMPONENT, CIRCUIT BOARD ARRANGEMENT, ELECTRONIC DEVICE, AND METHOD OF MANUFACTURING COIL COMPONENT Taiyo Yuden Co., Ltd. LIAN, MANG TIN BIK 2837 §103 Non-Final OA Pending Feb 17, 2023
17996070 METHOD FOR PRODUCING ORGANOMETALLIC NUCLEOPHILE AND REACTION METHOD USING ORGANOMETALLIC NUCLEOPHILE National University Corporation Hokkaido University HOU, FRANK S 1692 §102 Non-Final OA Pending Oct 12, 2022
17771427 METHOD FOR PRODUCING 2,2'-BIS(CARBOXYMETHOXY)-1,1'-BINAPHTHYL Honshu Chemical Industry Co., Ltd. KELLY-O'NEILL, YOLANDA LYNNETTE 1692 §103 Final Rejection 34d Pending Apr 22, 2022

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