Prosecution Insights
Last updated: October 25, 2026

Masao Yoshimura, Chen Yoshimura LLP

Technology areas: Semiconductors, Circuits & Optics • Transportation, E-Commerce & Mechanical Systems

7 pending office actions • 2 clients • 7 examiners • 5 art units • 0 of 7 (0%) have an AI response strategy ready

Analysis

MASAO YOSHIMURA, CHEN YOSHIMURA LLP has managed 3244 career applications, maintaining a resolved allowance rate of 91.15 percent. This volume of 3244 career applications demonstrates the firm's history of patent prosecution. The resolved allowance rate of 91.15 percent reflects the frequency of outcomes for their clients.

The firm currently has 6 pending office actions, primarily in the Semiconductors, Circuits & Optics technology area. They average 2.56 office actions per allowance. This average of 2.56 office actions per allowance indicates the level of examiner interaction required to reach a grant. The 6 pending office actions show the firm's current active engagement in Semiconductors, Circuits & Optics.

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

Quality Metrics (n=3244 apps, methodology: how we score firms)

91.2%
Allowance Rate
n=3244
+0.63σ
Allowance Rate (norm)
n=3244
2.6
OAs to Allowance
n=2689
-0.42σ
OAs to Allow (norm)
n=2689
940 days
Time to Allowance
n=2689
+4.5pp
Interview Lift
n=3244
17.6%
RCE Rate
n=3244
1.6%
Appeal Rate
n=3244

Rejection Performance (% of received rejections ultimately overcome)

84.9%
§101 Overcome
n=152
86.5%
§102 Overcome
n=1046
87.5%
§103 Overcome
n=1821
87.8%
§112 Overcome
n=729

Specialization & Scale

G06F, G02F, G02B
Top CPC Subclasses
20%
Top-3 CPC Share
n=3244
5
Practitioners
n=3244
648.8
Apps / Practitioner
n=3244

Portfolio Summary

7
Total Pending OAs
4
Non-Final OAs
2
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
0
Due in next 60 days
1
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 later (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.

1
Hard (14%)
5
Medium (71%)
1
Easy (14%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only5 (71%)
§112 only1 (14%)
Multi-statute (no §101)1 (14%)

Industry Mix

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

0
Life Sciences
0% of docket
1
Information Tech
14% of docket
0
Communications
0% of docket
3
Semiconductors
43% of docket
2
Mechanical / Eng
29% of docket
1
Business / Other
14% 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.

70 h
Manual time on pending OAs
14 h
Time saved (low, 20%)
24 h
Time saved (mid, 35%)
0.6 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
MCFADDEN, MICHAEL P 1 86.5% +19.6%
DORAISWAMY, RANJIT P 1 64.2% +41.2%
CATINA, MICHAEL ANTHONY 1 31.7% +30.6%
MAKHDOOM, SAMARINA 1 72.3% +27.2%
SCHREIBER, CHRISTINA MARIE 1 79.4% +15.6%
UHLIR, CHRISTOPHER J 1 61.9% +10.0%
SCOLES, PHILIP GRANT 1 55.6% +16.7%

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
19071129 MULTILAYER CERAMIC ELECTRONIC COMPONENT AND METHOD OF MANUFACTURING THE SAME MCFADDEN, MICHAEL P —

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
18787793 MEASURING APPARATUS AND MEASURING METHOD CATINA, MICHAEL ANTHONY —

Interview Candidates (7)

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 7 ordered by deadline are shown.

App #TitleExaminerDue in
17847599 ELECTRONIC DEVICE, ELECTRONIC MUSICAL INSTRUMENT, AND METHOD THEREFOR UHLIR, CHRISTOPHER J 114d overdue
18364287 INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM MAKHDOOM, SAMARINA 21d
17826073 METHODS, INFORMATION PROCESSING DEVICE, AND IMAGE DISPLAY SYSTEM FOR ELECTRONIC MUSICAL INSTRUMENTS SCOLES, PHILIP GRANT 70d
19071129 MULTILAYER CERAMIC ELECTRONIC COMPONENT AND METHOD OF MANUFACTURING THE SAME MCFADDEN, MICHAEL P —
18818566 SEARCH DEVICE, SEARCH SYSTEM, SEARCH METHOD, AND RECORDING MEDIUM DORAISWAMY, RANJIT P —
18787793 MEASURING APPARATUS AND MEASURING METHOD CATINA, MICHAEL ANTHONY —
18183686 MANIPULATOR FOR ELECTRONIC MUSICAL INSTRUMENTS SCHREIBER, CHRISTINA MARIE —

Client Portfolio (2 clients)

Client (Assignee)Pending OAs
Casio 5
TAIYO YUDEN CO., LTD. 2

Top Art Units

Art UnitApps
28372
28471
21661
36481
36191

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
19071129 MULTILAYER CERAMIC ELECTRONIC COMPONENT AND METHOD OF MANUFACTURING THE SAME Taiyo Yuden Co., Ltd. MCFADDEN, MICHAEL P 2847 §103 Non-Final OA — Pending Mar 05, 2025
18818566 SEARCH DEVICE, SEARCH SYSTEM, SEARCH METHOD, AND RECORDING MEDIUM Casio Computer Co., Ltd. DORAISWAMY, RANJIT P 2166 §103 Non-Final OA — Pending Aug 28, 2024
18787793 MEASURING APPARATUS AND MEASURING METHOD Taiyo Yuden Co., Ltd. CATINA, MICHAEL ANTHONY §102§103§112 Non-Final OA — Pending Jul 29, 2024
18364287 INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM Casio Computer Co., Ltd. MAKHDOOM, SAMARINA 3648 §103 Non-Final OA 21d Pending Aug 02, 2023
18183686 MANIPULATOR FOR ELECTRONIC MUSICAL INSTRUMENTS Casio Computer Co., Ltd. SCHREIBER, CHRISTINA MARIE 2837 §103 Final Rejection — Pending Mar 14, 2023
17847599 ELECTRONIC DEVICE, ELECTRONIC MUSICAL INSTRUMENT, AND METHOD THEREFOR Casio Computer Co., Ltd. UHLIR, CHRISTOPHER J 3619 §112 Non-Final OA 114d overdue Pending Jun 23, 2022
17826073 METHODS, INFORMATION PROCESSING DEVICE, AND IMAGE DISPLAY SYSTEM FOR ELECTRONIC MUSICAL INSTRUMENTS Casio Computer Co., Ltd. SCOLES, PHILIP GRANT 2837 §103 Final Rejection 70d Pending May 26, 2022

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Frequently Asked Questions

What is Masao Yoshimura, Chen Yoshimura LLP's patent allowance rate?

91.2% of resolved applications prosecuted by Masao Yoshimura, Chen Yoshimura LLP were allowed, across 3,244 applications in USPTO records.

How many office actions does Masao Yoshimura, Chen Yoshimura LLP average before allowance?

2.56 office actions per allowed application on average.

How many pending office actions does Masao Yoshimura, Chen Yoshimura LLP have?

7 pending office actions as of October 2026, for 2 clients, before 7 examiners in 5 art units.

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