Prosecution Insights
Last updated: October 04, 2026

Masuvalley & Partners

Technology area: Chemistry & Materials

21 pending office actions • 16 clients • 21 examiners • 13 art units • 0 of 21 (0%) have an AI response strategy ready • 39 patents granted in the last 365 days

Quality Metrics (n=999 apps, methodology: how we score firms)

89.8%
Allowance Rate
n=999
+0.62σ
Allowance Rate (norm)
n=999
3.1
OAs to Allowance
n=818
-0.41σ
OAs to Allow (norm)
n=818
950 days
Time to Allowance
n=818
+0.1pp
Interview Lift
n=999
25.2%
RCE Rate
n=999
0.0%
Appeal Rate
n=999

Rejection Performance (% of received rejections ultimately overcome)

69.4%
§101 Overcome
n=98
80.8%
§102 Overcome
n=313
82.1%
§103 Overcome
n=502
84.4%
§112 Overcome
n=482

Specialization & Scale

G07F, A61J, B65B
Top CPC Subclasses
10%
Top-3 CPC Share
n=999
0
Practitioners
n=999
—
Apps / Practitioner
n=999 (min 20)

Portfolio Summary

21
Total Pending OAs
18
Non-Final OAs
3
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 2 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

0
Overdue
0
Due this week
2
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.

14
Hard (67%)
4
Medium (19%)
3
Easy (14%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other3 (14%)
§103 only4 (19%)
§112 only3 (14%)
Multi-statute (no §101)11 (52%)

Industry Mix

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

4
Life Sciences
19% of docket
4
Information Tech
19% of docket
2
Communications
10% of docket
0
Semiconductors
0% of docket
3
Mechanical / Eng
14% of docket
8
Business / Other
38% 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.

210 h
Manual time on pending OAs
42 h
Time saved (low, 20%)
74 h
Time saved (mid, 35%)
1.8 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
DANG, CHRISTINE 1 50.0% +51.1%
LEE, STEVEN SHIH-CHING 1 67.9% +23.8%
OJOFEITIMI, AYODEJI HARRY 1 89.2% +3.9%
LE, HUYEN D 1 72.9% +8.4%
GRUBY, RANDALL A 1 62.4% +43.2%
TIEU, JANICE N 1 90.3% +10.4%
SASTRI, SATYA B 1 62.6% +29.4%
VU, VIET D 1 84.0% +14.1%
SADATE-MOUALEU, MIREILLE SANDRA 1 91.3% +10.5%
KIM, YEWON 1 87.2% +12.5%

Quick Wins (3)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 3 ordered by deadline are shown.

App #TitleExaminerDue in
18842533 INFORMATION PROCESSING DEVICE, COMPUTER PROGRAM PRODUCT, AND INFORMATION PROCESSING METHOD VU, VIET D 29d
19178147 TABLET RECEPTACLE AND DRUG DISPENSING DEVICE OJOFEITIMI, AYODEJI HARRY —
18840284 INTERNAL TEMPERATURE MEASUREMENT DEVICE, INTERNAL TEMPERATURE MEASUREMENT METHOD, AND PROGRAM SADATE-MOUALEU, MIREILLE SANDRA —

Hard Cases (14)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
19476523 INFORMATION PROCESSING DEVICE, PROGRAM, AND INFORMATION PROCESSING METHOD DANG, CHRISTINE —
19158596 MANUFACTURING METHOD FOR HEAT TREATMENT JIG LEE, STEVEN SHIH-CHING —
19087254 VOICE COIL AND SPEAKER DEVICE USING THE SAME LE, HUYEN D —
18879692 DISCHARGE CAP GRUBY, RANDALL A —
18966032 UNIFIED MULTIPLE ACCESS (MA) BASED SYSTEM FOR UPLINK TRANSMISSION OF DATA BY MULTIPLE USERS TIEU, JANICE N —
18800359 SYSTEM AND METHOD FOR ENERGY-OPTIMIZED UAV-ASSISTED UNDERWATER WIRELESS SENSOR NETWORK KIM, YEWON —
18787881 CLEANING SHEET JENNINGS, MICHAEL DEANGILO —
18719223 SEMICONDUCTOR DEVICE HARBOTTLE, CHARLOTTE ELIZABETH —

Interview Candidates (8)

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
18842533 INFORMATION PROCESSING DEVICE, COMPUTER PROGRAM PRODUCT, AND INFORMATION PROCESSING METHOD VU, VIET D 29d
19476523 INFORMATION PROCESSING DEVICE, PROGRAM, AND INFORMATION PROCESSING METHOD DANG, CHRISTINE —
19158596 MANUFACTURING METHOD FOR HEAT TREATMENT JIG LEE, STEVEN SHIH-CHING —
18879692 DISCHARGE CAP GRUBY, RANDALL A —
18966032 UNIFIED MULTIPLE ACCESS (MA) BASED SYSTEM FOR UPLINK TRANSMISSION OF DATA BY MULTIPLE USERS TIEU, JANICE N —
18823531 Formulation for obtaining photocrosslinked plastisol and method for obtaining photocrosslinking plastisol SASTRI, SATYA B —
18840284 INTERNAL TEMPERATURE MEASUREMENT DEVICE, INTERNAL TEMPERATURE MEASUREMENT METHOD, AND PROGRAM SADATE-MOUALEU, MIREILLE SANDRA —
18800359 SYSTEM AND METHOD FOR ENERGY-OPTIMIZED UAV-ASSISTED UNDERWATER WIRELESS SENSOR NETWORK KIM, YEWON —

Client Portfolio (16 clients)

Top Art Units

Art UnitApps
36981
17411
26331
17851
24551
17761
16331
37741
24911
26741

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
19476523 INFORMATION PROCESSING DEVICE, PROGRAM, AND INFORMATION PROCESSING METHOD Sushi Top Marketing, Inc. DANG, CHRISTINE 3698 §101§102§103§112 Non-Final OA — Pending Oct 17, 2025
19158596 MANUFACTURING METHOD FOR HEAT TREATMENT JIG Tokyo Yogyo Kabushiki Kaisha LEE, STEVEN SHIH-CHING 1741 §103§112 Non-Final OA — Pending Aug 21, 2025
19178147 TABLET RECEPTACLE AND DRUG DISPENSING DEVICE Yuyama Mfg. Co., Ltd. OJOFEITIMI, AYODEJI HARRY §103 Non-Final OA — Pending Apr 14, 2025
19087254 VOICE COIL AND SPEAKER DEVICE USING THE SAME Goto Denshi Co., Ltd. LE, HUYEN D §102§103 Non-Final OA — Pending Mar 21, 2025
18879692 DISCHARGE CAP Tenga Co., Ltd. GRUBY, RANDALL A §103§112 Non-Final OA — Pending Dec 27, 2024
18966032 UNIFIED MULTIPLE ACCESS (MA) BASED SYSTEM FOR UPLINK TRANSMISSION OF DATA BY MULTIPLE USERS Indian Institute Of Technology Kharagpur TIEU, JANICE N 2633 §103§112 Non-Final OA — Pending Dec 02, 2024
18823531 Formulation for obtaining photocrosslinked plastisol and method for obtaining photocrosslinking plastisol Vita Polymers Poland Sp. Z O.O. SASTRI, SATYA B 1785 §112 Non-Final OA — Pending Sep 03, 2024
18842533 INFORMATION PROCESSING DEVICE, COMPUTER PROGRAM PRODUCT, AND INFORMATION PROCESSING METHOD Sushi Top Marketing, Inc. VU, VIET D 2455 §103 Non-Final OA 29d Pending Aug 29, 2024
18840284 INTERNAL TEMPERATURE MEASUREMENT DEVICE, INTERNAL TEMPERATURE MEASUREMENT METHOD, AND PROGRAM Biodata Bank, Inc. SADATE-MOUALEU, MIREILLE SANDRA §112 Non-Final OA — Pending Aug 21, 2024
18800359 SYSTEM AND METHOD FOR ENERGY-OPTIMIZED UAV-ASSISTED UNDERWATER WIRELESS SENSOR NETWORK Indian Institute Of Technology Kharagpur KIM, YEWON §103§112Other Non-Final OA — Pending Aug 12, 2024
18787881 CLEANING SHEET Probe Innovation, Inc. JENNINGS, MICHAEL DEANGILO §102§112 Non-Final OA — Pending Jul 29, 2024
18719223 SEMICONDUCTOR DEVICE Shindengen Electric Manufacturing Co., Ltd. HARBOTTLE, CHARLOTTE ELIZABETH §102§103§112 Non-Final OA — Pending Jun 12, 2024
18735996 Suction Port Body For Electric Vacuum Cleaner, And Electric Vacuum Cleaner Iris Ohyama Inc. LARSON, JOHN MICHAEL §102§103§112 Non-Final OA — Pending Jun 06, 2024
18688337 HOLLOW CYLINDRICAL FILTER, AND MANUFACTURING METHOD Fuji Filter Manufacturing Co., Ltd. PREGLER, SHARON 1776 §103 Non-Final OA — Pending Feb 29, 2024
18573713 A MEDIUM FOR STORING ISOLATED PANCREATIC ISLETS AND A METHOD FOR STORING ISOLATED PANCREATIC ISLETS Polbionica Sp. Z O.O. GU, QINHUA 1633 §103§112 Non-Final OA — Pending Dec 22, 2023
18571778 A SYSTEM FOR CONNECTING A BIONIC ORGAN TO A VASCULAR GRAFT AND A METHOD OF CONNECTING A BIONIC ORGAN TO A VASCULAR GRAFT Polbionica Sp. Z O.O. FLORES, ADRIAN 3774 §103§112 Non-Final OA — Pending Dec 19, 2023
18540794 ENCRYPTION PROCESSING APPARATUS AND ENCRYPTION PROCESSING METHOD Axell Corporation POTRATZ, DANIEL B 2491 §101§112 Non-Final OA — Pending Dec 14, 2023
18568285 EMOTION INFERRING APPARATUS, EMOTION INFERRING METHOD AND PROGRAM Life Quest Inc. BEZUAYEHU, SOLOMON G 2674 §101§103 Final Rejection — Pending Dec 08, 2023
18505013 METHOD FOR USING GOLD FOIL Ansena Inc. STEPHENS, JACQUELINE F 3781 §103 Non-Final OA 12d Pending Nov 08, 2023
17116930 INFERENCE APPARATUS, AND INFERENCE METHOD Axell Corporation NGUYEN, TRI T 2128 §103§112 Final Rejection — Pending Dec 09, 2020
17097926 INFERENCE SYSTEM, INFERENCE DEVICE, AND INFERENCE METHOD Axell Corporation VAUGHN, RYAN C 2125 §112 Final Rejection — Pending Nov 13, 2020

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