Prosecution Insights
Last updated: August 13, 2026

Sumitomo Osaka Cement Co., Ltd.

14 pending office actions • 6 art units • 14 examiners • 0 of 14 (0%) have an AI response strategy ready • 27 patents granted in the last 365 days

Portfolio Summary

14
Total Pending OAs
7
Non-Final OAs
6
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 4 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

4
Overdue
0
Due this week
0
Due this month
0
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. 4 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (4)

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.

5
Hard (36%)
9
Medium (64%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only7 (50%)
§102 only2 (14%)
Multi-statute (no §101)5 (36%)

Industry Mix

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

2
Life Sciences
14% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
8
Semiconductors
57% of docket
0
Mechanical / Eng
0% of docket
4
Business / Other
29% 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.

140 h
Manual time on pending OAs
28 h
Time saved (low, 20%)
49 h
Time saved (mid, 35%)
1.2 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
NGUYEN, DANNY 1 90.2% +6.4%
STAHL, MICHAEL J 1 90.0% +7.5%
MEHARI, YEMANE 1 89.4% +6.3%
JANOSKO, CHASITY PAIGE 1 17.5% +77.8%
ENDRESEN, KIRSTEN DANIELA 1 71.6% +12.9%
RAHLL, JERRY T 1 89.8% +8.3%
TAVLYKAEV, ROBERT FUATOVICH 1 60.4% +12.2%
BEDTELYON, JOHN M 1 78.3% +14.1%
LE, UYEN CHAU N 1 25.0% +0.8%
SMITH, CHAD 1 79.0% +20.3%

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
18721105 ELECTROSTATIC CHUCK MEMBER, ELECTROSTATIC CHUCK DEVICE, AND METHOD FOR MANUFACTURING ELECTROSTATIC CHUCK MEMBER NGUYEN, DANNY
18846124 OPTICAL WAVEGUIDE ELEMENT, AND OPTICAL MODULATION DEVICE AND OPTICAL TRANSMISSION DEVICE USING SAME STAHL, MICHAEL J

Hard Cases (7)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 7 ordered by deadline are shown.

App #TitleExaminerDue in
18291679 OPTICAL WAVEGUIDE DEVICE, AND OPTICAL TRANSMISSION APPARATUS AND OPTICAL MODULATION DEVICE USING SAME RAHLL, JERRY T 30d overdue
18845880 ELECTROSTATIC CHUCK MEMBER AND ELECTROSTATIC CHUCK DEVICE MEHARI, YEMANE
18842795 SURFACE-TREATED ZINC OXIDE PARTICLES, DISPERSION LIQUID, COSMETIC MATERIAL, METHOD FOR PRODUCING SURFACE-TREATED ZINC OXIDE PARTICLES JANOSKO, CHASITY PAIGE
18564441 OPTICAL WAVEGUIDE DEVICE, AND OPTICAL MODULATION DEVICE AND OPTICAL TRANSMISSION APPARATUS USING SAME BEDTELYON, JOHN M
18518311 Optical Waveguide Device, and Optical Modulation Device and Optical Transmission Apparatus Using Same LE, UYEN CHAU N
18278176 SURFACE-MODIFIED ZINC OXIDE PARTICLES, DISPERSION LIQUID, COSMETIC PREPARATION, AND METHOD FOR PRODUCING SURFACE-MODIFIED ZINC OXIDE PARTICLES PEEBLES, KATHERINE
18246559 OPTICAL WAVEGUIDE ELEMENT, OPTICAL MODULATOR, OPTICAL MODULATION MODULE, AND OPTICAL TRANSMISSION DEVICE CHIEM, DINH D

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
18390725 Optical Waveguide Device, and Optical Modulation Device and Optical Transmission Apparatus Using Same TAVLYKAEV, ROBERT FUATOVICH 46d overdue
18281107 OPTICAL WAVEGUIDE ELEMENT, AND OPTICAL MODULATION DEVICE AND OPTICAL TRANSMISSION APPARATUS WHICH USE SAME SMITH, CHAD 8d overdue
18842795 SURFACE-TREATED ZINC OXIDE PARTICLES, DISPERSION LIQUID, COSMETIC MATERIAL, METHOD FOR PRODUCING SURFACE-TREATED ZINC OXIDE PARTICLES JANOSKO, CHASITY PAIGE
18840692 OPTICAL WAVEGUIDE ELEMENT, AND OPTICAL MODULATION DEVICE AND OPTICAL TRANSMISSION APPARATUS USING SAME ENDRESEN, KIRSTEN DANIELA
18564441 OPTICAL WAVEGUIDE DEVICE, AND OPTICAL MODULATION DEVICE AND OPTICAL TRANSMISSION APPARATUS USING SAME BEDTELYON, JOHN M

Top Art Units

Art UnitApps
2874 5
2836 1
2896 1
1617 1
2872 1
1767 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18721105 ELECTROSTATIC CHUCK MEMBER, ELECTROSTATIC CHUCK DEVICE, AND METHOD FOR MANUFACTURING ELECTROSTATIC CHUCK MEMBER NGUYEN, DANNY §102 Non-Final OA Pending Nov 22, 2024
18846124 OPTICAL WAVEGUIDE ELEMENT, AND OPTICAL MODULATION DEVICE AND OPTICAL TRANSMISSION DEVICE USING SAME STAHL, MICHAEL J §103 Non-Final OA Pending Sep 11, 2024
18845880 ELECTROSTATIC CHUCK MEMBER AND ELECTROSTATIC CHUCK DEVICE MEHARI, YEMANE 2836 §102§103 Non-Final OA Pending Sep 11, 2024
18842795 SURFACE-TREATED ZINC OXIDE PARTICLES, DISPERSION LIQUID, COSMETIC MATERIAL, METHOD FOR PRODUCING SURFACE-TREATED ZINC OXIDE PARTICLES JANOSKO, CHASITY PAIGE §103 Non-Final OA Pending Aug 29, 2024
18840692 OPTICAL WAVEGUIDE ELEMENT, AND OPTICAL MODULATION DEVICE AND OPTICAL TRANSMISSION APPARATUS USING SAME ENDRESEN, KIRSTEN DANIELA §103 Non-Final OA Pending Aug 22, 2024
18291679 OPTICAL WAVEGUIDE DEVICE, AND OPTICAL TRANSMISSION APPARATUS AND OPTICAL MODULATION DEVICE USING SAME RAHLL, JERRY T 2874 §102§103 Non-Final OA 30d overdue Pending Jan 24, 2024
18390725 Optical Waveguide Device, and Optical Modulation Device and Optical Transmission Apparatus Using Same TAVLYKAEV, ROBERT FUATOVICH 2896 §103 Final Rejection 46d overdue Pending Dec 20, 2023
18564441 OPTICAL WAVEGUIDE DEVICE, AND OPTICAL MODULATION DEVICE AND OPTICAL TRANSMISSION APPARATUS USING SAME BEDTELYON, JOHN M 2874 §102§103 Final Rejection Pending Nov 27, 2023
18518311 Optical Waveguide Device, and Optical Modulation Device and Optical Transmission Apparatus Using Same LE, UYEN CHAU N 2874 §103 Non-Final OA Pending Nov 22, 2023
18281107 OPTICAL WAVEGUIDE ELEMENT, AND OPTICAL MODULATION DEVICE AND OPTICAL TRANSMISSION APPARATUS WHICH USE SAME SMITH, CHAD 2874 §103 Final Rejection 8d overdue Pending Sep 08, 2023
18278176 SURFACE-MODIFIED ZINC OXIDE PARTICLES, DISPERSION LIQUID, COSMETIC PREPARATION, AND METHOD FOR PRODUCING SURFACE-MODIFIED ZINC OXIDE PARTICLES PEEBLES, KATHERINE 1617 §102§103Other Final Rejection Pending Aug 21, 2023
18258272 OPTICAL WAVEGUIDE ELEMENT, OPTICAL MODULATOR, OPTICAL MODULATION MODULE, AND OPTICAL TRANSMISSION DEVICE WASHINGTON, TAMARA Y 2872 §103 Final Rejection Pending Jun 19, 2023
18246559 OPTICAL WAVEGUIDE ELEMENT, OPTICAL MODULATOR, OPTICAL MODULATION MODULE, AND OPTICAL TRANSMISSION DEVICE CHIEM, DINH D 2874 §103§112 Non-Final OA Pending Mar 24, 2023
17910829 DISPERSION LIQUID, COMPOSITION, SEALING MEMBER, LIGHT-EMITTING DEVICE, ILLUMINATION TOOL, DISPLAY DEVICE, AND METHOD FOR PRODUCING DISPERSION LIQUID ILLING, CAITLIN NORINE 1767 §102 Final Rejection 3d overdue Pending Sep 11, 2022

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