Prosecution Insights
Last updated: October 02, 2026

Tokyo Ohka Kogyo Co., Ltd.

Technology area: Chemistry & Materials

43 pending office actions • 12 art units • 33 examiners • 0 of 43 (0%) have an AI response strategy ready • 30 patents granted in the last 365 days

Portfolio Summary

43
Total Pending OAs
35
Non-Final OAs
8
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 6 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

3
Overdue
0
Due this week
1
Due this month
1
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. 6 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (3)Due ≤ 30 days (1)Due ≤ 60 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.

20
Hard (47%)
23
Medium (53%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only14 (33%)
§102 only9 (21%)
Multi-statute (no §101)20 (47%)

Industry Mix

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

27
Life Sciences
63% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
16
Business / Other
37% 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.

430 h
Manual time on pending OAs
86 h
Time saved (low, 20%)
150 h
Time saved (mid, 35%)
3.8 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
EOFF, ANCA 4 80.0% +10.8%
AHMED, SHAMIM 2 78.4% +22.2%
TRAYWICK, ANDREW PRESTON 2 71.7% +27.3%
MALLOY, ANNA E 2 46.5% -3.9%
SULLIVAN, CALEEN O 2 88.6% +11.4%
ROSWELL, JESSICA MARIE 2 52.2% +36.5%
CHAMPION, RICHARD DAVID 2 45.7% +11.9%
CHU, JOHN S Y 2 76.8% +5.4%
LISTVOYB, GREGORY 1 66.9% +29.6%
DAGENAIS, KRISTEN A 1 63.8% +20.2%

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
18575649 RESIST COMPOSITION AND METHOD FOR FORMING RESIST PATTERN SULLIVAN, CALEEN O —
18563359 RESIST COMPOSITION AND RESIST PATTERN FORMATION METHOD SULLIVAN, CALEEN O —

Hard Cases (20)

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
18179942 RADIATION SHEET, HEAT DISSIPATION PLATE, HEAT DISSIPATION DEVICE AND CURABLE PASTE FREEMAN, JOHN D 8d overdue
18993156 PROTECTIVE FILM FORMATION AGENT, AND METHOD FOR MANUFACTURING SEMICONDUCTOR CHIP AHVAZI, BIJAN —
18930500 METHOD FOR PRODUCING STRUCTURE HAVING PHASE-SEPARATED STRUCTURE HERNANDEZ-KENNEY, JOSE —
18924422 PROCESSING SOLUTION, METHOD FOR PROCESSING SUBSTRATE, AND METHOD FOR MANUFACTURING SEMICONDUCTOR SUBSTRATE AHMED, SHAMIM —
18730248 WATER-REPELLING AGENT FOR ELECTROCONDUCTIVE ARTICLE SURFACE, WATER-REPELLENCY-IMPARTING METHOD FOR ELECTROCONDUCTIVE ARTICLE SURFACE, METHOD FOR SELECTIVELY IMPARTING WATER REPELLENCY FOR REGION HAVING ELECTROCONDUCTIVE ARTICLE SURFACE, SURFACE TREATMENT METHOD, AND METHOD FOR FORMING FILM ON SELECTED REGION OF SUBSTRATE SURFACE ABU ALI, SHUANGYI —
18747824 CLEANING SOLUTION, METHOD FOR CLEANING SEMICONDUCTOR SUBSTRATE, AND METHOD FOR MANUFACTURING SEMICONDUCTOR MRUK, BRIAN P —
18699225 RESIST COMPOSITION, METHOD FOR FORMING RESIST PATTERN, COMPOUND, AND ACID DIFFUSION CONTROL AGENT TRAYWICK, ANDREW PRESTON —
18697720 METHOD FOR PRODUCING ACID GENERATOR BRADY, KRISTEN WEEKS —

Interview Candidates (16)

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
18339644 CURABLE COMPOSITION ROSWELL, JESSICA MARIE 47d
17777382 RESIST COMPOSITION AND METHOD FOR FORMING RESIST PATTERN CHAMPION, RICHARD DAVID 79d
19241027 BASE MATERIAL AND METHOD FOR PRODUCING STRUCTURE INCLUDING PHASE-SEPARATED STRUCTURE LISTVOYB, GREGORY —
19124533 METHOD FOR MANUFACTURING PROCESSED SUBSTRATE, METHOD FOR PROCESSING SUBSTRATE, PATTERN FORMATION METHOD, AND CLEANING LIQUID DAGENAIS, KRISTEN A —
18924422 PROCESSING SOLUTION, METHOD FOR PROCESSING SUBSTRATE, AND METHOD FOR MANUFACTURING SEMICONDUCTOR SUBSTRATE AHMED, SHAMIM —
18924413 PROCESSING SOLUTION, METHOD FOR PROCESSING SUBSTRATE, AND METHOD FOR MANUFACTURING SEMICONDUCTOR SUBSTRATE AHMED, SHAMIM —
18699225 RESIST COMPOSITION, METHOD FOR FORMING RESIST PATTERN, COMPOUND, AND ACID DIFFUSION CONTROL AGENT TRAYWICK, ANDREW PRESTON —
18694200 PHOTOSENSITIVE COMPOSITION EOFF, ANCA —

Top Art Units

Art UnitApps
1737 8
1717 3
1761 3
1767 3
1765 2
1764 2
1759 1
1714 1
1731 1
1716 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19241027 BASE MATERIAL AND METHOD FOR PRODUCING STRUCTURE INCLUDING PHASE-SEPARATED STRUCTURE LISTVOYB, GREGORY 1765 §102 Non-Final OA — Pending Jun 17, 2025
19124533 METHOD FOR MANUFACTURING PROCESSED SUBSTRATE, METHOD FOR PROCESSING SUBSTRATE, PATTERN FORMATION METHOD, AND CLEANING LIQUID DAGENAIS, KRISTEN A 1717 §103 Non-Final OA — Pending Apr 25, 2025
19062493 PHOTOSENSITIVE COMPOSITION, PHOTOSENSITIVE FILM, LOWER LAYER FILM, METHOD FOR PRODUCING STRUCTURE HAVING PHASE-SEPARATED STRUCTURE, AND COMPOUND KAHN, RACHEL — §102 Non-Final OA — Pending Feb 25, 2025
18993156 PROTECTIVE FILM FORMATION AGENT, AND METHOD FOR MANUFACTURING SEMICONDUCTOR CHIP AHVAZI, BIJAN — §102§103Other Non-Final OA — Pending Jan 10, 2025
18877518 METAL OXIDE DISPERSON AND METHOD FOR MANUFACTURING METAL OXIDE FILM USING SAME RUMP, RICHARD M 1759 §102 Non-Final OA — Pending Dec 20, 2024
18971492 METHOD FOR PROCESSING SUBSTRATE, KIT FOR PROCESSING SUBSTRATE, AND METHOD FOR MANUFACTURING SEMICONDUCTOR SUBSTRATE LEE, DOUGLAS 1714 §103 Non-Final OA — Pending Dec 06, 2024
18940071 SURFACE TREATMENT AGENT, SURFACE TREATMENT METHOD, AND AREA-SELECTIVE FILM FORMING METHOD ON SUBSTRATE SURFACE WALTERS JR, ROBERT S 1717 §103 Non-Final OA — Pending Nov 07, 2024
18930500 METHOD FOR PRODUCING STRUCTURE HAVING PHASE-SEPARATED STRUCTURE HERNANDEZ-KENNEY, JOSE 1717 §102§103 Non-Final OA — Pending Oct 29, 2024
18924422 PROCESSING SOLUTION, METHOD FOR PROCESSING SUBSTRATE, AND METHOD FOR MANUFACTURING SEMICONDUCTOR SUBSTRATE AHMED, SHAMIM — §103§112Other Non-Final OA — Pending Oct 23, 2024
18924413 PROCESSING SOLUTION, METHOD FOR PROCESSING SUBSTRATE, AND METHOD FOR MANUFACTURING SEMICONDUCTOR SUBSTRATE AHMED, SHAMIM — §103Other Non-Final OA — Pending Oct 23, 2024
18851962 ETCHING COMPOSITION, ETCHING METHOD USING SAME, AND METHOD FOR MANUFACTURING ELECTRONIC COMPONENT LU, JIONG-PING — §102 Non-Final OA — Pending Sep 27, 2024
18730248 WATER-REPELLING AGENT FOR ELECTROCONDUCTIVE ARTICLE SURFACE, WATER-REPELLENCY-IMPARTING METHOD FOR ELECTROCONDUCTIVE ARTICLE SURFACE, METHOD FOR SELECTIVELY IMPARTING WATER REPELLENCY FOR REGION HAVING ELECTROCONDUCTIVE ARTICLE SURFACE, SURFACE TREATMENT METHOD, AND METHOD FOR FORMING FILM ON SELECTED REGION OF SUBSTRATE SURFACE ABU ALI, SHUANGYI 1731 §102§112 Final Rejection — Pending Jul 18, 2024
18747824 CLEANING SOLUTION, METHOD FOR CLEANING SEMICONDUCTOR SUBSTRATE, AND METHOD FOR MANUFACTURING SEMICONDUCTOR MRUK, BRIAN P 1761 §102§112 Non-Final OA — Pending Jun 19, 2024
18732471 TREATMENT LIQUID CULBERT, ROBERTS P 1716 §103 Final Rejection — Pending Jun 03, 2024
18699225 RESIST COMPOSITION, METHOD FOR FORMING RESIST PATTERN, COMPOUND, AND ACID DIFFUSION CONTROL AGENT TRAYWICK, ANDREW PRESTON — §102§112 Non-Final OA — Pending Apr 05, 2024
18697720 METHOD FOR PRODUCING ACID GENERATOR BRADY, KRISTEN WEEKS — §103§112 Non-Final OA — Pending Apr 01, 2024
18694200 PHOTOSENSITIVE COMPOSITION EOFF, ANCA — §102§103§112Other Non-Final OA — Pending Mar 21, 2024
18694174 COMPOSITION AND PHOTOSENSITIVE COMPOSITION NGUYEN, TRI V 1764 §102§103§112 Non-Final OA — Pending Mar 21, 2024
18684046 RESIST COMPOSITION, RESIST PATTERN FORMATION METHOD, COMPOUND, ACID-GENERATING AGENT, ACID DIFFUSION CONTROL AGENT, AND HIGH-MOLECULAR-WEIGHT COMPOUND EOFF, ANCA — §102§103 Non-Final OA — Pending Feb 15, 2024
18433969 AQUEOUS CLEANING LIQUID DELCOTTO, GREGORY R 1761 §103 Non-Final OA 44d overdue Pending Feb 06, 2024
18433953 AQUEOUS CLEANING LIQUID PAUL, SHREYA 1761 §103 Non-Final OA — Pending Feb 06, 2024
18424025 RESIST COMPOSITION, RESIST PATTERN FORMING METHOD, AND POLYMER MALLOY, ANNA E — §102§103 Non-Final OA — Pending Jan 26, 2024
18575649 RESIST COMPOSITION AND METHOD FOR FORMING RESIST PATTERN SULLIVAN, CALEEN O — §102 Non-Final OA — Pending Dec 29, 2023
18260917 PROTECTIVE FILM FORMING AGENT, AND METHOD OF MANUFACTURING SEMICONDUCTOR CHIP MALLOY, ANNA E 1737 §103 Final Rejection 4d overdue Pending Dec 11, 2023
18568071 RESIST COMPOSITION AND METHOD FOR FORMING RESIST PATTERN FRASER, STEWART A — §102 Non-Final OA — Pending Dec 07, 2023
18566338 RESIST COMPOSITION, METHOD FOR FORMING RESIST PATTERN, METHOD FOR PRODUCING COMPOUNDS, INTERMEDIATE, AND COMPOUNDS EOFF, ANCA — §102§103 Non-Final OA — Pending Dec 01, 2023
18563359 RESIST COMPOSITION AND RESIST PATTERN FORMATION METHOD SULLIVAN, CALEEN O — §102 Non-Final OA — Pending Nov 21, 2023
18563358 RESIST COMPOSITION AND METHOD FOR FORMING RESIST PATTERN WALKE, AMANDA C — §102§103 Non-Final OA — Pending Nov 21, 2023
18512901 METHOD OF PRODUCING BLOCK COPOLYMER, AND BLOCK COPOLYMER KAUCHER, MARK S — §102 Non-Final OA — Pending Nov 17, 2023
18493501 COMPOSITION AND POLYMER EASHOO, MARK 1767 §102 Non-Final OA — Pending Oct 24, 2023
18556281 PHOTOCURABLE COMPOSITION MCCLENDON, SANZA L 1765 §102§103 Non-Final OA — Pending Oct 19, 2023
18488113 COMPOSITION AND PHOTOSENSITIVE COMPOSITION ROSWELL, JESSICA MARIE 1767 §103 Non-Final OA — Pending Oct 17, 2023
18460104 RESIST COMPOSITION AND RESIST PATTERN FORMING METHOD EOFF, ANCA 1722 §103§112 Final Rejection — Pending Sep 01, 2023
18547637 PHOTOCURABLE COMPOSITION AND PATTERN-FORMING METHOD CHAMPION, RICHARD DAVID 1737 §102§103 Non-Final OA — Pending Aug 23, 2023
18546814 PHOTOCURABLE LIQUID COMPOSITION, CURED PRODUCT, AND METHOD FOR PRODUCING CURED PRODUCT REDDY, KARUNA P 1764 §103§112Other Final Rejection — Pending Aug 17, 2023
18349825 NEGATIVE PHOTOSENSITIVE COMPOSITION AND PATTERN FORMATION METHOD ANGEBRANNDT, MARTIN J 1737 §103 Non-Final OA — Pending Jul 10, 2023
18339644 CURABLE COMPOSITION ROSWELL, JESSICA MARIE 1767 §103 Non-Final OA 47d Pending Jun 22, 2023
18256899 RESIST COMPOSITION AND METHOD FOR FORMING RESIST PATTERN CHU, JOHN S Y 1737 §103§112 Final Rejection — Pending Jun 09, 2023
18190803 PHOTORESIST STRIPPER AND METHOD OF TREATING SUBSTRATE USING SAME TRAYWICK, ANDREW PRESTON 1737 §103§112 Non-Final OA — Pending Mar 27, 2023
18179942 RADIATION SHEET, HEAT DISSIPATION PLATE, HEAT DISSIPATION DEVICE AND CURABLE PASTE FREEMAN, JOHN D 1787 §102§103 Final Rejection 8d overdue Pending Mar 07, 2023
17759396 RESIST PATTERN FORMATION METHOD CHU, JOHN S Y 1737 §103 Final Rejection — Pending Jul 25, 2022
17805188 CLEANING COMPOSITION, METHOD OF CLEANING COATING FILM FORMING DEVICE, METHOD OF PRODUCING SUBSTRATE FOR LITHOGRAPHY, AND METHOD OF FORMING RESIST PATTERN COSGROVE, JAYSON D 1737 §103 Non-Final OA 28d Pending Jun 02, 2022
17777382 RESIST COMPOSITION AND METHOD FOR FORMING RESIST PATTERN CHAMPION, RICHARD DAVID 1737 §103 Non-Final OA 79d Pending May 17, 2022

Managing Tokyo Ohka Kogyo Co., Ltd.'s Patent Portfolio?

IP Author helps IP teams respond to office actions faster with AI-generated responses, examiner analytics, and prosecution intelligence.

Start Free Trial

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month