Prosecution Insights
Last updated: May 29, 2026

Mitsubishi Chemical Corporation

64 pending office actions • 32 art units • 59 examiners • 0 of 64 (0%) have an AI response strategy ready • 69 patents granted in the last 365 days

Portfolio Summary

64
Total Pending OAs
30
Non-Final OAs
31
Final Rejections
3
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 61 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

34
Overdue
3
Due this week
11
Due this month
7
Due in next 60 days
6
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. 61 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (34)Due ≤ 7 days (3)Due ≤ 30 days (11)Due ≤ 60 days (7)Due later (6)

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.

0
Hard (0%)
59
Medium (92%)
3
Easy (5%)
2
Unknown (3%)

Rejection Statute Mix

BucketCases
§103 only53 (83%)
§102 only6 (9%)
§112 only3 (5%)
No statute on record2 (3%)

Industry Mix

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

60
Life Sciences
94% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
3
Semiconductors
5% of docket
1
Mechanical / Eng
2% of docket
0
Business / Other
0% 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.

640 h
Manual time on pending OAs
128 h
Time saved (low, 20%)
224 h
Time saved (mid, 35%)
5.6 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
BAREFORD, KATHERINE A 3 13.5% +28.5%
HIGGINS, GERARD T 2 62.8% +39.3%
XU, JIANGTIAN 2 65.5% +33.9%
ZHANG, HAIXIA 2 62.7% +17.8%
MULVANEY, ELIZABETH EVANS 1 78.6% +15.3%
MCCULLEY, MEGAN CASSANDRA 1 58.4% +16.8%
SHUKLA, KRUPA 1 14.5% +22.6%
MURATA, AUSTIN 1 60.3% +20.5%
FREEMAN, JOHN D 1 45.9% +7.1%
MILLER, BETHANY MACKENZIE 1 54.9% +47.9%

Hard Cases (4)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 4 ordered by deadline are shown.

App #TitleExaminerDue in
18906600 MULTILAYER STRUCTURE, CONTAINER, AND FOOD PACKAGING CONTAINER SHUKLA, KRUPA 17d overdue
18885956 MANUFACTURING METHOD OF QUARTZ MEMBER, METHOD FOR FORMING SILICA COATING, AND METHOD FOR SMOOTHING SURFACE OF QUARTZ MEMBER BAREFORD, KATHERINE A 12d
17945185 SMC Manufacturing Method BAREFORD, KATHERINE A 19d
18829394 MANUFACTURING METHOD OF QUARTZ MEMBER, AND METHOD FOR SPRAY COATING SILICA POWDER BAREFORD, KATHERINE A 84d

Interview Candidates (14)

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
17500324 ADHESIVE AGENT AND ADHESIVE SHEET XU, JIANGTIAN 84d overdue
18233982 Multilayer Body, Card, Passport, Method for Producing Multilayer Body, Method for Producing Card, Method for Producing Passport, and Laser Marking Method HIGGINS, GERARD T 49d overdue
18906600 MULTILAYER STRUCTURE, CONTAINER, AND FOOD PACKAGING CONTAINER SHUKLA, KRUPA 17d overdue
19225168 n-TYPE GaN CRYSTAL, GaN WAFER, AND GaN CRYSTAL, GaN WAFER AND NITRIDE SEMICONDUCTOR DEVICE PRODUCTION METHOD MULVANEY, ELIZABETH EVANS 5d overdue
18310920 ZEOLITE, METHOD FOR PRODUCING ZEOLITE, COMPOSITION, LIQUID COMPOSITION, LIQUID SEALING AGENT, RESIN COMPOSITE MATERIAL, SEALING MATERIAL, METHOD FOR MANUFACTURING SEALING MATERIAL, AND DEVICE XU, JIANGTIAN 2d overdue
17565879 CARBON MATERIAL, METHOD FOR PRODUCING CARBON MATERIAL, AND NON-AQUEOUS SECONDARY BATTERY USING CARBON MATERIAL ZHANG, HAIXIA 2d overdue
18788071 UNIAXIALLY STRETCHED MULTILAYER STRUCTURE AND METHOD OF PRODUCING THE SAME MILLER, BETHANY MACKENZIE 5d
18885956 MANUFACTURING METHOD OF QUARTZ MEMBER, METHOD FOR FORMING SILICA COATING, AND METHOD FOR SMOOTHING SURFACE OF QUARTZ MEMBER BAREFORD, KATHERINE A 12d

Top Art Units

Art UnitApps
1787 10
1763 7
1762 5
1723 4
1785 3
1718 3
1764 3
1767 2
1732 2
1791 2

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19225168 n-TYPE GaN CRYSTAL, GaN WAFER, AND GaN CRYSTAL, GaN WAFER AND NITRIDE SEMICONDUCTOR DEVICE PRODUCTION METHOD MULVANEY, ELIZABETH EVANS 1785 Other Non-Final OA 5d overdue Pending Jun 02, 2025
19055709 SHEET MOLDING COMPOUND AND FIBER-REINFORCED COMPOSITE MATERIAL MCCULLEY, MEGAN CASSANDRA 1767 §103 Final Rejection 35d Pending Feb 18, 2025
18906600 MULTILAYER STRUCTURE, CONTAINER, AND FOOD PACKAGING CONTAINER SHUKLA, KRUPA 1787 §103 Non-Final OA 17d overdue Pending Oct 04, 2024
18889892 PARTICLES, METHOD FOR PRODUCING PARTICLES, METHOD FOR PRODUCING NEGATIVE ELECTRODE, AND METHOD FOR MANUFACTURING SECONDARY BATTERY MURATA, AUSTIN 1712 §103 Non-Final OA 14d Pending Sep 19, 2024
18885956 MANUFACTURING METHOD OF QUARTZ MEMBER, METHOD FOR FORMING SILICA COATING, AND METHOD FOR SMOOTHING SURFACE OF QUARTZ MEMBER BAREFORD, KATHERINE A 1718 §103 Final Rejection 12d Pending Sep 16, 2024
18829394 MANUFACTURING METHOD OF QUARTZ MEMBER, AND METHOD FOR SPRAY COATING SILICA POWDER BAREFORD, KATHERINE A 1718 §103 Final Rejection 84d Pending Sep 10, 2024
18793424 UNIAXIALLY STRETCHED MULTILAYER STRUCTURE AND METHOD OF PRODUCING THE SAME FREEMAN, JOHN D 1787 §103 Non-Final OA 60d Pending Aug 02, 2024
18788071 UNIAXIALLY STRETCHED MULTILAYER STRUCTURE AND METHOD OF PRODUCING THE SAME MILLER, BETHANY MACKENZIE 1787 §103 Non-Final OA 5d Pending Jul 29, 2024
18643681 INFORMATION GENERATION METHOD, RECYCLING METHOD, INFORMATION GENERATION DEVICE, AND RECYCLING DEVICE RUHL, DENNIS WILLIAM 3626 §103 Final Rejection 7d Pending Apr 23, 2024
18611007 METHOD FOR PRODUCING OPTICAL ELEMENT CHIEN, LUCY P 2871 §103 Non-Final OA 22d overdue Pending Mar 20, 2024
18437576 COMPOSITION FOR PHARMACEUTICAL TABLET, PHARMACEUTICAL TABLET USING THE SAME, AND MANUFACTURING METHOD THEREOF PURDY, KYLE A 1611 §103 Non-Final OA 60d overdue Pending Feb 09, 2024
18407539 Method for Producing Sheet Molding Compound, Dispersion Roller Device, and Apparatus for Producing Sheet Molding Compound PAGE, HANA C 1745 §112 Final Rejection 71d Pending Jan 09, 2024
18540057 STRUCTURE, PRODUCTION METHOD OF STRUCTURE, AND MILLIMETER WAVE RADAR MODULE HUSON, MONICA ANNE 1742 §103 Final Rejection 75d Pending Dec 14, 2023
18482287 LAMINATE BODY, CARD, PASSPORT, AND MANUFACTURING METHOD OF THESE HIGGINS, GERARD T 1785 §103 Final Rejection Pending Oct 06, 2023
18374744 CONDUCTIVE C-PLANE GaN SUBSTRATE BRATLAND JR, KENNETH A 1714 §103 Final Rejection 50d overdue Pending Sep 29, 2023
18471852 CARBON FIBER BUNDLE IMANI, ELIZABETH MARY COLE 1789 §103 Final Rejection 60d Pending Sep 21, 2023
18371240 Catalyst, Method for Producing Catalyst, and Method for Producing alpha,beta-Unsaturated Aldehyde, alpha,beta-Unsaturated Carboxylic Acid and alpha,beta-Unsaturated Carboxylic Acid Ester HAILEY, PATRICIA L 1732 §103 Non-Final OA 70d Pending Sep 21, 2023
18233982 Multilayer Body, Card, Passport, Method for Producing Multilayer Body, Method for Producing Card, Method for Producing Passport, and Laser Marking Method HIGGINS, GERARD T 1785 §103 Final Rejection 49d overdue Pending Aug 15, 2023
18346392 POLYESTER RESIN AND METHOD OF PRODUCING SAME, AND PAINT GULAKOWSKI, RANDY P 1766 §103 Non-Final OA 22d overdue Pending Jul 03, 2023
18337557 BATTERY PACK LUO, KAN 1751 §103 Non-Final OA Pending Jun 20, 2023
18201936 ADHESIVE COMPOSITION FOR COATING-TYPE POLARIZATION ELEMENTS, ADHESIVE SHEET FOR COATING-TYPE POLARIZATION ELEMENTS, ADHESIVE SHEET FOR IMAGE DISPLAY DEVICE CONSTITUTING MEMBERS, ADHESIVE SHEET WITH MOLD RELEASE FILMS, ADHESIVE SHEET WITH IMAGE DISPLAY DEVICE CONSTITUTING MEMBER, LAMINATE SHEET, COATING-TYPE POLARIZATION ELEMENT WITH ADHESIVE LAYER, ADHESIVE SHEET WITH POLARIZATION ELEMENT, AND IMAGE DISPLAY DEVICE HUANG, CHENG YUAN 1787 §103 Final Rejection 73d overdue Pending May 25, 2023
18199673 ADHESIVE COMPOSITION, ADHESIVE, ADHESIVE SHEET, AND ADHESIVE SHEET FOR IMAGE DISPLAY DEVICE BLAND, ALICIA 1759 §103 Non-Final OA 29d Pending May 19, 2023
18310920 ZEOLITE, METHOD FOR PRODUCING ZEOLITE, COMPOSITION, LIQUID COMPOSITION, LIQUID SEALING AGENT, RESIN COMPOSITE MATERIAL, SEALING MATERIAL, METHOD FOR MANUFACTURING SEALING MATERIAL, AND DEVICE XU, JIANGTIAN 1762 §103 Non-Final OA 2d overdue Pending May 02, 2023
18140739 BISPHENOL PRODUCTION METHOD , RECYCLED POLYCARBONATE RESIN PRODUCTION METHOD, CARBON DIOXIDE PRODUCTION METHOD, CARBONIC ACID DIESTER PRODUCTION METHOD, EPOXY RESIN PRODUCTION METHOD, AND EPOXY RESIN CURED PRODUCT PRODUCTION METHOD BAHTA, MEDHANIT W 1692 §103 Non-Final OA 1d overdue Pending Apr 28, 2023
18189598 LIGHT GUIDE PLATE FOR IMAGE DISPLAY PENG, CHARLIE YU 2874 §103 Non-Final OA Pending Mar 24, 2023
18189567 VINYL-BASED POLYMER, CURABLE COMPOSITION, AND CURED PRODUCT SASTRI, SATYA B 1763 §103 Non-Final OA 75d Pending Mar 24, 2023
18183026 PARTITION MEMBER AND ASSEMBLED BATTERY DIGNAN, MICHAEL L 1723 §112 Non-Final OA 16d Pending Mar 13, 2023
18115055 ACETOACETYL GROUP-CONTAINING POLYVINYL ALCOHOL RESIN, AND METHOD FOR PRODUCING ACETOACETYL GROUP-CONTAINING POLYVINYL ALCOHOL RESIN BROOKS, KREGG T 1764 §103 Final Rejection 44d overdue Pending Feb 28, 2023
18104491 POLYVINYL ALCOHOL-BASED RESIN COMPOSITION AND MELT-MOLDED ARTICLE USING SAID COMPOSITION LEE, RIP A 1762 §102 Final Rejection 78d overdue Pending Feb 01, 2023
18091448 ALIPHATIC-AROMATIC POLYESTER RESIN AND MOLDED ARTICLE THEREOF KUMAR, SRILAKSHMI K 1700 §103 Final Rejection 72d overdue Pending Dec 30, 2022
18058806 BIODEGRADABLE RESIN COMPOSITION AND BIODEGRADABLE RESIN MOLDED ARTICLES PEPITONE, MICHAEL F 1767 §103 Final Rejection 19d overdue Pending Nov 25, 2022
17994254 Resin Composition and Molded Body QIAO, HUIHONG 1763 §102 Final Rejection 53d Pending Nov 25, 2022
17988095 ETHYLENE-VINYL ALCOHOL COPOLYMER RESIN COMPOSITION, MULTILAYER STRUCTURE, AND PACKAGE CAI, WENWEN 1763 §103 Non-Final OA 30d overdue Pending Nov 16, 2022
18056003 MODIFIED ETHYLENE-VINYL ALCOHOL RESIN, AND GAS BARRIER MATERIAL ROELOFSE, CHRISTIAAN 1762 §103 Final Rejection 35d overdue Pending Nov 16, 2022
17997856 RESIN COMPOSITION, FORMED ARTICLE, KIT, CAR-BORNE CAMERA COMPONENT, CAR-BORNE CAMERA MODULE, AND METHOD FOR MANUFACTURING FORMED ARTICLE WHITELEY, JESSICA 1763 §102 Final Rejection 42d overdue Pending Nov 03, 2022
18048653 FERMENTED MILK AND METHOD FOR PRODUCING SAME MERRIAM, ANDREW E 1791 §103 Final Rejection 126d overdue Pending Oct 21, 2022
17960109 RESIN COMPOSITION, AND FILM AND MULTILAYER STRUCTURE USING THE SAME ZACHARIA, RAMSEY E 1787 §103 Non-Final OA 19d Pending Oct 04, 2022
17953641 Electrophotographic Photoreceptor, Electrophotographic Photoreceptor Cartridge, and Image Formation Device VAJDA, PETER L 1737 §103 Final Rejection 65d Pending Sep 27, 2022
17945185 SMC Manufacturing Method BAREFORD, KATHERINE A 1718 §102 Non-Final OA 19d Pending Sep 15, 2022
17943480 RESIN COMPOSITION, METHOD FOR MANUFACTURING RESIN COMPOSITION, MOLDED OBJECT, MULTILAYER STRUCTURE, AND PACKAGING BODY DONAHUE, OLGA LUCIA 1763 §103 Non-Final OA 5d Pending Sep 13, 2022
17930535 LIGHT-GUIDING PLATE AND AR DISPLAY DICUS, TAMRA 1787 §103 Non-Final OA 49d overdue Pending Sep 08, 2022
17903619 CFRP Structural Body, Method for Manufacturing CFRP Structural Body, Carbon Fiber Prepreg, and Method for Manufacturing Carbon Fiber Prepreg LING, DORIS 1764 §103 Final Rejection 103d overdue Pending Sep 06, 2022
17896844 Copolymer, Resin Composition, Molded Product, Filmy Molded Product, and Method for Producing Copolymer BLEDSOE, JOSHUA CALEB 1762 §103 Non-Final OA 16d Pending Aug 26, 2022
17876637 Adhesive Composition, Adhesive Agent, Adhesive Sheet, and Double-Sided Adhesive Sheet DUCHENEAUX, FRANK D 1788 §102 Non-Final OA 36d overdue Pending Jul 29, 2022
17815006 SILICA PARTICLE, SILICA SOL, POLISHING COMPOSITION, POLISHING METHOD, METHOD FOR PRODUCING SEMICONDUCTOR WAFER, AND METHOD FOR PRODUCING SEMICONDUCTOR DEVICE KUVAYSKAYA, ANASTASIA ALEKSEYEVNA 1731 §103 Non-Final OA 1d overdue Pending Jul 26, 2022
17814718 CONDUCTIVE COMPOSITE, RESIST COATING MATERIAL, RESIST, AND METHOD FOR FORMING RESIST PATTERN CHU, JOHN S Y 1737 §103 Non-Final OA 155d overdue Pending Jul 25, 2022
17868319 METHOD FOR PRODUCING ALIPHATIC-AROMATIC POLYESTER SHOSHO, CALLIE E 1787 §103 Non-Final OA 43d overdue Pending Jul 19, 2022
17862819 POLYVINYL ALCOHOL-BASED RESIN, METHOD FOR PRODUCING POLYVINYL ALCOHOL-BASED RESIN, DISPERSING AGENT, AND DISPERSING AGENT FOR SUSPENSION POLYMERIZATION MILLER, DAVID L 1763 §103 Final Rejection 49d overdue Pending Jul 12, 2022
17839554 POLYCARBONATE RESIN COMPOSITION BUTTNER, DAVID J 1765 §103 Final Rejection 60d overdue Pending Jun 14, 2022
17660434 ADHESIVE SHEET, LAYERED SHEET, FLEXIBLE IMAGE DISPLAY DEVICE MEMBER, AND FLEXIBLE IMAGE DISPLAY DEVICE RICE, STEVEN 1787 §103 Final Rejection 73d overdue Pending Apr 25, 2022
17565879 CARBON MATERIAL, METHOD FOR PRODUCING CARBON MATERIAL, AND NON-AQUEOUS SECONDARY BATTERY USING CARBON MATERIAL ZHANG, HAIXIA 1723 §103 Non-Final OA 2d overdue Pending Dec 30, 2021
17565962 CARBON MATERIAL, METHOD FOR PRODUCING CARBON MATERIAL, AND NON-AQUEOUS SECONDARY BATTERY USING CARBON MATERIAL ZHANG, HAIXIA 1723 Other Non-Final OA 28d Pending Dec 30, 2021
17456022 POLYETHER POLYCARBONATE DIOL AND METHOD FOR PRODUCING THE SAME NERANGIS, VICKEY M 1763 §103 Final Rejection 34d Pending Nov 22, 2021
17500324 ADHESIVE AGENT AND ADHESIVE SHEET XU, JIANGTIAN 1762 §103 Final Rejection 84d overdue Pending Oct 13, 2021
17485617 GaN SUBSTRATE WAFER AND METHOD FOR MANUFACTURING GaN SUBSTRATE WAFER HATFIELD, MARSHALL MU-NUO 2897 §103 Final Rejection 81d overdue Pending Sep 27, 2021
17480585 MULTILAYER STRUCTURE AND PACKAGE SHAH, SAMIR 1787 §103 Non-Final OA 27d Pending Sep 21, 2021
17476921 TWIN-SCREW EXTRUDER YE, XINWEN 1754 §103 Non-Final OA 114d overdue Pending Sep 16, 2021
17338772 RELEASE FILM KRUER, KEVIN R 1787 §112 Non-Final OA 99d overdue Pending Jun 04, 2021
17237134 CATALYST FOR HYDROGENATION OF CARBONYL COMPOUND AND ALCOHOL PRODUCTION METHOD CORALLO, CATRIONA MARY 1732 §103 Final Rejection 114d overdue Pending Apr 22, 2021
17118945 OIL-IN-WATER PICKERING EMULSION KERSHAW, KELLY P 1791 §103 Final Rejection 54d Pending Dec 11, 2020
17072092 CURABLE COMPOSITION, CURED PRODUCT, AND STACKED BODY REDDY, KARUNA P 1764 §103 Non-Final OA 29d Pending Oct 16, 2020
17023655 NEGATIVE ELECTRODE MATERIAL FOR NONAQUEOUS SECONDARY BATTERIES, NEGATIVE ELECTRODE FOR NONAQUEOUS SECONDARY BATTERIES, AND NONAQUEOUS SECONDARY BATTERY SMITH, JEREMIAH R 1723 §102 Final Rejection 21d Pending Sep 17, 2020
16832347 Method for Producing Nicotinamide Mononucleotide and Transformant Used in Said Method MISHRA, DEEPA 1657 §103 Non-Final OA 57d Pending Mar 27, 2020
15856708 COMPOSITION FOR ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY AND LIGHTING YANG, JAY LEE 1786 §103 Final Rejection 60d overdue Pending Dec 28, 2017

Managing Mitsubishi Chemical Corporation'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