Prosecution Insights
Last updated: August 15, 2026

Mitsui Chemicals Inc.

49 pending office actions • 24 art units • 47 examiners • 0 of 49 (0%) have an AI response strategy ready • 31 patents granted in the last 365 days

Portfolio Summary

49
Total Pending OAs
27
Non-Final OAs
20
Final Rejections
2
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 17 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

10
Overdue
2
Due this week
5
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. 17 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (10)Due ≤ 7 days (2)Due ≤ 30 days (5)

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 (41%)
28
Medium (57%)
1
Easy (2%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only25 (51%)
§102 only2 (4%)
Double-patenting only1 (2%)
Double-patenting + other1 (2%)
Multi-statute (no §101)20 (41%)

Industry Mix

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

36
Life Sciences
73% of docket
1
Information Tech
2% of docket
1
Communications
2% of docket
2
Semiconductors
4% of docket
0
Mechanical / Eng
0% of docket
9
Business / Other
18% 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.

490 h
Manual time on pending OAs
98 h
Time saved (low, 20%)
172 h
Time saved (mid, 35%)
4.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
AHVAZI, BIJAN 2 63.4% +47.3%
LISTVOYB, GREGORY 2 67.0% +29.5%
MILLER, BETHANY MACKENZIE 1 54.7% +48.8%
ROBINSON, MICHAEL 1 62.1% +20.5%
OH, TAYLOR V 1 81.2% +15.3%
NGUYEN, LILLIAN T 1 84.1% +13.9%
VORTMAN, ANATOLY 1 70.0% +13.8%
TRA, TUYEN Q 1 85.8% +9.0%
SANDVIK, BENJAMIN P 1 76.7% +6.2%
NELSON, MICHAEL B 1 21.2% +36.8%

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
18850267 ASCORBIC ACID DERIVATIVE OR SALT THEREOF, ADDITIVE FOR POLYMERIZATION INITIATION, POLYMERIZATION INITIATOR, CURABLE COMPOSITION PREPARATION KIT, CURABLE COMPOSITION, CURED PRODUCT, AND DENTAL MATERIAL OH, TAYLOR V
18840002 SHOCK-ABSORBING MATERIAL AND METHOD FOR MANUFACTURING SAME NGUYEN, LILLIAN T

Hard Cases (21)

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
17913570 LITHIUM SECONDARY BATTERY JACOBSON, SARAH JORDAN 161d overdue
18027401 PIEZOELECTRIC DEVICE, FORCE SENSOR, AND BIOLOGICAL INFORMATION ACQUISITION DEVICE KLIMOWICZ, WILLIAM JOSEPH 17d overdue
18273727 RESIN COMPOSITION AND MOLDED ARTICLE HEINCER, LIAM J 16d overdue
18851237 RANDOM SHEET MANUFACTURING METHOD ROBINSON, MICHAEL 10d overdue
18042855 METHOD FOR CREATING IMAGE DATA OF DENTAL SHAPED OBJECT, APPARATUS FOR CREATING IMAGE DATA OF DENTAL SHAPED OBJECT, PROGRAM FOR CREATING IMAGE DATA OF DENTAL SHAPED OBJECT, METHOD FOR MANUFACTURING DENTAL SHAPED OBJECT, AND DENTAL SHAPED OBJECT CONNOLLY, MARK A 9d overdue
18283392 POLAR RESIN COMPOSITION AND LAMINATE DARLING, DEVIN MITCHELL 5d overdue
18708810 INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM TRA, TUYEN Q 28d
18688837 COMPOSITION FOR FORMING FILM FOR SEMICONDUCTOR, LAMINATE, AND SUBSTRATE LAMINATE NELSON, MICHAEL B 28d

Interview Candidates (10)

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
17593857 METHOD OF PRODUCING OPTICAL MATERIAL, AND POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL AHVAZI, BIJAN 17d overdue
18851237 RANDOM SHEET MANUFACTURING METHOD ROBINSON, MICHAEL 10d overdue
18688837 COMPOSITION FOR FORMING FILM FOR SEMICONDUCTOR, LAMINATE, AND SUBSTRATE LAMINATE NELSON, MICHAEL B 28d
18862159 LAMINATE AND METHOD FOR MANUFACTURING LAMINATE MILLER, BETHANY MACKENZIE
18850267 ASCORBIC ACID DERIVATIVE OR SALT THEREOF, ADDITIVE FOR POLYMERIZATION INITIATION, POLYMERIZATION INITIATOR, CURABLE COMPOSITION PREPARATION KIT, CURABLE COMPOSITION, CURED PRODUCT, AND DENTAL MATERIAL OH, TAYLOR V
18840002 SHOCK-ABSORBING MATERIAL AND METHOD FOR MANUFACTURING SAME NGUYEN, LILLIAN T
18728943 TEMPERATURE CONTROL DEVICE AND METHOD FOR MANUFACTURING TEMPERATURE CONTROL DEVICE VORTMAN, ANATOLY
18262744 METHOD FOR MANUFACTURING AN OPTICAL MATERIAL AND COMPOSITION USED IN THIS METHOD AHVAZI, BIJAN

Top Art Units

Art UnitApps
1787 5
1764 5
1766 3
1765 3
1763 3
1782 2
1767 2
1744 1
2872 1
2812 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18862159 LAMINATE AND METHOD FOR MANUFACTURING LAMINATE MILLER, BETHANY MACKENZIE 1787 §103 Non-Final OA Pending Oct 31, 2024
18851237 RANDOM SHEET MANUFACTURING METHOD ROBINSON, MICHAEL 1744 §102§103 Non-Final OA 10d overdue Pending Sep 26, 2024
18850267 ASCORBIC ACID DERIVATIVE OR SALT THEREOF, ADDITIVE FOR POLYMERIZATION INITIATION, POLYMERIZATION INITIATOR, CURABLE COMPOSITION PREPARATION KIT, CURABLE COMPOSITION, CURED PRODUCT, AND DENTAL MATERIAL OH, TAYLOR V §103 Non-Final OA Pending Sep 24, 2024
18840002 SHOCK-ABSORBING MATERIAL AND METHOD FOR MANUFACTURING SAME NGUYEN, LILLIAN T §103 Non-Final OA Pending Aug 20, 2024
18728943 TEMPERATURE CONTROL DEVICE AND METHOD FOR MANUFACTURING TEMPERATURE CONTROL DEVICE VORTMAN, ANATOLY §102§103 Non-Final OA Pending Jul 15, 2024
18708810 INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM TRA, TUYEN Q 2872 §102§103 Non-Final OA 28d Pending May 09, 2024
18688802 COMPOSITION FOR FORMING FILM FOR SEMICONDUCTOR, LAMINATE, AND SUBSTRATE LAMINATE SANDVIK, BENJAMIN P 2812 §102§103 Non-Final OA Pending Mar 04, 2024
18688837 COMPOSITION FOR FORMING FILM FOR SEMICONDUCTOR, LAMINATE, AND SUBSTRATE LAMINATE NELSON, MICHAEL B 1787 §103 Final Rejection 28d Pending Mar 04, 2024
18683298 ADHESIVE RESIN COMPOSITION AND FILM STANLEY, JANE L §102§103§112 Non-Final OA Pending Feb 13, 2024
18682240 METHOD FOR PRODUCING (METH)ACRYLAMIDE COMPOUND WITHERSPOON, SIKARL A §102§103 Non-Final OA Pending Feb 08, 2024
18291108 AQUEOUS POLYURETHANE COMPOSITION, HEAT-RESISTANT COATING AGENT, FIRST LAMINATE, BAG, SECOND LAMINATE, METHOD FOR PRODUCING FIRST LAMINATE, AND METHOD FOR PRODUCING SECOND LAMINATE WEDDLE, ALEXANDER MARION 1712 §103§112 Final Rejection Pending Jan 22, 2024
18526073 POLYTHIOL COMPOSITION, POLYMERIZABLE COMPOSITION, RESIN, MOLDED ARTICLE, OPTICAL MATERIAL, AND LENS SERGENT, RABON A §102§103§112 Non-Final OA Pending Dec 01, 2023
18566204 POLYISOCYANATE COMPOSITION, POLYMERIZABLE COMPOSITION, RESIN, MOLDED ARTICLE, OPTICAL ELEMENT, AND LENS STONEHOCKER, VIRGINIA LEE §103 Non-Final OA Pending Dec 01, 2023
18560002 NON-AQUEOUS ELECTROLYTIC SOLUTION FOR BATTERY, LITHIUM SECONDARY BATTERY PRECURSOR, METHOD FOR PRODUCING LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY KERNS, KEVIN P §102 Non-Final OA Pending Nov 09, 2023
18557111 KNEADING APPARATUS MCCARTY, PATRICK M 1774 §103§112 Non-Final OA Pending Oct 25, 2023
18552215 PELLICLE, ORIGINAL PLATE FOR LIGHT EXPOSURE, LIGHT EXPOSURE DEVICE, METHOD FOR PRODUCING PELLICLE, AND METHOD FOR PRODUCING SEMICONDUCTOR DEVICE CHACKO DAVIS, DABORAH 1737 §102§103 Non-Final OA Pending Sep 25, 2023
18551933 PIEZOELECTRIC BASE MATERIAL, SENSOR, ACTUATOR, AND BIOMETRIC INFORMATION ACQUISITION DEVICE SAN MARTIN, JAYDI A §102DP Non-Final OA Pending Sep 22, 2023
18283392 POLAR RESIN COMPOSITION AND LAMINATE DARLING, DEVIN MITCHELL 1764 §103§112 Non-Final OA 5d overdue Pending Sep 21, 2023
18282482 GRAFT-MODIFIED ETHYLENE-BASED POLYMER, POLYAMIDE COMPOSITION CONTAINING GRAFT-MODIFIED ETHYLENE-BASED POLYMER AND APPLICATION THEREOF RODD, CHRISTOPHER M 1766 §103 Non-Final OA Pending Sep 15, 2023
18281769 RESIN COMPOSITION, FILM COMPRISING RESIN COMPOSITION, AND USE THEREOF LAWLER, JOHN VINCENT 1787 §103 Final Rejection Pending Sep 12, 2023
18279864 1-BUTENE/ETHYLENE COPOLYMER, 1-BUTENE-BASED POLYMER COMPOSITION COMPRISING 1-BUTENE/ETHYLENE COPOLYMER AND PROPYLENE-BASED POLYMER, 1-BUTENE-BASED POLYMER COMPOSITION COMPRISING 1-BUTENE/ETHYLENE COPOLYMER, PROPYLENE-BASED POLYMER AND ETHYLENE-BASED POLYMER, AND USES THEREOF FANG, SHANE 1766 §102 Non-Final OA Pending Aug 31, 2023
18547555 POLYAMIDE RESIN COMPOSITION AND POLYAMIDE MOLDED ARTICLE ZHANG, RUIYUN 1782 §103 Final Rejection 5d Pending Aug 23, 2023
18547338 POLYAMIDE RESIN COMPOSITION AND POLYAMIDE MOLDED ARTICLE LEE, DORIS L 1764 §103 Non-Final OA Pending Aug 22, 2023
18277203 RESIN COMPOSITION AND USE THEREOF BUTTNER, DAVID J 1765 §103 Final Rejection Pending Aug 14, 2023
18263686 RESIN COMPOSITION AND MULTILAYER BODY HAVING LAYER COMPOSED OF THE RESIN COMPOSITION KRUER, KEVIN R 1787 §103 Final Rejection Pending Jul 31, 2023
18262744 METHOD FOR MANUFACTURING AN OPTICAL MATERIAL AND COMPOSITION USED IN THIS METHOD AHVAZI, BIJAN 1763 §103 Non-Final OA Pending Jul 25, 2023
18273727 RESIN COMPOSITION AND MOLDED ARTICLE HEINCER, LIAM J 1767 §102§103 Final Rejection 16d overdue Pending Jul 21, 2023
18272518 CURABLE POLYURETHANE RESIN COMPOSITION, CURED OBJECT, AND LAYERED PRODUCT REDDY, KARUNA P 1764 §102§103§112 Final Rejection Pending Jul 14, 2023
18268074 SOLID TITANIUM CATALYST COMPONENT, OLEFIN POLYMERIZATION CATALYST, OLEFIN POLYMERIZATION METHOD, AND PROPYLENE POLYMER BROOKS, KREGG T 1764 §103Other Final Rejection Pending Jun 16, 2023
18268090 ESTER COMPOUND KENYON, JOHN S 1625 §102§112 Non-Final OA Pending Jun 16, 2023
18266951 CULTURE MATERIAL AND USE THEREOF HUMPHRIES, NICHOLAS ADAM 1631 DP Final Rejection 22d overdue Pending Jun 13, 2023
18035686 RESIN COMPOSITION, ADHESIVE, MULTILAYER BODY, SURFACE PROTECTION FILM, METHOD FOR PRODUCING SURFACE PROTECTION FILM, AND METHOD FOR PROTECTING SURFACE KAUCHER, MARK S 1764 §103 Final Rejection 23d Pending May 05, 2023
18029888 ORGANOSILICON COMPOUND GRAFT COPOLYMER AND RUBBER COMPOSITION FOR TIRE INCLUDING THE COPOLYMER HALL, DEVE V. 1763 §103 Non-Final OA Pending Mar 31, 2023
18027401 PIEZOELECTRIC DEVICE, FORCE SENSOR, AND BIOLOGICAL INFORMATION ACQUISITION DEVICE KLIMOWICZ, WILLIAM JOSEPH 2688 §102§103 Non-Final OA 17d overdue Pending Mar 21, 2023
18043690 COMPOSITION, MULTILAYER BODY AND METHOD FOR PRODUCING MULTILAYER BODY SLOAN, LILY KAYOKO 1762 §103 Non-Final OA Pending Mar 01, 2023
18042855 METHOD FOR CREATING IMAGE DATA OF DENTAL SHAPED OBJECT, APPARATUS FOR CREATING IMAGE DATA OF DENTAL SHAPED OBJECT, PROGRAM FOR CREATING IMAGE DATA OF DENTAL SHAPED OBJECT, METHOD FOR MANUFACTURING DENTAL SHAPED OBJECT, AND DENTAL SHAPED OBJECT CONNOLLY, MARK A 2115 §103§112 Final Rejection 9d overdue Pending Feb 24, 2023
18022470 ESTER COMPOUND STOCKTON, LAURA LYNNE 1626 §102§112 Non-Final OA Pending Feb 21, 2023
18042096 XYLYLENE DIISOCYANATE COMPOSITION, POLYMERIZABLE COMPOSITION, RESIN, MOLDED ARTICLE, OPTICAL ELEMENT, AND LENS HESTER, HOLLEY GRACE 1766 §102§103 Final Rejection Pending Feb 17, 2023
18053785 mecA GENE AMPLIFICATION PRIMER PAIR, mecA GENE DETECTION KIT AND mecA GENE DETECTION METHOD OYEYEMI, OLAYINKA A 1681 §103 Final Rejection 56d overdue Pending Nov 09, 2022
17995491 XYLYLENE DIISOCYANATE-CONTAINING CONTAINER, METHOD FOR STORING XYLYLENE DIISOCYANATE, AND METHOD FOR TRANSPORTING XYLYLENE DIISOCYANATE LAN, YAN 1782 §103 Final Rejection 9d Pending Oct 05, 2022
17914926 NON-AQUEOUS ELECTROLYTE FOR BATTERY, PRECURSOR FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING LITHIUM SECONDARY BATTERY, LITHIUM SECONDARY BATTERY, PHOSPHAZENE COMPOUND, AND ADDITIVE FOR BATTERY AMPONSAH, OSEI K 1752 §103 Final Rejection 26d Pending Sep 27, 2022
17913570 LITHIUM SECONDARY BATTERY JACOBSON, SARAH JORDAN 1785 §102§103 Final Rejection 161d overdue Pending Sep 22, 2022
17762032 MATERIAL FOR 3D PRINTING, 3D PRINTED OBJECT, AND METHOD OF MANUFACTURING 3D PRINTED OBJECT LISTVOYB, GREGORY 1765 §103§112 Non-Final OA Pending Mar 18, 2022
17629503 URETHANE ALLYL COMPOUND, MONOMER COMPOSITION, MOLDED BODY, COMPOSITION FOR DENTAL MATERIAL, AND DENTAL MATERIAL DAVIDSON IV, CULLEN LEE GARRETT 1767 §103 Final Rejection 7d Pending Jan 24, 2022
17593857 METHOD OF PRODUCING OPTICAL MATERIAL, AND POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL AHVAZI, BIJAN 1763 §103 Non-Final OA 17d overdue Pending Sep 27, 2021
17439727 THERMOPLASTIC ELASTOMER COMPOSITION AND MOLDED ARTICLE OF THE SAME LISTVOYB, GREGORY 1765 §103 Final Rejection Pending Sep 15, 2021
17040783 BACTERIAL IDENTIFICATION METHOD USING RNA OF SAMPLE BACTERIA, AND KIT THEREFOR RAVINDRA, KRISHNA NUGGEHALLI 1636 §103 Non-Final OA 67d overdue Pending Sep 23, 2020
16964240 NONAQUEOUS ELECTROLYTE SOLUTION FOR BATTERIES, AND LITHIUM SECONDARY BATTERY WALLS, CYNTHIA KYUNG SOO 1751 §103 Non-Final OA Pending Jul 23, 2020
16769170 POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL AND MOLDED PRODUCT SHUKLA, KRUPA 1787 §103 Final Rejection Pending Jun 02, 2020

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