Prosecution Insights
Last updated: May 29, 2026

Mitsui Chemicals Inc.

44 pending office actions • 23 art units • 41 examiners • 0 of 44 (0%) have an AI response strategy ready • 35 patents granted in the last 365 days

Portfolio Summary

44
Total Pending OAs
32
Non-Final OAs
10
Final Rejections
2
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 42 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

24
Overdue
2
Due this week
12
Due this month
3
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. 42 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (24)Due ≤ 7 days (2)Due ≤ 30 days (12)Due ≤ 60 days (3)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.

0
Hard (0%)
40
Medium (91%)
2
Easy (5%)
2
Unknown (5%)

Rejection Statute Mix

BucketCases
§103 only36 (82%)
§102 only4 (9%)
§112 only2 (5%)
No statute on record2 (5%)

Industry Mix

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

38
Life Sciences
86% of docket
1
Information Tech
2% of docket
1
Communications
2% of docket
3
Semiconductors
7% 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.

440 h
Manual time on pending OAs
88 h
Time saved (low, 20%)
154 h
Time saved (mid, 35%)
3.9 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
ZHANG, RUIYUN 2 70.2% +10.2%
LEONARD, MICHAEL L 2 63.7% +7.9%
DONAHUE, OLGA LUCIA 2 75.9% +12.2%
ROBINSON, MICHAEL 1 61.6% +21.3%
VAN SELL, NATHAN L 1 53.8% +24.3%
CLARK, RYAN C 1 87.4% +8.6%
TRA, TUYEN Q 1 86.0% +10.2%
CHEN, VIVIAN 1 57.0% +29.2%
VAN KREUNINGEN, KYRA MELOR 1
NELSON, MICHAEL B 1 21.4% +37.0%

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
18709706 BLADE, FLYING OBJECT, AND MANUFACTURING METHOD THEREOF CLARK, RYAN C 31d overdue
18708810 INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM TRA, TUYEN Q 28d

Hard Cases (1)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18688837 COMPOSITION FOR FORMING FILM FOR SEMICONDUCTOR, LAMINATE, AND SUBSTRATE LAMINATE NELSON, MICHAEL B 28d

Interview Candidates (9)

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
17797024 THERMOPLASTIC ELASTOMER COMPOSITION AND SHAPED ARTICLE THEREOF DONAHUE, OLGA LUCIA 50d overdue
18272698 WATER DISPERSION COMPOSITION, METHOD FOR PRODUCING THE WATER DISPERSION COMPOSITION, AND ETHYLENE alpha-OLEFIN COPOLYMER ACID-MODIFIED SUBSTANCE DONAHUE, OLGA LUCIA 32d overdue
17928482 LAMINATE ZHANG, RUIYUN 16d overdue
18851237 RANDOM SHEET MANUFACTURING METHOD ROBINSON, MICHAEL 10d overdue
18547555 POLYAMIDE RESIN COMPOSITION AND POLYAMIDE MOLDED ARTICLE ZHANG, RUIYUN 5d
18730850 NON-ORIENTED FILM, LAMINATED BODY, AND PACKAGE VAN SELL, NATHAN L 26d
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

Top Art Units

Art UnitApps
1763 8
1787 5
1782 4
1764 3
1783 2
2872 2
1765 2
1767 2
1762 2
1744 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18851237 RANDOM SHEET MANUFACTURING METHOD ROBINSON, MICHAEL 1744 §103 Non-Final OA 10d overdue Pending Sep 26, 2024
18730850 NON-ORIENTED FILM, LAMINATED BODY, AND PACKAGE VAN SELL, NATHAN L 1783 §103 Non-Final OA 26d Pending Jul 22, 2024
18709706 BLADE, FLYING OBJECT, AND MANUFACTURING METHOD THEREOF CLARK, RYAN C 3745 §103 Final Rejection 31d overdue Pending May 13, 2024
18708810 INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM TRA, TUYEN Q 2872 §103 Non-Final OA 28d Pending May 09, 2024
18708655 THERMOSETTING RELEASE COATING AGENT COMPOSITION AND LAMINATE CHEN, VIVIAN 1787 §103 Non-Final OA 70d Pending May 09, 2024
18616363 Inkjet Ink Composition And Recording Method VAN KREUNINGEN, KYRA MELOR 2853 §103 Final Rejection 33d Pending Mar 26, 2024
18688837 COMPOSITION FOR FORMING FILM FOR SEMICONDUCTOR, LAMINATE, AND SUBSTRATE LAMINATE NELSON, MICHAEL B 1787 §103 Non-Final OA 28d Pending Mar 04, 2024
18580429 MINERAL-OIL-RESISTANCE-IMPARTING COATING MATERIAL AND LAMINATE DICUS, TAMRA 1787 §103 Non-Final OA 21d Pending Jan 18, 2024
18283392 POLAR RESIN COMPOSITION AND LAMINATE DARLING, DEVIN MITCHELL 1764 §103 Non-Final OA 5d overdue Pending Sep 21, 2023
18550795 METHOD FOR MANUFACTURING PHOTOCHROMIC LENS AND PHOTOCHROMIC LENS VARGOT, MATHIEU D 1742 §103 Final Rejection 18d overdue Pending Sep 15, 2023
18548245 POLYAMIDE RESIN COMPOSITION AND POLYAMIDE MOLDED BODY HALL, DEVE V. 1763 §103 Non-Final OA 28d Pending Aug 29, 2023
18547555 POLYAMIDE RESIN COMPOSITION AND POLYAMIDE MOLDED ARTICLE ZHANG, RUIYUN 1782 §103 Non-Final OA 5d Pending Aug 23, 2023
18274762 STRUCTURAL POLYURETHANE ADHESIVE LEONARD, MICHAEL L 1763 §103 Non-Final OA 84d overdue Pending Jul 28, 2023
18274769 STRUCTURAL POLYURETHANE ADHESIVE LEONARD, MICHAEL L 1763 §103 Non-Final OA 73d overdue Pending Jul 28, 2023
18262753 MONOMER COMPOSITION, CURABLE COMPOSITION, MOLDED BODY AND METHOD FOR PRODUCING MONOMER COMPOSITION MCCLENDON, SANZA L 1765 §103 Non-Final OA 35d Pending Jul 25, 2023
18273727 RESIN COMPOSITION AND MOLDED ARTICLE HEINCER, LIAM J 1767 §103 Non-Final OA 16d overdue Pending Jul 21, 2023
18273645 POLYURETHANE DISPERSION, GAS BARRIER COATING MATERIAL, AND LAMINATE WU, ANDREA 1763 §103 Non-Final OA 16d overdue Pending Jul 21, 2023
18272698 WATER DISPERSION COMPOSITION, METHOD FOR PRODUCING THE WATER DISPERSION COMPOSITION, AND ETHYLENE alpha-OLEFIN COPOLYMER ACID-MODIFIED SUBSTANCE DONAHUE, OLGA LUCIA 1763 §102 Non-Final OA 32d overdue Pending Jul 17, 2023
18268100 THERMOPLASTIC RESIN COMPOSITION AND METHOD FOR PRODUCING SAME BOYLE, ROBERT C 1764 §103 Non-Final OA 8d overdue Pending Jun 16, 2023
18266951 CULTURE MATERIAL AND USE THEREOF HUMPHRIES, NICHOLAS ADAM 1631 Other Non-Final OA 22d overdue Pending Jun 13, 2023
18253810 FIBER-REINFORCED RESIN COMPOSITION AND MOLDED ARTICLE AMATO, ELIZABETH KATHRYN 1762 §103 Non-Final OA 45d overdue Pending May 22, 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 Non-Final OA 23d Pending May 05, 2023
18251108 BIOACTIVE POLYETHYLENE COPOLYMER, POLYETHYLENE MACROMOLECULE AND RELATED METHODS THEREOF USELDING, JOHN E 1763 Other Non-Final OA 22d Pending Apr 28, 2023
18246079 WATER-DISPERSIBLE POLYISOCYANATE, AQUEOUS POLYURETHANE RESIN COMPOSITION, AND ARTICLE FROST, ANTHONY J 1782 §103 Final Rejection 23d Pending Mar 21, 2023
18027401 PIEZOELECTRIC DEVICE, FORCE SENSOR, AND BIOLOGICAL INFORMATION ACQUISITION DEVICE KLIMOWICZ, WILLIAM JOSEPH 2688 §103 Non-Final OA 17d overdue Pending Mar 21, 2023
18245448 WATER-DISPERSIBLE BLOCKED ISOCYANATE, FIBER-TREATING AGENT, WATER REPELLENT, COATING COMPOSITION, AND ADHESIVE SERGENT, RABON A 1765 §103 Non-Final OA 13d Pending Mar 15, 2023
18043690 COMPOSITION, MULTILAYER BODY AND METHOD FOR PRODUCING MULTILAYER BODY SLOAN, LILY KAYOKO 1762 §102 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 Non-Final OA 9d overdue Pending Feb 24, 2023
18007053 OPTICAL STRUCTURE AND HEAD-UP DISPLAY PARBADIA, BALRAM T 2872 §103 Non-Final OA 22d Pending Jan 27, 2023
18007114 POLYNUCLEOTIDE, POLYNUCLEOTIDE SET, METHOD FOR DETECTING PORPHYROMONAS GINGIVALIS, METHOD FOR ASSESSING PERIODONTAL DISEASE SUSCEPTIBILITY, PORPHYROMONAS GINGIVALIS DETECTION KIT, AND PERIODONTAL DISEASE SUSCEPTIBILITY ASSESSMENT KIT SWITZER, JULIET CAROLINE 1682 §102 Non-Final OA 155d overdue Pending Jan 27, 2023
18011248 COATING COMPOSITION AND LAMINATE SHAH, SAMIR 1787 §103 Final Rejection 132d overdue Pending Dec 19, 2022
17928482 LAMINATE ZHANG, RUIYUN 1782 §103 Non-Final OA 16d overdue Pending Nov 29, 2022
18053785 mecA GENE AMPLIFICATION PRIMER PAIR, mecA GENE DETECTION KIT AND mecA GENE DETECTION METHOD OYEYEMI, OLAYINKA A 1681 §103 Non-Final OA 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 Non-Final OA 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 Final Rejection 161d overdue Pending Sep 22, 2022
17905084 UNIDIRECTIONAL FIBER-REINFORCED THERMOPLASTIC RESIN SHEET AND METHOD FOR MANUFACTURING SAME WEYDEMEYER, ETHAN 1783 §112 Final Rejection 66d overdue Pending Aug 26, 2022
17800238 SELF-EXTINGUISHABLE FILM FOR LITHIUM-ION BATTERY, METHOD OF PRODUCING SAME, AND LITHIUM-ION BATTERY YUEN, JACKY 1735 §103 Non-Final OA 80d overdue Pending Aug 17, 2022
17797024 THERMOPLASTIC ELASTOMER COMPOSITION AND SHAPED ARTICLE THEREOF DONAHUE, OLGA LUCIA 1763 §103 Non-Final OA 50d overdue Pending Aug 02, 2022
17781281 AQUEOUS DISPERSION AND LAMINATE DUCHENEAUX, FRANK D 1788 §112 Final Rejection 55d Pending May 31, 2022
17629503 URETHANE ALLYL COMPOUND, MONOMER COMPOSITION, MOLDED BODY, COMPOSITION FOR DENTAL MATERIAL, AND DENTAL MATERIAL DAVIDSON IV, CULLEN LEE GARRETT 1767 §103 Non-Final OA 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
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
16769170 POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL AND MOLDED PRODUCT SHUKLA, KRUPA 1787 §103 Final Rejection Pending Jun 02, 2020

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