Prosecution Insights
Last updated: May 29, 2026

Mitsubishi Gas Chemical Company Inc.

36 pending office actions • 22 art units • 29 examiners • 0 of 36 (0%) have an AI response strategy ready • 67 patents granted in the last 365 days

Portfolio Summary

36
Total Pending OAs
20
Non-Final OAs
14
Final Rejections
2
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 36 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

19
Overdue
2
Due this week
7
Due this month
2
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. 36 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (19)Due ≤ 7 days (2)Due ≤ 30 days (7)Due ≤ 60 days (2)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%)
30
Medium (83%)
1
Easy (3%)
5
Unknown (14%)

Rejection Statute Mix

BucketCases
§103 only27 (75%)
§102 only3 (8%)
§112 only1 (3%)
No statute on record5 (14%)

Industry Mix

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

35
Life Sciences
97% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
1
Semiconductors
3% of docket
0
Mechanical / Eng
0% 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.

360 h
Manual time on pending OAs
72 h
Time saved (low, 20%)
126 h
Time saved (mid, 35%)
3.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
MILLER, BETHANY MACKENZIE 3 54.9% +47.9%
FREEMAN, JOHN D 3 45.9% +7.1%
BUTTNER, DAVID J 3 63.9% +4.1%
STONEHOCKER, VIRGINIA LEE 2 81.8% +4.9%
AHVAZI, BIJAN 1 63.5% +46.7%
THAKUR, VIREN A 1 13.4% +26.7%
COPPINS, JANET L 1 73.4% +25.0%
MIGGINS, MICHAEL C 1 80.7% +16.5%
AHMED, SHAMIM 1 78.5% +22.0%
LEI, JIE 1 72.6% +16.7%

Quick Wins (3)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 3 ordered by deadline are shown.

App #TitleExaminerDue in
18286518 Hollow Structure for Fuel MIGGINS, MICHAEL C 131d overdue
18561932 RESIN COMPOSITION, PREPREG, RESIN SHEET, LAMINATE, METAL FOIL-CLAD LAMINATE, AND PRINTED WIRING BOARD STONEHOCKER, VIRGINIA LEE 27d
17801968 RESIN COMPOSITION, OPTICAL LENS CONTAINING THIS, AND OPTICAL FILM STONEHOCKER, VIRGINIA LEE 72d

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
18683580 PACKAGE FOR FRUIT OR VEGETABLE AND METHOD FOR KEEPING FRESHNESS OF FRUIT OR VEGETABLE THAKUR, VIREN A 56d

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
18286518 Hollow Structure for Fuel MIGGINS, MICHAEL C 131d overdue
17621362 FILM, LAMINATE, SEMICONDUCTOR WAFER WITH FILM LAYER, SUBSTRATE FOR MOUNTING SEMICONDUCTOR WITH FILM LAYER, AND SEMICONDUCTOR DEVICE MILLER, BETHANY MACKENZIE 79d overdue
18555822 AGENT FOR PROMOTING LIPID REDUCTION COPPINS, JANET L 52d overdue
18844109 MULTILAYER BODY AND MULTILAYER CONTAINER MILLER, BETHANY MACKENZIE 37d overdue
18846083 RESIN COMPOSITION, CURED PRODUCT, PREPREG, METAL FOIL-CLAD LAMINATE, RESIN COMPOSITE SHEET, PRINTED WIRING BOARD, AND SEMICONDUCTOR DEVICE MILLER, BETHANY MACKENZIE 30d overdue
18280816 OPTCAL LAMINATE AND EYEWEAR USING SAME LEI, JIE 23d overdue
18709191 OPTICAL LENS THAT CONTAINS THERMOPLASTIC RESIN AHVAZI, BIJAN 5d
18283083 METHOD FOR PRODUCING SEMICONDUCTOR SUBSTRATE FOR MEMORY ELEMENTS AHMED, SHAMIM 20d

Top Art Units

Art UnitApps
1787 6
1765 4
1782 3
1763 2
1766 2
1737 2
1789 2
1792 1
1628 1
1713 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18846083 RESIN COMPOSITION, CURED PRODUCT, PREPREG, METAL FOIL-CLAD LAMINATE, RESIN COMPOSITE SHEET, PRINTED WIRING BOARD, AND SEMICONDUCTOR DEVICE MILLER, BETHANY MACKENZIE 1787 §103 Non-Final OA 30d overdue Pending Sep 11, 2024
18844109 MULTILAYER BODY AND MULTILAYER CONTAINER MILLER, BETHANY MACKENZIE 1787 §103 Non-Final OA 37d overdue Pending Sep 05, 2024
18834965 MULTILAYER CONTAINER, METHOD FOR PRODUCING TWO-LAYER PREFORM AND METHOD FOR PRODUCING MULTILAYER CONTAINER FREEMAN, JOHN D 1787 §103 Non-Final OA 65d Pending Jul 31, 2024
18709191 OPTICAL LENS THAT CONTAINS THERMOPLASTIC RESIN AHVAZI, BIJAN 1763 §103 Final Rejection 5d Pending May 10, 2024
18685196 STRETCHED FILM, MULTILAYER FILM, AND PACKAGING MATERIAL FREEMAN, JOHN D 1787 §112 Final Rejection 13d Pending Feb 20, 2024
18683565 MULTILAYER BODY FREEMAN, JOHN D 1787 §103 Final Rejection 81d overdue Pending Feb 14, 2024
18683580 PACKAGE FOR FRUIT OR VEGETABLE AND METHOD FOR KEEPING FRESHNESS OF FRUIT OR VEGETABLE THAKUR, VIREN A 1792 §103 Final Rejection 56d Pending Feb 14, 2024
18515885 METHODS FOR PRODUCING POLYCARBONATE COPOLYMER AND POLYSILOXANE COMPOUND, POLYCARBONATE COPOLYMER, POLYSILOXANE COMPOUND, COMPOSITION, AND MOLDED BODY BUTTNER, DAVID J 1765 Other Non-Final OA 8d overdue Pending Nov 21, 2023
18561932 RESIN COMPOSITION, PREPREG, RESIN SHEET, LAMINATE, METAL FOIL-CLAD LAMINATE, AND PRINTED WIRING BOARD STONEHOCKER, VIRGINIA LEE 1766 §103 Non-Final OA 27d Pending Nov 17, 2023
18555822 AGENT FOR PROMOTING LIPID REDUCTION COPPINS, JANET L 1628 §103 Non-Final OA 52d overdue Pending Oct 17, 2023
18286518 Hollow Structure for Fuel MIGGINS, MICHAEL C 1782 §103 Non-Final OA 131d overdue Pending Oct 11, 2023
18283083 METHOD FOR PRODUCING SEMICONDUCTOR SUBSTRATE FOR MEMORY ELEMENTS AHMED, SHAMIM 1713 §103 Non-Final OA 20d Pending Sep 20, 2023
18280816 OPTCAL LAMINATE AND EYEWEAR USING SAME LEI, JIE 2872 §103 Non-Final OA 23d overdue Pending Sep 07, 2023
18277455 OXYGEN SCAVENGER POWDER ZHANG, KELING NMN 1732 §103 Non-Final OA 54d Pending Aug 16, 2023
18276534 RESIN COMPOSITION, COATING FILM USING SAME, AND ELECTROLYTE BUTTNER, DAVID J 1765 Other Final Rejection 3d overdue Pending Aug 09, 2023
18273105 THERMOPLASTIC RESIN AND OPTICAL LENS INCLUDING SAME BUTTNER, DAVID J 1765 §103 Non-Final OA 62d Pending Jul 19, 2023
18273244 PHOTOCURABLE COMPOSITION, CURED PRODUCT THEREOF, AND OPTICAL MATERIAL CONTAINING SAID CURED PRODUCT KARST, DAVID THOMAS 1767 §103 Non-Final OA 76d Pending Jul 19, 2023
18272221 GLYCIDYL (METH)ACRYLATE COMPOSITION RODRIGUEZ-GARCIA, VALERIE 1621 §102 Non-Final OA 5d Pending Jul 13, 2023
18038574 PHOTOSENSITIVE POLYIMIDE RESIN COMPOSITION, RESIN FILM, AND ELECTRONIC DEVICE COSGROVE, JAYSON D 1737 §103 Final Rejection 23d Pending May 24, 2023
18030463 FILAMENT, STRUCTURE, RESIN COMPOSITION, AND METHOD FOR PRODUCING FILAMENT WORRELL, KEVIN 1789 §103 Final Rejection 49d overdue Pending Apr 05, 2023
18030472 FILAMENT, MATERIAL, AND METHOD FOR PRODUCING THE MATERIAL MCKINNON, LASHAWNDA T 1789 §102 Final Rejection 93d overdue Pending Apr 05, 2023
18026687 CYANINE COMPOUND AND PHOTOELECTRIC CONVERSION ELEMENT KENYON, JOHN S 1625 Non-Final OA 62d Pending Mar 16, 2023
18043368 BIOCHIP, METHOD FOR PRODUCING SAME, AND USE OF SAME LYLE, SOPHIA YUAN 1796 §102 Final Rejection 76d Pending Feb 28, 2023
18021973 SINGLE-LAYER CONTAINER, MANUFACTURING METHOD THEREOF, AND RECYCLED POLYESTER MANUFACTURING METHOD YAGER, JAMES C 1782 §103 Non-Final OA 117d overdue Pending Feb 17, 2023
18021310 RESIN COMPOSITION, RESIN SHEET, MULTILAYERED ARTICLE AND CARD FISCHER, JUSTIN R 1749 §103 Final Rejection 111d overdue Pending Feb 14, 2023
18020531 THERMOPLASTIC RESIN COMPOSITION FOR OPTICAL MATERIAL, MOLDED ARTICLE, COMPOUNDING AGENT, METHOD FOR PRODUCING THERMOPLASTIC RESIN COMPOSITION, AND METHOD FOR IMPROVING TRANSMISSIVITY USELDING, JOHN E 1763 Other Non-Final OA 9d overdue Pending Feb 09, 2023
18003565 RESIN COMPOSITION AND MOLDED ARTICLE BERRO, ADAM JOSEPH 1765 §103 Final Rejection 37d overdue Pending Dec 28, 2022
17913333 PREPREG, FIBER-REINFORCED COMPOSITE MATERIAL, HIGH-PRESSURE GAS STORAGE TANK, METHOD FOR PRODUCING PREPREG, AND METHOD FOR PRODUCING HIGH-PRESSURE GAS STORAGE TANK LAN, YAN 1782 §103 Non-Final OA 22d Pending Sep 21, 2022
17912983 FILM INSERT MOLDED ARTICLE AND MANUFACTURING METHOD FOR FILM INSERT MOLDED ARTICLE VAN SELL, NATHAN L 1783 §103 Non-Final OA 8d Pending Sep 20, 2022
17801968 RESIN COMPOSITION, OPTICAL LENS CONTAINING THIS, AND OPTICAL FILM STONEHOCKER, VIRGINIA LEE 1766 §103 Final Rejection 72d Pending Aug 24, 2022
17904855 METHOD FOR PRODUCING PURIFIED PHTHALONITRILE AND METHOD FOR PURIFYING PHTHALONITRILE KELLY-O'NEILL, YOLANDA LYNNETTE 1692 Other Non-Final OA 29d Pending Aug 23, 2022
17781990 METHOD FOR PRODUCING FIBER-REINFORCED RESIN ARTICLE GROUX, JENNIFER LILA 1754 §103 Final Rejection 28d overdue Pending Jun 02, 2022
17774626 RESIN COMPOSITION, PLATE-SHAPED MOLDED ARTICLE, MULTILAYERED ARTICLE, AND ANTI-REFLECTION FILM DARLING, DEVIN MITCHELL 1764 §103 Final Rejection 52d overdue Pending May 05, 2022
17638704 FILAMENT FOR THREE-DIMENSIONAL PRINTER, WINDING, METHOD FOR PRODUCING FILAMENT FOR THREE-DIMENSIONAL PRINTER, AND METHOD FOR PRODUCING FORMED ARTICLE BARTLETT, VICTORIA 1744 §103 Non-Final OA 121d overdue Pending Feb 25, 2022
17633856 COMPOUND, POLYMER, COMPOSITION, COMPOSITION FOR FILM FORMATION, PATTERN FORMATION METHOD, INSULATING FILM FORMATION METHOD, AND METHOD FOR PRODUCING COMPOUND, AS WELL AS METHOD FOR PRODUCING IODINE-CONTAINING VINYL POLYMER AND ACETYLATED DERIVATIVE THEREOF TRAYWICK, ANDREW PRESTON 1737 §103 Non-Final OA 38d overdue Pending Feb 08, 2022
17621362 FILM, LAMINATE, SEMICONDUCTOR WAFER WITH FILM LAYER, SUBSTRATE FOR MOUNTING SEMICONDUCTOR WITH FILM LAYER, AND SEMICONDUCTOR DEVICE MILLER, BETHANY MACKENZIE 1787 §103 Non-Final OA 79d overdue Pending Dec 21, 2021

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