Prosecution Insights
Last updated: August 18, 2026

Daicel Corporation

61 pending office actions • 31 art units • 52 examiners • 0 of 61 (0%) have an AI response strategy ready • 65 patents granted in the last 365 days

Portfolio Summary

61
Total Pending OAs
36
Non-Final OAs
23
Final Rejections
2
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 21 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

9
Overdue
0
Due this week
7
Due this month
3
Due in next 60 days
2
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. 21 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (9)Due ≤ 30 days (7)Due ≤ 60 days (3)Due later (2)

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.

25
Hard (41%)
32
Medium (52%)
3
Easy (5%)
1
Unknown (2%)

Rejection Statute Mix

BucketCases
§101 + other2 (3%)
§103 only26 (43%)
§102 only4 (7%)
§112 only2 (3%)
Double-patenting only1 (2%)
Double-patenting + other2 (3%)
Multi-statute (no §101)23 (38%)
No statute on record1 (2%)

Industry Mix

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

27
Life Sciences
44% of docket
1
Information Tech
2% of docket
0
Communications
0% of docket
2
Semiconductors
3% of docket
15
Mechanical / Eng
25% of docket
16
Business / Other
26% 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.

610 h
Manual time on pending OAs
122 h
Time saved (low, 20%)
214 h
Time saved (mid, 35%)
5.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
SUL, STEPHEN SANGJIN 4 80.2% +26.5%
KHATRI, PRASHANT J 2 61.1% +28.5%
JIMENEZ, ANTHONY R 2 88.3% +6.9%
BRANDT, DAVID NELSON 2 70.0% +49.0%
FELTON, AILEEN BAKER 2 51.6% +17.7%
MALLOY, ANNA E 2 46.2% -4.9%
VARGAS, ANNA ELIZABETH 2 59.7% +54.1%
MUROMOTO JR, ROBERT H 1 66.6% -10.9%
HUYNH, KHOA D 1 18.1% +20.6%
HALE, GLORIA M 1 73.0% +19.2%

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
18839747 ELECTRIC CIRCUIT SWITCHING DEVICE SUL, STEPHEN SANGJIN
18838372 ELECTRIC CIRCUIT BREAKER DEVICE JIMENEZ, ANTHONY R

Hard Cases (25)

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
18003643 NEEDLELESS INJECTOR NORTH, ISABELLA SARAH HYO SO 46d overdue
18713060 STRUCTURE COMPRISING DIAMOND COATING FILM AND METHOD FOR MANUFACTURING SAME RUMMEL, JULIA L 12d
16022471 ADMINISTRATION APPARATUS VARGAS, ANNA ELIZABETH 13d
16022487 INJECTION APPARATUS VARGAS, ANNA ELIZABETH 13d
18569614 MONK FRUIT EXTRACT AND METHOD FOR PRODUCING SAME HOFFMAN, SUSAN COE 54d
18023946 ENZYME DEHYDROXYLATING HYDROXYL GROUP AT 9-POSITION OF UROLITHIN COMPOUND PAK, YONG D 56d
19406995 PROTECTION DEVICE MUROMOTO JR, ROBERT H
19321905 PROTECTION DEVICE AND PROTECTION METHOD HUYNH, KHOA D

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
16022471 ADMINISTRATION APPARATUS VARGAS, ANNA ELIZABETH 13d
16022487 INJECTION APPARATUS VARGAS, ANNA ELIZABETH 13d
18029710 GAS-FORMING AGENT COMPOSITION FELTON, AILEEN BAKER 22d
19321905 PROTECTION DEVICE AND PROTECTION METHOD HUYNH, KHOA D
19309852 PROTECTION DEVICE AND PROTECTION METHOD HALE, GLORIA M
18989674 CURABLE RESIN COMPOSITION, COATING LAYER, LAMINATE, PLASTIC LENS, AND IMAGE DISPLAY DEVICE KHATRI, PRASHANT J
18846280 ELECTRIC CIRCUIT BREAKER DEVICE SUL, STEPHEN SANGJIN
18840920 ELECTRIC CIRCUIT SWITCHING DEVICE SUL, STEPHEN SANGJIN

Top Art Units

Art UnitApps
3783 8
3732 3
1787 2
1765 2
1734 2
1614 2
1737 2
3746 1
3641 1
1784 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19406995 PROTECTION DEVICE MUROMOTO JR, ROBERT H 3732 §102§103Other Non-Final OA Pending Dec 03, 2025
19321905 PROTECTION DEVICE AND PROTECTION METHOD HUYNH, KHOA D 3732 §101§102§103§112 Non-Final OA Pending Sep 08, 2025
19309852 PROTECTION DEVICE AND PROTECTION METHOD HALE, GLORIA M 3732 §102§112 Non-Final OA Pending Aug 26, 2025
19244609 GAS GENERATOR AND FIXING STRUCTURE OF GAS GENERATOR EDWARDS, LOREN C 3746 §103 Final Rejection 53d Pending Jun 20, 2025
19210548 EQUOL MEASUREMENT KIT AND EQUOL MEASUREMENT METHOD SMITH, MAURICE C §103 Non-Final OA Pending May 16, 2025
18989674 CURABLE RESIN COMPOSITION, COATING LAYER, LAMINATE, PLASTIC LENS, AND IMAGE DISPLAY DEVICE KHATRI, PRASHANT J §102§103 Non-Final OA Pending Dec 20, 2024
18855905 METHOD FOR PRODUCING EMULSIFIED COMPOSITION SONG, JIANFENG §103 Non-Final OA Pending Oct 10, 2024
18846280 ELECTRIC CIRCUIT BREAKER DEVICE SUL, STEPHEN SANGJIN §102§103Other Non-Final OA Pending Sep 12, 2024
18842866 INITIATOR, INITIATOR DEVICE, AND METHOD FOR MANUFACTURING INITIATOR WEBER, JONATHAN C 3641 §102 Final Rejection 78d Pending Aug 30, 2024
18840920 ELECTRIC CIRCUIT SWITCHING DEVICE SUL, STEPHEN SANGJIN §102§103§112 Non-Final OA Pending Aug 23, 2024
18839747 ELECTRIC CIRCUIT SWITCHING DEVICE SUL, STEPHEN SANGJIN §103Other Non-Final OA Pending Aug 20, 2024
18839729 ELECTRIC CIRCUIT SWITCHING DEVICE SUL, STEPHEN SANGJIN §102§103Other Non-Final OA Pending Aug 20, 2024
18838694 ELECTRIC CIRCUIT BREAKER DEVICE JIMENEZ, ANTHONY R §102§103 Non-Final OA Pending Aug 15, 2024
18838372 ELECTRIC CIRCUIT BREAKER DEVICE JIMENEZ, ANTHONY R §102 Non-Final OA Pending Aug 14, 2024
18800674 ANTI-GLARE FILM KHATRI, PRASHANT J DP Non-Final OA Pending Aug 12, 2024
18713993 COMPOSITION AND CELLULOSE DERIVATIVE TRUONG, QUANGLONG N §103 Non-Final OA Pending May 28, 2024
18713060 STRUCTURE COMPRISING DIAMOND COATING FILM AND METHOD FOR MANUFACTURING SAME RUMMEL, JULIA L 1784 §102§103§112 Final Rejection 12d Pending May 23, 2024
18702987 CONDUCTIVE PASTE FOR BONDING YANG, JIE §103 Non-Final OA Pending Apr 19, 2024
18691814 COMPOSITION FOR POLYURETHANE ELASTOMER, AND POLYURETHANE ELASTOMER GOLOBOY, JAMES C §103§112 Non-Final OA Pending Mar 13, 2024
18684358 NANODIAMOND AQUEOUS DISPERSION DAVIS, SHENG HAN §103 Non-Final OA Pending Feb 16, 2024
18684071 CELLULOSE DERIVATIVE, AND BORON ADSORBENT COMPRISING THE CELLULOSE DERIVATIVE SPEER, JOSHUA MAXWELL §112 Non-Final OA Pending Feb 15, 2024
18411228 OPTICAL UNIT AND METHOD FOR MANUFACTURING THE SAME SWIER, WAYNE K. 1748 §103 Non-Final OA Pending Jan 12, 2024
18575949 PERSONALIZED VACCINE ADMINISTRATION O'BRIEN, LEA S §103§112DP Non-Final OA Pending Jan 02, 2024
18575953 ADMINISTRATION OF NAKED NUCLEIC ACID MOLECULE AMAR, MARC J 3741 §102§103§112 Non-Final OA Pending Jan 02, 2024
18573762 INSULATED WIRE, COIL AND CABLE INCLUDING INSULATED WIRE LAWLER, JOHN VINCENT 1787 §103 Non-Final OA 8d overdue Pending Dec 22, 2023
18569614 MONK FRUIT EXTRACT AND METHOD FOR PRODUCING SAME HOFFMAN, SUSAN COE 1655 §101§102§112 Non-Final OA 54d Pending Dec 13, 2023
18512980 METHOD FOR MANUFACTURING POLYMER HUHN, RICHARD A 1764 §112Other Final Rejection 28d Pending Nov 17, 2023
18281590 THERMOPLASTIC RESIN COMPOSITION QIAO, HUIHONG 1763 §103§112 Non-Final OA Pending Sep 12, 2023
18279785 AID TO BE APPLIED TO NEEDLELESS SYRINGE, NEEDLELESS SYRINGE PROVIDED WITH AID, AND INTRADERMAL INJECTION METHOD BRANDT, DAVID NELSON 3783 §102 Non-Final OA Pending Aug 31, 2023
18277709 NANOCARBON MATERIAL DISPERSION COMPOSITION CHU, YONG LIANG 1731 §103 Final Rejection Pending Aug 17, 2023
18276955 METHOD FOR PRODUCING CORE-SHELL POROUS SILICA PARTICLES, AND CORE-SHELL POROUS SILICA PARTICLES LALISSE, REMY FREDERIC 1732 §103 Non-Final OA Pending Aug 11, 2023
18226514 CURABLE COMPOSITION, CURED PRODUCT, OPTICAL MEMBER, AND OPTICAL DEVICE SERGENT, RABON A 1765 §103 Final Rejection Pending Jul 26, 2023
18270771 INJECTOR BRANDT, DAVID NELSON 3783 §102§103 Final Rejection Pending Jul 03, 2023
18269390 CLATHRATE IN WHICH EQUOL IS INCLUDED IN CYCLODEXTRIN, EQUOL-ABSORBENT COMPOSITION CONTAINING SAID CLATHRATE, AND PRODUCTION METHOD THEREFOR BARSKY, JARED 1628 §103 Final Rejection 9d Pending Jun 23, 2023
18208431 NANODIAMOND-ENHANCED NANOFIBER SEPARATOR FOR ELECTROCHEMICAL ENERGY STORAGE DEVICES CHUO, TONY SHENG HSIANG 1751 §102§103§112 Non-Final OA Pending Jun 12, 2023
18030603 CURABLE COMPOSITION AND CURED PRODUCT THEREOF RICE, STEVEN 1787 §102§103 Final Rejection Pending Apr 06, 2023
18030720 CURABLE COMPOUND PRODUCT HEINCER, LIAM J 1767 §103DP Non-Final OA Pending Apr 06, 2023
18029710 GAS-FORMING AGENT COMPOSITION FELTON, AILEEN BAKER 1734 §102 Final Rejection 22d Pending Mar 31, 2023
18026059 SURFACE-ENHANCED RAMAN SCATTERING AGENT AMARA, MOHAMED K 2877 §103 Final Rejection 83d Pending Mar 13, 2023
18115601 PARTITIONING MEMBER FOR TOTAL HEAT EXCHANGE ELEMENTS, TOTAL HEAT EXCHANGE ELEMENT, AND VENTILATION APPARATUS ALVARE, PAUL 3763 §103 Final Rejection Pending Feb 28, 2023
18023946 ENZYME DEHYDROXYLATING HYDROXYL GROUP AT 9-POSITION OF UROLITHIN COMPOUND PAK, YONG D 1652 §102§112Other Non-Final OA 56d Pending Feb 28, 2023
18018904 POLYORGANO SILSESQUIOXANE, CURABLE COMPOSITION, CURED PRODUCT, HARD COAT FILM, ADHESIVE SHEET, AND LAMINATE BERRO, ADAM JOSEPH 1765 §103 Non-Final OA 24d overdue Pending Jan 31, 2023
18003643 NEEDLELESS INJECTOR NORTH, ISABELLA SARAH HYO SO 3783 §103§112 Final Rejection 46d overdue Pending Dec 28, 2022
17926635 SCRUB AGENT, SCRUB AGENT-CONTAINING COMPOSITION, AND SCRUB AGENT PRODUCTION METHOD KNIGHT, SAMANTHA JO 1614 §103 Final Rejection 32d overdue Pending Nov 21, 2022
17926424 A COMPOSITION FOR IMPROVING QOL OF A 40-YEAR-OLD OR OLDER POSTMENOPAUSAL WOMAN WITHOUT MENOPAUSAL DISORDER ROZOF, TIMOTHY R 1625 §103 Non-Final OA 103d overdue Pending Nov 18, 2022
17987136 Hybrid Lens and Method for Manufacturing Hybrid Lens HUANG, WEN 2872 §103 Final Rejection 8d overdue Pending Nov 15, 2022
17800274 METHOD FOR PRODUCING POLYTHIOETHER COMPOUND DESTEFANO, AUDRA JEAN 1766 §103 Non-Final OA 25d overdue Pending Aug 17, 2022
17797141 REGRESSION ANALYSIS DEVICE, REGRESSION ANALYSIS METHOD, AND PROGRAM LE, PHAT NGOC 2182 §103§112 Final Rejection Pending Aug 03, 2022
17794322 COMPOSITION AND METHOD FOR PRODUCING SAME WITHERSPOON, SIKARL A 1692 §103 Non-Final OA 121d overdue Pending Jul 21, 2022
17788823 1,3-BUTYLENE GLYCOL PRODUCT LIU, TRACY 1614 §102§112 Non-Final OA Pending Jun 24, 2022
17789113 METHOD FOR MANUFACTURING 1,3-BUTYLENE GLYCOL, AND 1,3-BUTYLENE GLYCOL PRODUCT KIFLE, BRUCK 1626 Other Final Rejection Pending Jun 24, 2022
17755621 ULTRA FINE BUBBLE PRODUCTION APPARATUS INSLER, ELIZABETH 1774 §102§103§112 Non-Final OA Pending May 03, 2022
17771948 MULTI-SHOT INJECTION PATCH KOO, BENJAMIN K 3783 §103§112 Final Rejection Pending Apr 26, 2022
17423368 CRACK RESISTANT MEMBER LALONDE, ALEXANDRA ELIZABETH 3783 §103 Non-Final OA 50d overdue Pending Mar 18, 2022
17598034 EXPLOSIVE COMPOSITION AND METHOD FOR MANUFACTURING SAME, AND METHOD FOR MANUFACTURING HETEROATOM-DOPED NANODIAMOND FELTON, AILEEN BAKER 1734 §102§103 Final Rejection Pending Sep 24, 2021
17310002 IMMUNOSTIMULATING COMPOSITION POLIAKOVA-GEORGAN, EKATERINA 1600 §103 Final Rejection Pending Jul 09, 2021
16968134 INJECTOR AND METHOD OF INJECTING SOLUTION CONTAINING BIOMOLECULES INTO CELL NUCLEUS OF INJECTION TARGET USING THE SAME VOKES, KATHLEEN PAIGE 3783 §103 Non-Final OA Pending Aug 06, 2020
16964038 PHOTORESIST RESIN, PRODUCTION METHOD FOR PHOTORESIST RESIN, PHOTORESIST RESIN COMPOSITION, AND PATTERN FORMATION METHOD MALLOY, ANNA E 1737 §103 Final Rejection 22d Pending Jul 22, 2020
16569305 MONOMERS, PHOTORESIST RESINS, PHOTORESIST RESIN COMPOSITIONS, AND PATTERN FORMING METHOD MALLOY, ANNA E 1737 §103 Non-Final OA Pending Sep 12, 2019
16022471 ADMINISTRATION APPARATUS VARGAS, ANNA ELIZABETH 3783 §103§112 Final Rejection 13d Pending Jun 28, 2018
16022487 INJECTION APPARATUS VARGAS, ANNA ELIZABETH 3783 §103§112 Final Rejection 13d Pending Jun 28, 2018

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