Technology areas: Biotechnology & Pharmaceuticals • Chemistry & Materials
69 pending office actions • 35 art units • 55 examiners • 0 of 69 (0%) have an AI response strategy ready • 39 patents granted in the last 365 days
Denka Company Limited has 66 pending office actions in Chemistry & Materials. The matters span 54 distinct examiners and 35 distinct art units, showing a broad prosecution footprint across the technical area. The distribution makes centralized docket monitoring important, because individual examiner activity represents only part of the portfolio's examination exposure.
KOSLOW, CAROL M is the busiest examiner, with 3 pending matters. That concentration is limited relative to the full pending docket, so counsel should not treat one examiner's approach as representative of the entire portfolio. A useful review framework would group matters by art unit and recurring chemistry or materials issues, then track examiner-specific response requirements within those groups.
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.
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.
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.
| Bucket | Cases |
|---|---|
| §101 + other | 3 (4%) |
| §103 only | 32 (46%) |
| §102 only | 1 (1%) |
| Double-patenting + other | 9 (13%) |
| Multi-statute (no §101) | 24 (35%) |
How the docket's pending cases split across USPTO tech-center bands.
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.
| Examiner | Apps on this docket | Allow rate | Interview lift |
|---|---|---|---|
| KOSLOW, CAROL M | 3 | 81.6% | +12.3% |
| DARLING, DEVIN MITCHELL | 3 | 61.0% | +20.9% |
| LAWLER, JOHN VINCENT | 2 | 57.1% | +43.4% |
| OGUNBIYI, OLUWATOSIN A | 2 | 63.8% | +41.2% |
| FERRE, ALEXANDRE F | 2 | 59.1% | +20.1% |
| JADHAO, SAMADHAN JAISING | 2 | 46.2% | +47.0% |
| ZHANG, RUIYUN | 2 | 70.3% | +10.7% |
| KRYLOVA, IRINA | 2 | 36.6% | +48.3% |
| WALKER, AJA ARYANNA | 2 | 66.7% | +42.9% |
| AUER, LAURA A | 2 | 49.9% | +34.2% |
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 # | Title | Examiner | Due in |
|---|---|---|---|
| 18022701 | FLUORIDE PHOSPHOR, COMPLEX, AND LIGHT-EMITTING DEVICE | KOSLOW, CAROL M | 147d overdue |
| 18287386 | REAGENT COMPOSITION AND KIT | SPANGLER, JOSEPH RANKIN | 96d overdue |
| 18683720 | FIBERS FOR ARTIFICIAL HAIR, FIBER BUNDLE FOR ARTIFICIAL HAIR, AND HAIR DECORATION PRODUCT | MCKINNON, LASHAWNDA T | 26d overdue |
| 17770475 | BORON NITRIDE POWDER AND PRODUCTION METHOD THEREFOR, BORON CARBONITRIDE POWDER, COMPOSITE MATERIAL, AND HEAT DISSIPATING MEMBER | STANLEY, JANE L | 17d overdue |
| 16978959 | DETECTION OF ALZHEIMER'S DISEASE (AD), FRONTOTEMPORAL LOBAR DEGENERATION (FTLD), AMYOTROPHIC LATERAL SCHLEROSIS (ALS), PARKINSON'S DISEASE (PD), AND DEMENTIA WITH LEWY BODIES (DLB) INDICATED BY PHOSPHORYLATION OF MARCKS | FRITCHMAN, REBECCA M | 10d overdue |
| 17919096 | ADENOVIRUS IMMUNOASSAY METHOD AND IMMUNOASSAY INSTRUMENT | BUCKMASTER, MARLENE VRENI | 9d overdue |
| 17906772 | BORON NITRIDE SINTERED BODY, COMPLEX, METHOD FOR MANUFACTURING THESE, AND HEAT DISSIPATION MEMBER | MILLER, CAMERON KENNETH | 8d |
| 18284796 | SPHERICAL INORGANIC POWDER AND LIQUID ENCAPSULATION MATERIAL | DAVIS, SHENG HAN | 55d |
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 # | Title | Examiner | Due in |
|---|---|---|---|
| 18022701 | FLUORIDE PHOSPHOR, COMPLEX, AND LIGHT-EMITTING DEVICE | KOSLOW, CAROL M | 147d overdue |
| 17426557 | IMMUNOCHROMATOGRAPHIC TEST STRIP FOR EXTRACTING AND MEASURING SUGAR CHAIN ANTIGENS, CAPABLE OF CONTROLLING THE DEVELOPMENT OF SPECIMEN BY IMPREGNATING HYDROPHILIC MATERIAL WITH NITRITE OR SOLID ACID REAGENT | OGUNBIYI, OLUWATOSIN A | 12d |
| 18266099 | BORON NITRIDE POWDER, HEAT DISSIPATION SHEET, AND METHOD FOR PRODUCING HEAT DISSIPATION SHEET | WALKER, AJA ARYANNA | 53d |
| 18256667 | RUBBER MATERIAL, RUBBER COMPOSITION, VULCANIZED OBJECT, FOAMED OBJECT, AND WET SUIT | KRYLOVA, IRINA | 71d |
| 18844036 | Eu-ACTIVATED BETA-SIALON PHOSPHOR PARTICLES, BETA-SIALON PHOSPHOR POWDER, AND LIGHT-EMITTING DEVICE | KOSLOW, CAROL M | — |
| 18807116 | COPOLYMER AND LAMINATE CONTAINING SAME | LAWLER, JOHN VINCENT | — |
| 18799459 | CURABLE COMPOSITION AND CURED PRODUCT THEREOF | LAWLER, JOHN VINCENT | — |
| 18833175 | METHOD FOR DETECTING HELICOBACTER SUIS ANTIBODY USING WHOLE CELL | OGUNBIYI, OLUWATOSIN A | — |
| Art Unit | Apps |
|---|---|
| 1764 | 6 |
| 1767 | 5 |
| 1672 | 5 |
| 1734 | 3 |
| 1787 | 3 |
| 1761 | 3 |
| 1732 | 3 |
| 1731 | 2 |
| 1645 | 2 |
| 1766 | 2 |
| App # | Title | Examiner | Art Unit | Statutes | Status | Due in | AI | Filed |
|---|---|---|---|---|---|---|---|---|
| 18875704 | THERMOELECTRIC CONVERSION MODULE AND PRODUCTION METHOD FOR SAME | MERSHON, JAYNE L | 1721 | §103 | Non-Final OA | — | Pending | Dec 16, 2024 |
| 18859156 | HEAT DISSIPATION MEMBER AND ELECTRONIC DEVICE | CRUM, JACOB R | 2841 | §103 | Non-Final OA | — | Pending | Oct 22, 2024 |
| 18850040 | COMPOSITION FOR TEMPORARY FIXATION | ROSWELL, JESSICA MARIE | 1767 | §102§103§112DP | Non-Final OA | — | Pending | Sep 23, 2024 |
| 18844036 | Eu-ACTIVATED BETA-SIALON PHOSPHOR PARTICLES, BETA-SIALON PHOSPHOR POWDER, AND LIGHT-EMITTING DEVICE | KOSLOW, CAROL M | 1734 | §102§112 | Non-Final OA | — | Pending | Sep 04, 2024 |
| 18807116 | COPOLYMER AND LAMINATE CONTAINING SAME | LAWLER, JOHN VINCENT | 1787 | §103§112DP | Non-Final OA | — | Pending | Aug 16, 2024 |
| 18838215 | SPHERICAL BORON NITRIDE PARTICLES, FILLER FOR RESINS, RESIN COMPOSITION, AND METHOD FOR PRODUCING SPHERICAL BORON NITRIDE PARTICLES | GREEN, ANTHONY J | 1731 | §103 | Non-Final OA | — | Pending | Aug 13, 2024 |
| 18799459 | CURABLE COMPOSITION AND CURED PRODUCT THEREOF | LAWLER, JOHN VINCENT | 1787 | §103 | Non-Final OA | — | Pending | Aug 09, 2024 |
| 18833175 | METHOD FOR DETECTING HELICOBACTER SUIS ANTIBODY USING WHOLE CELL | OGUNBIYI, OLUWATOSIN A | 1645 | §102§103 | Non-Final OA | — | Pending | Jul 25, 2024 |
| 18710224 | INORGANIC FILLER AND HEAT DISSIPATION MEMBER | DIGGS, TANISHA | 1761 | §102§103§112 | Non-Final OA | — | Pending | May 15, 2024 |
| 18706327 | REAGENT COMPOSITION AND KIT | BERKE-SCHLESSEL, DAVID W | 1651 | §102§103§112DP | Non-Final OA | — | Pending | Apr 30, 2024 |
| 18701772 | METHOD FOR PRODUCING SPHERICAL SILICA PARTICLES | GREGORIO, GUINEVER S | 1732 | §103 | Non-Final OA | — | Pending | Apr 16, 2024 |
| 18701790 | SPHERICAL SILICA PARTICLES, AND RESIN COMPOSITION USING SAME | WASHVILLE, JEFFREY D | 1766 | §102 | Non-Final OA | — | Pending | Apr 16, 2024 |
| 18701376 | MULTILAYER STRUCTURE INCLUDING INSULATING LAYER | CHEN, VIVIAN | 1787 | §103 | Non-Final OA | 55d | Pending | Apr 15, 2024 |
| 18698695 | HEAT DISSIPATION MEMBER | WOLDEGEORGIS, ERMIAS T | — | §103 | Final Rejection | — | Pending | Apr 04, 2024 |
| 18694095 | COMPOSITION FOR ULTRAVIOLET LIGHT REFLECTION | LIOTT, CAROLINE DUSHECK | 1732 | §102§103 | Non-Final OA | — | Pending | Mar 21, 2024 |
| 18693227 | CARBON BLACK, COMPOSITION, LAMINATE, AND BATTERY | FERRE, ALEXANDRE F | 1788 | §102§103 | Non-Final OA | — | Pending | Mar 19, 2024 |
| 18689133 | FLUORESCENT POWDER AND LIGHT-EMITTING DEVICE | GROOMS, NOA WILLIAM FRAN | 2896 | §103§112DP | Non-Final OA | — | Pending | Mar 05, 2024 |
| 18688846 | FLUORESCENT POWDER AND LIGHT-EMITTING DEVICE | KOSLOW, CAROL M | 1734 | §103§112 | Non-Final OA | — | Pending | Mar 04, 2024 |
| 18686594 | CHLOROPRENE BLOCK COPOLYMER, LATEX, LATEX COMPOSITION, AND RUBBER COMPOSITION | FEELY, MICHAEL J | 1766 | §103DP | Non-Final OA | — | Pending | Feb 26, 2024 |
| 18566750 | STOOL SPECIMEN TEST METHOD AND IMMUNOCHROMATOGRAPHIC TEST PIECE THEREFOR | VOLKOV, ALEXANDER ALEXANDROVIC | 1677 | §102§103 | Non-Final OA | — | Pending | Feb 26, 2024 |
| 18685605 | METHOD FOR PRODUCING POSITIVE ELECTRODE COMPOSITION AND METHOD FOR PRODUCING POSITIVE ELECTRODE | BUCHANAN, JACOB | 1725 | §103 | Non-Final OA | — | Pending | Feb 22, 2024 |
| 18684435 | SPHERICAL CRYSTALLINE SILICA POWDER AND METHOD FOR PRODUCING SAME | FORREST, MICHAEL | 1738 | §103 | Non-Final OA | — | Pending | Feb 16, 2024 |
| 18683720 | FIBERS FOR ARTIFICIAL HAIR, FIBER BUNDLE FOR ARTIFICIAL HAIR, AND HAIR DECORATION PRODUCT | MCKINNON, LASHAWNDA T | 1789 | §102§103 | Final Rejection | 26d overdue | Pending | Feb 14, 2024 |
| 18681669 | HEAT DISSIPATION MEMBER AND ELECTRONIC DEVICE | WHALEN, DANIEL B | 2893 | §103 | Final Rejection | — | Pending | Feb 06, 2024 |
| 18578989 | OXIDE COMPOSITE PARTICLES, METHOD FOR PRODUCING SAME, AND RESIN COMPOSITION | MCCRACKEN, DANIEL | 1736 | §103 | Non-Final OA | — | Pending | Jan 12, 2024 |
| 18578955 | OXIDE COMPOSITE PARTICLES, METHOD FOR PRODUCING SAME, AND RESIN COMPOSITION | SALAMON, PETER A | 1759 | §103 | Non-Final OA | — | Pending | Jan 12, 2024 |
| 18562078 | ANTI-NOROVIRUS ANTIBODY | JADHAO, SAMADHAN JAISING | 1672 | §103§112DP | Non-Final OA | — | Pending | Dec 18, 2023 |
| 18567872 | HEXAGONAL BORON NITRIDE POWDER AND METHOD FOR PRODUCING SAME, AND COSMETICS AND METHOD FOR MANUFACTURING SAME | WERTZ, ASHLEE ELIZABETH | 1612 | §102§103 | Non-Final OA | 70d | Pending | Dec 07, 2023 |
| 18568066 | HEXAGONAL BORON NITRIDE POWDER AND METHOD FOR PRODUCING SAME, AND COSMETIC AND METHOD FOR PRODUCING SAME | RUMP, RICHARD M | 1759 | §103 | Final Rejection | — | Pending | Dec 07, 2023 |
| 18567433 | HEXAGONAL BORON NITRIDE POWDER AND METHOD FOR PRODUCING SAME, AND COSMETIC PREPARATION AND METHOD FOR PRODUCING SAME | PIRO, NICHOLAS ANTHONY | 1738 | §102§103§112 | Final Rejection | — | Pending | Dec 06, 2023 |
| 18562099 | NOROVIRUS IMMUNOASSAY METHOD AND IMMUNOASSAY INSTRUMENT | JADHAO, SAMADHAN JAISING | 1672 | §102§103§112 | Non-Final OA | — | Pending | Nov 17, 2023 |
| 18560051 | ADHESIVE SHEET FOR BACKGRINDING, SEMICONDUCTOR WAFER MANUFACTURING METHOD, AND SUBSTRATE SHEET | WEYDEMEYER, ALICIA JANE | 1746 | §103 | Final Rejection | — | Pending | Nov 09, 2023 |
| 18552801 | CHLOROPRENE POLYMER, CHLOROPRENE POLYMER COMPOSITION, VULCANIZATION MOLDED BODY AND ROLL | DARLING, DEVIN MITCHELL | 1764 | §102DP | Non-Final OA | — | Pending | Oct 30, 2023 |
| 18287386 | REAGENT COMPOSITION AND KIT | SPANGLER, JOSEPH RANKIN | 1656 | §103§112 | Final Rejection | 96d overdue | Pending | Oct 18, 2023 |
| 18553124 | Peptide of Norovirus Origin, Polynucleotide, Antibody, Composition, Method for Identifying Neutralizing Epitope for Norovirus | GRIZER, CASSANDRA SENN | 1672 | §101§102§103§112 | Non-Final OA | — | Pending | Sep 28, 2023 |
| 18284804 | INORGANIC POWDER, INORGANIC COMPOSITION, AND RESIN COMPOSITION | KOLB, KATARZYNA I | 1767 | §102§103§112 | Non-Final OA | — | Pending | Sep 28, 2023 |
| 18284796 | SPHERICAL INORGANIC POWDER AND LIQUID ENCAPSULATION MATERIAL | DAVIS, SHENG HAN | 1732 | §103§112 | Non-Final OA | 55d | Pending | Sep 28, 2023 |
| 18283624 | BORON NITRIDE PARTICLES AND METHOD FOR PRODUCING SAME, AND RESIN COMPOSITION | ZHANG, RUIYUN | 1782 | §102§103 | Non-Final OA | — | Pending | Sep 22, 2023 |
| 18274370 | CHLOROPRENE POLYMER, CHLOROPRENE POLYMER LATEX, METHOD FOR PRODUCING CHLOROPRENE POLYMER LATEX, COMPOUND COMPOSITION AND VULCANIZATION MOLDED BODY | DARLING, DEVIN MITCHELL | 1764 | §103§112Other | Final Rejection | — | Pending | Jul 26, 2023 |
| 18274281 | CHLOROPRENE POLYMER, CHLOROPRENE POLYMER LATEX, METHOD FOR PRODUCING CHLOROPRENE POLYMER LATEX, COMPOUND COMPOSITION AND VALCANIZATION MOLDED BODY | DARLING, DEVIN MITCHELL | 1764 | §103 | Final Rejection | — | Pending | Jul 26, 2023 |
| 18273831 | SPHERICAL ALUMINA PARTICLES, METHOD FOR PRODUCING SAME, AND RESIN COMPOSITION | SMARI, ABDUL-RAHMAN YUSUF WALEED | 1736 | §102§103 | Final Rejection | — | Pending | Jul 24, 2023 |
| 18262499 | CARBON BLACK, CARBON BLACK PRODUCTION METHOD, COMPOSITION FOR ELECTRODE, ELECTRODE, AND SECONDARY BATTERY | LEE, DORIS L | 1764 | §103 | Final Rejection | 71d | Pending | Jul 21, 2023 |
| 18269257 | Method for Measuring Target Antigen, and Insoluble Particles and Kit for Target Antigen Measurement Used Therein | DAHLE, CHUN WU | 1641 | §103 | Final Rejection | — | Pending | Jun 22, 2023 |
| 18256667 | RUBBER MATERIAL, RUBBER COMPOSITION, VULCANIZED OBJECT, FOAMED OBJECT, AND WET SUIT | KRYLOVA, IRINA | 1764 | §103 | Final Rejection | 71d | Pending | Jun 09, 2023 |
| 18266099 | BORON NITRIDE POWDER, HEAT DISSIPATION SHEET, AND METHOD FOR PRODUCING HEAT DISSIPATION SHEET | WALKER, AJA ARYANNA | 1761 | §103 | Final Rejection | 53d | Pending | Jun 08, 2023 |
| 18249463 | RUBBER COMPOSITION, VULCANIZED PRODUCT, AND VULCANIZED MOLDED ARTICLE | ZHANG, RUIYUN | 1782 | §103 | Non-Final OA | — | Pending | Apr 18, 2023 |
| 18246811 | BORON NITRIDE POWDER AND METHOD FOR PRODUCING BORON NITRIDE POWDER | AUER, LAURA A | 1783 | §103 | Final Rejection | — | Pending | Mar 27, 2023 |
| 18246819 | HEXAGONAL BORON NITRIDE POWDER AND METHOD FOR PRODUCING SINTERED BODY | AUER, LAURA A | 1783 | §103 | Final Rejection | — | Pending | Mar 27, 2023 |
| 18028324 | FERRITIN MEASURING REAGENT | FRITCHMAN, REBECCA M | 1758 | §103 | Final Rejection | — | Pending | Mar 24, 2023 |
| 18245852 | BORON CARBONITRIDE POWDER AND METHOD FOR PRODUCING SAME, POWDER COMPOSITION, BORON NITRIDE SINTERED COMPACT AND METHOD FOR PRODUCING SAME, AND COMPLEX AND METHOD FOR PRODUCING SAME | WALKER, AJA ARYANNA | 1761 | §102§103 | Non-Final OA | — | Pending | Mar 17, 2023 |
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Start Free TrialDenka Company Limited has 69 pending office actions as of October 2026, spread across 35 art units and 55 examiners.
Carol M Koslow has the most, with 3 of Denka Company Limited's pending office actions.
Mostly Chemistry & Materials (USPTO Tech Center 1700), based on where its pending office actions are examined.
