Prosecution Insights
Last updated: May 29, 2026

Denka Company Limited

63 pending office actions • 32 art units • 56 examiners • 0 of 63 (0%) have an AI response strategy ready • 42 patents granted in the last 365 days

Portfolio Summary

63
Total Pending OAs
43
Non-Final OAs
17
Final Rejections
3
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 59 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

33
Overdue
1
Due this week
16
Due this month
5
Due in next 60 days
4
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. 59 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (33)Due ≤ 7 days (1)Due ≤ 30 days (16)Due ≤ 60 days (5)Due later (4)

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.

1
Hard (2%)
44
Medium (70%)
7
Easy (11%)
11
Unknown (17%)

Rejection Statute Mix

BucketCases
§101 only1 (2%)
§103 only36 (57%)
§102 only8 (13%)
§112 only7 (11%)
No statute on record11 (17%)

Industry Mix

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

63
Life Sciences
100% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% 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.

630 h
Manual time on pending OAs
126 h
Time saved (low, 20%)
220 h
Time saved (mid, 35%)
5.5 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
BOYLE, ROBERT C 3 69.4% -2.6%
DAVIS, SHENG HAN 2 65.9% +35.2%
WALKER, AJA ARYANNA 2 100.0% +0.0%
ROSWELL, JESSICA MARIE 2 52.1% +36.5%
NASSIRI MOTLAGH, ANITA 2 54.8% +25.7%
FRITCHMAN, REBECCA M 2 45.7% +36.1%
CHEN, VIVIAN 1 57.0% +29.2%
PILLAY, DEVINA 1 44.1% +26.7%
HANDVILLE, BRIAN 1 51.4% +27.5%
DILLON, DANIEL P 1 25.2% +29.5%

Quick Wins (1)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18271129 AGGREGATED BORON NITRIDE PARTICLES, BORON NITRIDE POWDER, HEAT-CONDUCTIVE RESIN COMPOSITION, AND HEAT-DISSIPATION SHEET WALKER, AJA ARYANNA 21d

Hard Cases (2)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18292552 MULTILAYER FILM DILLON, DANIEL P 51d 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

Interview Candidates (12)

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
18293470 FILM HAVING METHACRYLIC ACID ESTER-BASED RESIN AS MAIN COMPONENT HANDVILLE, BRIAN 118d overdue
16979118 METHOD FOR ASSISTING DETERMINATION OF RISK OF CARDIOVASCULAR DISEASE OR THE LIKE FRITCHMAN, REBECCA M 81d overdue
18292552 MULTILAYER FILM DILLON, DANIEL P 51d overdue
18269157 ULTRAVIOLET CURABLE RESIN COMPOSITION ROSWELL, JESSICA MARIE 45d overdue
18269153 ULTRAVIOLET CURABLE RESIN COMPOSITION ROSWELL, JESSICA MARIE 43d 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
18035435 PHOSPHOR POWDER, LIGHT-EMITTING DEVICE, IMAGE DISPLAY DEVICE, AND ILLUMINATION DEVICE NASSIRI MOTLAGH, ANITA 13d
18282319 SILICON DIOXIDE POWDER DAVIS, SHENG HAN 26d

Top Art Units

Art UnitApps
1764 6
1736 4
1767 4
1734 4
1783 3
1731 3
1766 3
1761 3
1763 3
1732 2

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18701376 MULTILAYER STRUCTURE INCLUDING INSULATING LAYER CHEN, VIVIAN 1787 §112 Non-Final OA 55d Pending Apr 15, 2024
18696481 THERMOELECTRIC CONVERSION MODULE AND MANUFACTURING METHOD THEREFOR PILLAY, DEVINA 1726 §102 Final Rejection 34d Pending Mar 28, 2024
18293470 FILM HAVING METHACRYLIC ACID ESTER-BASED RESIN AS MAIN COMPONENT HANDVILLE, BRIAN 1783 §103 Non-Final OA 118d overdue Pending Jan 30, 2024
18292552 MULTILAYER FILM DILLON, DANIEL P 1783 §103 Non-Final OA 51d overdue Pending Jan 26, 2024
18567872 HEXAGONAL BORON NITRIDE POWDER AND METHOD FOR PRODUCING SAME, AND COSMETICS AND METHOD FOR MANUFACTURING SAME WERTZ, ASHLEE ELIZABETH 1612 §103 Final Rejection 70d Pending Dec 07, 2023
18563799 INORGANIC OXIDE POWDER, METHOD FOR PRODUCING SAME, AND RESIN COMPOSITION GREEN, ANTHONY J 1731 Other Non-Final OA 8d Pending Nov 22, 2023
18288121 COMPOSITION SCHALLER, CYNTHIA L 1746 §112 Non-Final OA 162d overdue Pending Oct 24, 2023
18284796 SPHERICAL INORGANIC POWDER AND LIQUID ENCAPSULATION MATERIAL DAVIS, SHENG HAN 1732 §103 Non-Final OA 55d Pending Sep 28, 2023
18552557 SETTER FOR CERAMIC FIRING AUER, LAURA A 1783 §103 Non-Final OA 17d overdue Pending Sep 26, 2023
18283479 BORON NITRIDE POWDER AND RESIN COMPOSITION RAJA, JAANZEB CHAANGEZ 1736 §103 Non-Final OA 20d Pending Sep 22, 2023
18282440 METAL OXIDE POWDER, AND METHOD FOR PRODUCING SAME RUMP, RICHARD M 1759 §102 Non-Final OA 10d overdue Pending Sep 15, 2023
18282319 SILICON DIOXIDE POWDER DAVIS, SHENG HAN 1732 §103 Non-Final OA 26d Pending Sep 15, 2023
18282347 SILICA POWDER AND PRODUCTION METHOD THEREFOR NGUYEN, CAM N 1736 §103 Non-Final OA 2d overdue Pending Sep 15, 2023
18278683 BLOCK COPOLYMER COMPOSITION, HEAT-SHRINKABLE FILM, AND CONTAINER BHUSHAN, KUMAR R 1766 §102 Non-Final OA 23d Pending Aug 24, 2023
18276400 ACRYLIC BLOCK COPOLYMER, (METH)ACRYLIC BLOCK COPOLYMER LATEX, (METH)ACRYLIC BLOCK COPOLYMER LATEX COMPOSITION, AND SHAPED OBJECT BOYLE, ROBERT C 1764 §103 Non-Final OA 22d Pending Aug 08, 2023
18262507 CARBON BLACK, CARBON BLACK PRODUCTION METHOD, COMPOSITION FOR ELECTRODE, ELECTRODE, AND SECONDARY BATTERY HENDRICKSON, STUART L 1736 Final Rejection 56d Pending Jul 21, 2023
18262499 CARBON BLACK, CARBON BLACK PRODUCTION METHOD, COMPOSITION FOR ELECTRODE, ELECTRODE, AND SECONDARY BATTERY LEE, DORIS L 1764 §103 Non-Final OA 71d Pending Jul 21, 2023
18271129 AGGREGATED BORON NITRIDE PARTICLES, BORON NITRIDE POWDER, HEAT-CONDUCTIVE RESIN COMPOSITION, AND HEAT-DISSIPATION SHEET WALKER, AJA ARYANNA 1761 §103 Non-Final OA 21d Pending Jul 06, 2023
18269867 ELECTRONIC ARTICLE PACKAGING SHEET YAGER, JAMES C 1782 §103 Non-Final OA 142d overdue Pending Jun 27, 2023
18269153 ULTRAVIOLET CURABLE RESIN COMPOSITION ROSWELL, JESSICA MARIE 1767 Other Non-Final OA 43d overdue Pending Jun 22, 2023
18269157 ULTRAVIOLET CURABLE RESIN COMPOSITION ROSWELL, JESSICA MARIE 1767 Other Non-Final OA 45d overdue 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
18256692 CHLOROPRENE POLYMER COMPOSITION, DIP-MOLDED ARTICLE, AND METHOD FOR PRODUCING SAID COMPOSITION AND ARTICLE USELDING, JOHN E 1763 §103 Final Rejection 49d overdue Pending Jun 09, 2023
18266099 BORON NITRIDE POWDER, HEAT DISSIPATION SHEET, AND METHOD FOR PRODUCING HEAT DISSIPATION SHEET WALKER, AJA ARYANNA 1761 Other Non-Final OA 53d Pending Jun 08, 2023
18039684 PHOSPHOR PARTICLES AND LIGHT-EMITTING DEVICE HOBAN, MATTHEW E 1734 Other Non-Final OA 44d overdue Pending May 31, 2023
18254743 CARBON BLACK, SLURRY, AND LITHIUM-ION SECONDARY BATTERY OHARA, BRIAN R 1724 §103 Final Rejection Pending May 26, 2023
18254778 CARBON BLACK, SLURRY, AND LITHIUM-ION SECONDARY BATTERY LYNCH, VICTORIA HOM 1724 §103 Non-Final OA 42d overdue Pending May 26, 2023
18035593 PHOSPHOR POWDER, LIGHT-EMITTING DEVICE, IMAGE DISPLAY DEVICE, AND ILLUMINATION DEVICE NASSIRI MOTLAGH, ANITA 1734 Other Non-Final OA 30d Pending May 05, 2023
18035435 PHOSPHOR POWDER, LIGHT-EMITTING DEVICE, IMAGE DISPLAY DEVICE, AND ILLUMINATION DEVICE NASSIRI MOTLAGH, ANITA 1734 Other Non-Final OA 13d Pending May 04, 2023
18034624 CURABLE COMPOSITION, ARTICLE, CHECKING METHOD, AND ADHESIVE COMPOSITION ZIMMER, MARC S 1765 §112 Non-Final OA 12d Pending Apr 28, 2023
18033638 CHLOROPRENE-BASED RUBBER COMPOSITION, VULCANIZED OBJECT OBTAINED FROM SAID CHLOROPRENE-BASED RUBBER COMPOSITION, AND VULCANIZED MOLDED OBJECT OBTAINED FROM CHLOROPRENE-BASED RUBBER COMPOSITION BOYLE, ROBERT C 1764 §103 Non-Final OA 66d overdue Pending Apr 25, 2023
18249787 RUBBER COMPOSITION, VULCANIZED SUBSTANCE, AND VULCANIZED MOLDED OBJECT JOHNSTON, BRIEANN R 1766 §103 Non-Final OA 2d overdue Pending Apr 20, 2023
18249839 RUBBER FOAM COMPOSITION, FOAM AND MOLDED ARTICLE RIOJA, MELISSA A 1764 §103 Non-Final OA 93d overdue Pending Apr 20, 2023
18030714 METHOD FOR DETERMINING PRESENCE/ABSENCE OF NOROVIRUS INFECTION RISK LY, KRISTINA ELISABETH 1671 §103 Non-Final OA 100d overdue Pending Apr 06, 2023
18030210 THERMALLY CONDUCTIVE RESIN COMPOSITION AND ELECTRONIC DEVICE TOOMER, CEPHIA D 1771 §103 Non-Final OA 105d overdue Pending Apr 04, 2023
18026889 OXIDE POWDER AND METHOD FOR PRODUCING SAME, AND RESIN COMPOSITION AHVAZI, BIJAN 1763 §103 Final Rejection 29d overdue Pending Mar 17, 2023
18022701 FLUORIDE PHOSPHOR, COMPLEX, AND LIGHT-EMITTING DEVICE KOSLOW, CAROL M 1734 §112 Non-Final OA 147d overdue Pending Feb 22, 2023
18021662 TEST KIT WITH IMPROVED SPECIFICITY BY SUPPRESSING FALSE POSITIVES EVANS, CHRISTOPHER RYAN 1677 §112 Final Rejection 75d Pending Feb 16, 2023
18041934 BORON NITRIDE PARTICLES, RESIN COMPOSITION, AND METHOD FOR PRODUCING RESIN COMPOSITION ASDJODI, MOHAMMADREZA 1767 §103 Non-Final OA 15d Pending Feb 16, 2023
18041860 BORON NITRIDE PARTICLES, RESIN COMPOSITION, AND METHOD FOR PRODUCING RESIN COMPOSITION PATEL, RONAK C 1788 §103 Final Rejection 13d Pending Feb 16, 2023
18040588 BORON NITRIDE PARTICLE, BORON NITRIDE POWDER, RESIN COMPOSITION, AND RESIN COMPOSITION PRODUCTION METHOD ZIMMER, ANTHONY J 1736 §102 Non-Final OA 42d overdue Pending Feb 03, 2023
18018209 TEST REAGENT WITH AMELIORATED SIGNAL REDUCTION GABEL, GAILENE 1678 §102 Non-Final OA 16d overdue Pending Jan 26, 2023
18017963 HEAT RESISTANCE RESIN COMPOSITION AND INJECTION MOLDED BODY THEREOF DESTEFANO, AUDRA JEAN 1766 §103 Non-Final OA 100d overdue Pending Jan 25, 2023
18017474 COMPOSITION, POSITIVE ELECTRODE COMPOSITION, POSITIVE ELECTRODE SLURRY, POSITIVE ELECTRODE, AND SECONDARY BATTERY ALBAN, FELICITY BERNARD 1728 Other Non-Final OA 112d overdue Pending Jan 23, 2023
18008598 HEAT DISSIPATION SHEET GAITONDE, MEGHA MEHTA 1781 §103 Non-Final OA Pending Dec 06, 2022
18007690 KIT AND METHOD EIX, EMILY FAY 1653 §102 Final Rejection 8d Pending Dec 01, 2022
17920631 SPHERICAL SILICA POWDER PIRO, NICHOLAS ANTHONY 1738 §103 Non-Final OA 5d Pending Oct 21, 2022
17919096 ADENOVIRUS IMMUNOASSAY METHOD AND IMMUNOASSAY INSTRUMENT BUCKMASTER, MARLENE VRENI 1672 §112 Non-Final OA 9d overdue Pending Oct 14, 2022
17919065 ADENOVIRUS IMMUNOASSAY METHOD AND IMMUNOASSAY INSTRUMENT SIFFORD, JEFFREY MARK 1671 §112 Final Rejection 71d overdue Pending Oct 14, 2022
17996251 CEMENT ADMIXTURE AND CEMENT COMPOSITION KUVAYSKAYA, ANASTASIA ALEKSEYEVNA 1731 §103 Non-Final OA 32d overdue Pending Oct 14, 2022
17914282 REAGENT COMPRISING ANTIBODY FROM WHICH PART OF Fc REGION IS DELETED COOK, LISA V 1642 §103 Non-Final OA Pending Sep 23, 2022
17906772 BORON NITRIDE SINTERED BODY, COMPLEX, METHOD FOR MANUFACTURING THESE, AND HEAT DISSIPATION MEMBER MILLER, CAMERON KENNETH 1731 §103 Non-Final OA 8d Pending Sep 20, 2022
17908817 BORON NITRIDE SINTERED BODY, COMPOSITE BODY, METHOD FOR PRODUCING SAID BORON NITRIDE SINTERED BODY, METHOD FOR PRODUCING SAID COMPOSITE BODY, AND HEAT DISSIPATION MEMBER CAI, JIAJIA JANIE 1761 §103 Final Rejection Pending Sep 01, 2022
17905040 METHOD FOR PRODUCING INACTIVATED INFLUENZA VACCINE AND VACCINE COMPOSITION THEREOF WANG, RUIXUE 1672 §103 Final Rejection 66d overdue Pending Aug 25, 2022
17788782 DIP-MOLDED ARTICLE CAI, WENWEN 1763 §103 Non-Final OA 27d Pending Jun 24, 2022
17781418 ACRYLIC RUBBER, ACRYLIC RUBBER COMPOSITION AND CROSSLINKED PRODUCT OF SAME SASTRI, SATYA B 1762 §103 Non-Final OA 73d overdue Pending Jun 01, 2022
17770475 BORON NITRIDE POWDER AND PRODUCTION METHOD THEREFOR, BORON CARBONITRIDE POWDER, COMPOSITE MATERIAL, AND HEAT DISSIPATING MEMBER STANLEY, JANE L 1767 §102 Non-Final OA 17d overdue Pending Apr 20, 2022
17610049 MALEIMIDE COPOLYMER, MANUFACTURING METHOD THEREFOR, AND RESIN COMPOSITION USING SAME BOYLE, ROBERT C 1764 §103 Non-Final OA 98d overdue Pending Nov 09, 2021
17426561 IMMUNOCHROMATOGRAPHIC TEST STRIP FOR EXTRACTING AND MEASURING SUGAR CHAIN ANTIGENS, CAPABLE OF CONTROLLING THE DEVELOPMENT OF SPECIMEN BY IMPREGNATING HYDROPHOBIC MATERIAL WITH NITRITE OR SOLID ACID REAGENT HINES, JANA A 1645 Other Final Rejection 16d Pending Jul 28, 2021
17426563 IMMUNOCHROMATOGRAPHIC TEST KIT FOR EXTRACTING AND MEASURING SUGAR CHAIN ANTIGENS, CAPABLE OF CONTROLLING ANALYTE DEVELOPMENT LUSI, ELLIS FOLLETT 1677 Other Final Rejection 23d overdue Pending Jul 28, 2021
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 SHAHNAN SHAH, KHATOL S 1645 §102 Final Rejection 12d Pending Jul 28, 2021
16979118 METHOD FOR ASSISTING DETERMINATION OF RISK OF CARDIOVASCULAR DISEASE OR THE LIKE FRITCHMAN, REBECCA M 1758 §103 Final Rejection 81d overdue Pending Sep 08, 2020
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 1758 §101 Non-Final OA 10d overdue Pending Sep 08, 2020

Managing Denka Company Limited's Patent Portfolio?

IP Author helps IP teams respond to office actions faster with AI-generated responses, examiner analytics, and prosecution intelligence.

Start Free Trial

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month